HALCON/C Reference Manual Operators

Index of all Operators

abs_diff_image Calculate the absolute difference of two images. 
abs_funct_1d Absolute value of the y values. 
abs_image Calculate the absolute value (modulus) of an image. 
abs_invar_fourier_coeff Normalizing of the Fourier coefficients with respect to the displacment of the starting point.  
abs_matrix Compute the absolute values of the elements of a matrix. 
abs_matrix_mod Compute the absolute values of the elements of a matrix. 
access_channel Access a channel of a multichannel image. 
adapt_template Adapting a template to the size of an image. 
add_channels Add gray values to regions. 
add_image Add two images. 
add_matrix Add two matrices. 
add_matrix_mod Add two matrices. 
add_noise_distribution Add noise to an image. 
add_noise_white Add noise to an image. 
add_noise_white_contour_xld Add noise to XLD contours. 
add_sample_class_gmm Add a training sample to the training data of a Gaussian Mixture Model. 
add_sample_class_mlp Add a training sample to the training data of a multilayer perceptron. 
add_sample_class_svm Add a training sample to the training data of a support vector machine. 
add_samples_image_class_gmm Add training samples from an image to the training data of a Gaussian Mixture Model. 
add_samples_image_class_mlp Add training samples from an image to the training data of a multilayer perceptron. 
add_samples_image_class_svm Add training samples from an image to the training data of a support vector machine. 
adjust_mosaic_images Automatic color correction of panorama images. 
affine_trans_contour_xld Apply an arbitrary affine 2D transformation to XLD contours. 
affine_trans_image Apply an arbitrary affine 2D transformation to images. 
affine_trans_image_size Apply an arbitrary affine 2D transformation to an image and specify the output image size. 
affine_trans_object_model_3d Apply an arbitrary affine 3D transformation to a 3D object model. 
affine_trans_pixel Apply an arbitrary affine 2D transformation to pixel coordinates. 
affine_trans_point_2d Apply an arbitrary affine 2D transformation to points. 
affine_trans_point_3d Apply an arbitrary affine 3D transformation to points. 
affine_trans_polygon_xld Apply an arbitrary affine transformation to XLD polygons. 
affine_trans_region Apply an arbitrary affine 2D transformation to regions. 
angle_ll Calculate the angle between two lines. 
angle_lx Calculate the angle between one line and the horizontal axis. 
anisotrope_diff Smooth an image by edge-preserving anisotropic diffusion. 
anisotropic_diffusion Perform an anisotropic diffusion of an image. 
append_channel Append additional matrices (channels) to the image. 
append_ocr_trainf Add characters to a training file. 
apply_color_trans_lut Color space transformation using pre-generated look-up-table. 
apply_sheet_of_light_calibration Apply the calibration transformations to the input disparity image. 
approx_chain Approximate a contour by arcs and lines. 
approx_chain_simple Approximate a contour by arcs and lines. 
area_center Area and center of regions. 
area_center_gray Compute the area and center of gravity of a region in a gray value image. 
area_center_points_xld Area and center of gravity (centroid) of contours and polygons treated as point clouds. 
area_center_xld Area and center of gravity (centroid) of contours and polygons. 
area_holes Compute the area of holes of regions. 
auto_threshold Segment an image using thresholds determined from its histogram. 
axis_angle_to_quat Create a rotation quaternion. 
background_seg Determine the connected components of the background of given regions. 
bandpass_image Edge extraction using bandpass filters. 
best_match Searching the best matching of a template and an image. 
best_match_mg Searching the best grayvalue matches in a pyramid. 
best_match_pre_mg Searching the best grayvalue matches in a pre generated pyramid. 
best_match_rot Searching the best matching of a template and an image with rotation. 
best_match_rot_mg Searching the best matching of a template and a pyramid with rotation. 
bin_threshold Segment an image using an automatically determined threshold. 
binocular_calibration Determine all camera parameters of a binocular stereo system. 
binocular_disparity Compute the disparities of a rectified image pair using correlation techniques. 
binocular_disparity_mg Compute the disparities of a rectified image pair using multigrid methods. 
binocular_distance Compute the distance values for a rectified stereo image pair using correlation techniques. 
binocular_distance_mg Compute the distance values for a rectified stereo image pair using multigrid methods. 
binomial_filter Smooth an image using the binomial filter. 
bit_and Bit-by-bit AND of all pixels of the input images. 
bit_lshift Left shift of all pixels of the image. 
bit_mask Logical “AND” of each pixel using a bit mask. 
bit_not Complement all bits of the pixels. 
bit_or Bit-by-bit OR of all pixels of the input images. 
bit_rshift Right shift of all pixels of the image. 
bit_slice Extract a bit from the pixels. 
bit_xor Bit-by-bit XOR of all pixels of the input images. 
bottom_hat Compute the bottom hat of regions. 
boundary Reduce a region to its boundary. 
bundle_adjust_mosaic Perform a bundle adjustment of an image mosaic. 
caltab_points Read the mark center points from the calibration plate description file. 
cam_mat_to_cam_par Compute the interior camera parameters from a camera matrix. 
cam_par_to_cam_mat Compute a camera matrix from interior camera parameters. 
camera_calibration Determine all camera parameters by a simultanous minimization process. 
cfa_to_rgb Convert a single-channel color filter array image into an RGB image. 
change_domain Change definition domain of an image. 
change_format Change image size. 
change_radial_distortion_cam_par Determine new camera parameters in accordance to the specified radial distortion. 
change_radial_distortion_contours_xld Change the radial distortion of contours. 
change_radial_distortion_image Change the radial distortion of an image. 
change_radial_distortion_points Changes the radial distortion of pixel coordinates. 
channels_to_image Convert one-channel images into a multichannel image 
char_threshold Perform a threshold segmentation for extracting characters. 
check_difference Compare two images pixel by pixel. 
check_par_hw_potential Check hardware regarding its potential for parallel processing. 
circularity Shape factor for the circularity (similarity to a circle) of a region. 
circularity_xld Shape factor for the circularity (similarity to a circle) of contours or polygons. 
class_2dim_sup Segment an image using two-dimensional pixel classification. 
class_2dim_unsup Segment two images by clustering. 
class_ndim_box Classify pixels using hyper-cuboids. 
class_ndim_norm Classify pixels using hyper-spheres or hyper-cubes. 
classify_class_gmm Calculate the class of a feature vector by a Gaussian Mixture Model. 
classify_class_mlp Calculate the class of a feature vector by a multilayer perceptron. 
classify_class_svm Classify a feature vector by a support vector machine. 
classify_image_class_gmm Classify an image with a Gaussian Mixture Model. 
classify_image_class_mlp Classify an image with a multilayer perceptron. 
classify_image_class_svm Classify an image with a support vector machine. 
clear_all_bar_code_models Delete all bar code models and free the allocated memory 
clear_all_class_gmm Clear all Gaussian Mixture Models. 
clear_all_class_mlp Clear all multilayer perceptrons. 
clear_all_class_svm Clear all support vector machines. 
clear_all_color_trans_luts Delete all look-up-tables of the color space transformation. 
clear_all_component_models Free the memory of all component models. 
clear_all_data_code_2d_models Delete all 2D data code models and free the allocated memory 
clear_all_deformable_models Free the memory of all deformable models. 
clear_all_descriptor_models Free the memory of all descriptor models in RAM. 
clear_all_lexica Clear all lexica. 
clear_all_matrices Clear all matrices from memory. 
clear_all_ncc_models Free the memory of all NCC models. 
clear_all_object_model_3d Free the memory of all 3D object models. 
clear_all_ocr_class_mlp Clear all OCR classifiers. 
clear_all_ocr_class_svm Clear all SVM based OCR classifiers. 
clear_all_shape_model_3d Free the memory of all 3D shape models. 
clear_all_shape_models Free the memory of all shape models. 
clear_all_sheet_of_light_models Delete all sheet-of-light models and free the allocated memory. 
clear_all_templates Deallocation of the memory of all templates. 
clear_all_training_components Free the memory of all component training results. 
clear_all_variation_models Free the memory of all variation models. 
clear_bar_code_model Delete a bar code model and free the allocated memory 
clear_class_gmm Clear a Gaussian Mixture Model. 
clear_class_mlp Clear a multilayer perceptron. 
clear_class_svm Clear a support vector machine. 
clear_color_trans_lut Release the look-up-table needed for color space transformation. 
clear_component_model Free the memory of a component model. 
clear_data_code_2d_model Delete a 2D data code model and free the allocated memory 
clear_deformable_model Free the memory of a deformable model. 
clear_descriptor_model Free the memory of a descriptor model. 
clear_lexicon Clear a lexicon. 
clear_matrix Free the memory of a matrix. 
clear_ncc_model Free the memory of an NCC model. 
clear_obj Delete an iconic object from the database. 
clear_object_model_3d Free the memory of a 3D object model. 
clear_ocr_class_mlp Clear an OCR classifier. 
clear_ocr_class_svm Clear an SVM-based OCR classifier. 
clear_rectangle Delete a rectangle on the output window. 
clear_samples_class_gmm Clear the training data of a Gaussian Mixture Model. 
clear_samples_class_mlp Clear the training data of a multilayer perceptron. 
clear_samples_class_svm Clear the training data of a support vector machine. 
clear_sampset Free memory of a data set. 
clear_serial Clear the buffer of a serial connection. 
clear_shape_model Free the memory of a shape model. 
clear_shape_model_3d Free the memory of a 3D shape model. 
clear_sheet_of_light_model Delete a sheet-of-light model and free the allocated memory. 
clear_template Deallocation of the memory of a template. 
clear_train_data_variation_model Free the memory of the training data of a variation model. 
clear_training_components Free the memory of a component training result. 
clear_variation_model Free the memory of a variation model. 
clear_window Delete an output window. 
clip_contours_xld Clip an XLD contour. 
clip_end_points_contours_xld Clip the end points of an XLD contour. 
clip_region Clip a region to a rectangle. 
clip_region_rel Clip a region relative to its size. 
close_all_bg_esti Delete all background estimation data sets. 
close_all_class_box Destroy all classifiers. 
close_all_files Close all open files. 
close_all_framegrabbers Close all image acquisition devices. 
close_all_measures Delete all measure objects. 
close_all_ocrs Destroy all OCR classifiers. 
close_all_ocvs Clear all OCV tools. 
close_all_serials Close all serial devices. 
close_bg_esti Delete the background estimation data set. 
close_class_box Destroy the classifier. 
close_contours_xld Close an XLD contour. 
close_edges Close edge gaps using the edge amplitude image. 
close_edges_length Close edge gaps using the edge amplitude image. 
close_file Closing a text file. 
close_framegrabber Close specified image acquisition device. 
close_measure Delete a measure object. 
close_ocr Deallocation of the memory of an OCR classifier. 
close_ocv Clear an OCV tool. 
close_serial Close a serial device. 
close_socket Close a socket. 
close_window Close an output window. 
closing Close a region. 
closing_circle Close a region with a circular structuring element. 
closing_golay Close a region with an element from the Golay alphabet. 
closing_rectangle1 Close a region with a rectangular structuring element. 
cluster_model_components Adopt new parameters that are used to create the model components into the training result. 
coherence_enhancing_diff Perform a coherence enhancing diffusion of an image. 
combine_roads_xld Combine road hypotheses from two resolution levels. 
compactness Shape factor for the compactness of a region. 
compactness_xld Shape factor for the compactness of contours or polygons. 
compare_ext_variation_model Compare an image to a variation model. 
compare_variation_model Compare an image to a variation model. 
complement Return the complement of a region. 
complex_to_real Convert a complex image into two real images. 
compose2 Convert two images into a two-channel image. 
compose3 Convert 3 images into a three-channel image. 
compose4 Convert 4 images into a four-channel image. 
compose5 Convert 5 images into a five-channel image. 
compose6 Convert 6 images into a six-channel image. 
compose7 Convert 7 images into a seven-channel image. 
compose_funct_1d Compose two functions. 
concat_obj Concatenate two iconic object tuples. 
concat_ocr_trainf Concat training files. 
connect_and_holes Number of connection components and holes 
connect_grid_points Establish connections between the grid points of the rectification grid. 
connection Compute connected components of a region. 
contlength Contour length of a region. 
contour_point_num_xld Return the number of points in an XLD contour. 
contour_to_world_plane_xld Transform an XLD contour into the plane z=0 of a world coordinate system. 
convert_image_type Convert the type of an image. 
convert_point_3d_cart_to_spher Convert Cartesian coordinates of a 3D point to spherical coordinates. 
convert_point_3d_spher_to_cart Convert spherical coordinates of a 3D point to Cartesian coordinates. 
convert_pose_type Change the representation type of a 3D pose. 
convexity Shape factor for the convexity of a region. 
convexity_xld Shape factor for the convexity of contours or polygons. 
convol_fft Convolve an image with a filter in the frequency domain. 
convol_gabor Convolve an image with a Gabor filter in the frequency domain. 
convol_image Convolve an image with an arbitrary filter mask. 
cooc_feature_image Calculate a co-occurrence matrix and derive gray value features thereof. 
cooc_feature_matrix Calculate gray value features from a co-occurrence matrix. 
copy_image Copy an image and allocate new memory for it. 
copy_matrix Copy a matrix. 
copy_obj Copy an iconic object in the database. 
copy_rectangle Copy all pixels within rectangles between output windows. 
corner_response Searching corners in images. 
correlation_fft Compute the correlation of two images in the frequency domain. 
count_channels Count channels of image. 
count_obj Number of objects in a tuple. 
count_relation Number of entries in the database. 
count_seconds Passed Time. 
create_aniso_shape_model Prepare a shape model for anisotropic scale invariant matching. 
create_aniso_shape_model_xld Prepare a shape model for anisotropic scale invariant matching from XLD contours. 
create_bar_code_model Create a model of a bar code reader. 
create_bg_esti Generate and initialize a data set for the background estimation. 
create_calib_descriptor_model Create a descriptor model for calibrated perspective matching. 
create_caltab Generate a calibration plate description file and a corresponding PostScript file. (obsolete) 
create_cam_pose_look_at_point Create a 3D camera pose from camera center and viewing direction. 
create_class_box Create a new classifier. 
create_class_gmm Create a Gaussian Mixture Model for classification 
create_class_mlp Create a multilayer perceptron for classification or regression. 
create_class_svm Create a support vector machine for pattern classification. 
create_color_trans_lut Creates the look-up-table for transformation of an image from the RGB color space to an arbitrary color space. 
create_component_model Prepare a component model for matching based on explicitly specified components and relations. 
create_data_code_2d_model Create a model of a 2D data code class. 
create_funct_1d_array Create a function from a sequence of y-values. 
create_funct_1d_pairs Create a function from a set of (x,y) pairs. 
create_lexicon Create a lexicon from a tuple of words. 
create_matrix Create a matrix. 
create_ncc_model Prepare an NCC model for matching. 
create_ocr_class_box Create a new OCR-classifier. 
create_ocr_class_mlp Create an OCR classifier using a multilayer perceptron. 
create_ocr_class_svm Create an OCR classifier using a support vector machine. 
create_ocv_proj Create a new OCV tool based on gray value projections. 
create_planar_calib_deformable_model Create a deformable model for calibrated perspective matching. 
create_planar_uncalib_deformable_model Creates a deformable model for uncalibrated, perspective matching. 
create_pose Create a 3D pose. 
create_rectification_grid Generate a PostScript file, which describes the rectification grid. 
create_scaled_shape_model Prepare a shape model for scale invariant matching. 
create_scaled_shape_model_xld Prepare a shape model for scale invariant matching from XLD contours. 
create_shape_model Prepare a shape model for matching. 
create_shape_model_3d Prepare a 3D object model for matching. 
create_shape_model_xld Prepare a shape model for matching from XLD contours. 
create_sheet_of_light_model Create a model to perform 3D-measurements using the sheet-of-light technique. 
create_template Preparing a pattern for template matching. 
create_template_rot Preparing a pattern for template matching with rotation. 
create_trained_component_model Prepare a component model for matching based on trained components. 
create_uncalib_descriptor_model Prepare a descriptor model for interest point matching. 
create_variation_model Create a variation model for image comparison. 
critical_points_sub_pix Subpixel precise detection of critical points in an image. 
crop_contours_xld Crop an XLD contour. 
crop_domain Cut out of defined gray values. 
crop_domain_rel Cut out an image area relative to the domain. 
crop_part Cut out a rectangular image area. 
crop_rectangle1 Cut out a rectangular image area. 
decode_1d_bar_code Decoding of a sequence of elements of a bar code. 
decode_2d_bar_code Decode 2D bar code data. 
decompose2 Convert a two-channel image into two images. 
decompose3 Convert a three-channel image into three images. 
decompose4 Convert a four-channel image into four images. 
decompose5 Convert a five-channel image into five images. 
decompose6 Convert a six-channel image into six images. 
decompose7 Convert a seven-channel image into seven images. 
decompose_matrix Decompose a matrix. 
delete_file Delete a file. 
depth_from_focus Extract depth using mutiple focus levels. 
derivate_funct_1d Calculate the derivatives of a function. 
derivate_gauss Convolve an image with derivatives of the Gaussian. 
descript_class_box Description of the classifier. 
detect_edge_segments Detect straight edge segments. 
determinant_matrix Compute the determinant of a matrix. 
determine_deformable_model_params Determine the parameters of a deformable model. 
determine_shape_model_params Determine the parameters of a shape model. 
deviation_image Calculate the standard deviation of gray values within rectangular windows. 
diameter_region Maximal distance between two boundary points of a region. 
diameter_xld Maximum distance between two contour or polygon points. 
diff_of_gauss Approximate the LoG operator (Laplace of Gaussian). 
difference Calculate the difference of two regions. 
difference_closed_contours_xld Difference of closed contours. 
difference_closed_polygons_xld Difference of closed polygons. 
dilation1 Dilate a region. 
dilation2 Dilate a region (using a reference point). 
dilation_circle Dilate a region with a circular structuring element. 
dilation_golay Dilate a region with an element from the Golay alphabet. 
dilation_rectangle1 Dilate a region with a rectangular structuring element. 
dilation_seq Dilate a region sequentially. 
discrete_1d_bar_code Generate a discrete bar code from the elements widths. 
disp_arc Displays circular arcs in a window. 
disp_arrow Displays arrows in a window. 
disp_caltab Project and visualize the 3D model of the calibration plate in the image. 
disp_channel Displays images with several channels. 
disp_circle Displays circles in a window. 
disp_color Displays a color (RGB) image 
disp_cross Displays crosses in a window. 
disp_distribution Displays a noise distribution. 
disp_ellipse Displays ellipses. 
disp_image Displays gray value images. 
disp_line Draws lines in a window. 
disp_lut Graphical view of the look-up-table (lut). 
disp_obj Displays image objects (image, region, XLD). 
disp_polygon Displays a polyline. 
disp_rectangle1 Display of rectangles aligned to the coordinate axes. 
disp_rectangle2 Displays arbitrarily oriented rectangles. 
disp_region Displays regions in a window. 
disp_xld Display an XLD object. 
disparity_image_to_xyz Transform a disparity image into 3D points in a rectified stereo system. 
disparity_to_distance Transform a disparity value into a distance value in a rectified binocular stereo system. 
disparity_to_point_3d Transform an image point and its disparity into a 3D point in a rectified stereo system. 
dist_ellipse_contour_points_xld Compute the distances of all contour points to an ellipse. 
dist_ellipse_contour_xld Distance of contours to an ellipse. 
dist_rectangle2_contour_points_xld Compute the distances of all contour points to a rectangle. 
distance_cc Calculate the distance between two contours. 
distance_cc_min Calculate the minimum distance between two contours. 
distance_funct_1d Compute the distance of two functions. 
distance_lc Calculate the distance between a line and one contour. 
distance_lr Calculate the distance between a line and a region. 
distance_pc Calculate the distance between a point and one contour. 
distance_pl Calculate the distance between one point and one line. 
distance_pp Calculate the distance between two points. 
distance_pr Calculate the distance between a point and a region. 
distance_ps Calculate the distances between a point and a line segment. 
distance_rr_min Minimum distance between the contour pixels of two regions each. 
distance_rr_min_dil Minimum distance between two regions with the help of dilatation. 
distance_sc Calculate the distance between a line segment and one contour. 
distance_sl Calculate the distances between a line segment and a line. 
distance_sr Calculate the distance between a line segment and one region. 
distance_ss Calculate the distances between two line segments. 
distance_to_disparity Transfrom a distance value into a disparity in a rectified stereo system. 
distance_transform Compute the distance transformation of a region. 
div_element_matrix Divide matrices element-by-element. 
div_element_matrix_mod Divide matrices element-by-element. 
div_image Divide two images. 
do_ocr_multi Classify characters. 
do_ocr_multi_class_mlp Classify multiple characters with an OCR classifier. 
do_ocr_multi_class_svm Classify multiple characters with an SVM-based OCR classifier. 
do_ocr_single Classify one character. 
do_ocr_single_class_mlp Classify a single character with an OCR classifier. 
do_ocr_single_class_svm Classify a single character with an SVM-based OCR classifier. 
do_ocr_word_mlp Classify a related group of characters with an OCR classifier. 
do_ocr_word_svm Classify a related group of characters with an OCR classifier. 
do_ocv_simple Verification of a pattern using an OCV tool. 
dots_image Enhance circular dots in an image. 
drag_region1 Interactive moving of a region. 
drag_region2 Interactive movement of a region with fixpoint specification. 
drag_region3 Interactive movement of a region with restriction of positions. 
draw_circle Interactive drawing of a circle. 
draw_circle_mod Interactive drawing of a circle. 
draw_ellipse Interactive drawing of an ellipse. 
draw_ellipse_mod Interactive drawing of an ellipse. 
draw_line Draw a line. 
draw_line_mod Draw a line. 
draw_lut Manipulate look-up-table (lut) interactively. 
draw_nurbs Interactive drawing of a NURBS curve. 
draw_nurbs_interp Interactive drawing of a NURBS curve using interpolation. 
draw_nurbs_interp_mod Interactive modification of a NURBS curve using interpolation. 
draw_nurbs_mod Interactive modification of a NURBS curve. 
draw_point Draw a point. 
draw_point_mod Draw a point. 
draw_polygon Interactive drawing of a polygon row. 
draw_rectangle1 Draw a rectangle parallel to the coordinate axis. 
draw_rectangle1_mod Draw a rectangle parallel to the coordinate axis. 
draw_rectangle2 Interactive drawing of any orientated rectangle. 
draw_rectangle2_mod Interactive drawing of any orientated rectangle. 
draw_region Interactive drawing of a closed region. 
draw_xld Interactive drawing of a contour. 
draw_xld_mod Interactive modification of a contour. 
dual_rank Opening, Median and Closing with circle or rectangle mask. 
dual_threshold Threshold operator for signed images. 
dump_window Write the window content to a file. 
dump_window_image Write the window content in an image object. 
dyn_threshold Segment an image using a local threshold. 
eccentricity Shape features derived from the ellipse parameters. 
eccentricity_points_xld Anisometry of contours or polygons treated as point clouds. 
eccentricity_xld Shape features derived from the ellipse parameters of contours or polygons. 
edges_color Extract color edges using Canny, Deriche, or Shen filters. 
edges_color_sub_pix Extract subpixel precise color edges using Deriche, Shen, or Canny filters. 
edges_image Extract edges using Deriche, Lanser, Shen, or Canny filters. 
edges_sub_pix Extract sub-pixel precise edges using Deriche, Lanser, Shen, or Canny filters. 
eigenvalues_general_matrix Compute the eigenvalues and optionally the eigenvectors of a general matrix. 
eigenvalues_symmetric_matrix Compute the eigenvalues and optinally eigenvectors of a symmetric matrix. 
eliminate_min_max Smooth an image in the spatial domain to suppress noise. 
eliminate_runs Eliminate runs of a given length. 
eliminate_sp Replace values outside of thresholds with average value. 
elliptic_axis Parameters of the equivalent ellipse. 
elliptic_axis_gray Compute the orientation and major axes of a region in a gray value image. 
elliptic_axis_points_xld Parameters of the equivalent ellipse of contours or polygons treated as point clouds. 
elliptic_axis_xld Parameters of the equivalent ellipse of contours or polygons. 
emphasize Enhance contrast of the image. 
energy_gabor Calculate the energy of a two-channel image. 
enquire_class_box Classify a tuple of attributes. 
enquire_reject_class_box Classify a tuple of attributes with rejection class. 
entropy_gray Determine the entropy and anisotropy of images. 
entropy_image Calculate the entropy of gray values within a rectangular window. 
equ_histo_image Histogram linearisation of images 
erosion1 Erode a region. 
erosion2 Erode a region (using a reference point). 
erosion_circle Erode a region with a circular structuring element. 
erosion_golay Erode a region with an element from the Golay alphabet. 
erosion_rectangle1 Erode a region with a rectangular structuring element. 
erosion_seq Erode a region sequentially. 
essential_to_fundamental_matrix Compute the fundamental matrix from an essential matrix. 
estimate_al_am Estimate the albedo of a surface and the amount of ambient light. 
estimate_noise Estimate the image noise from a single image. 
estimate_sl_al_lr Estimate the slant of a light source and the albedo of a surface. 
estimate_sl_al_zc Estimate the slant of a light source and the albedo of a surface. 
estimate_tilt_lr Estimate the tilt of a light source. 
estimate_tilt_zc Estimate the tilt of a light source. 
euler_number Calculate the Euler number. 
evaluate_class_gmm Evaluate a feature vector by a Gaussian Mixture Model. 
evaluate_class_mlp Calculate the evaluation of a feature vector by a multilayer perceptron. 
exhaustive_match Matching of a template and an image. 
exhaustive_match_mg Matching a template and an image in a resolution pyramid. 
expand_domain_gray Expand the domain of an image and set the gray values in the expanded domain. 
expand_gray Fill gaps between regions (depending on gray value or color) or split overlapping regions. 
expand_gray_ref Fill gaps between regions (depending on gray value or color) or split overlapping regions. 
expand_line Expand a region starting at a given line. 
expand_region Fill gaps between regions or split overlapping regions. 
fast_match Searching all good matches of a template and an image. 
fast_match_mg Searching all good grayvalue matches in a pyramid. 
fast_threshold Fast thresholding of images using global thresholds. 
fft_generic Compute the fast Fourier transform of an image. 
fft_image Compute the fast Fourier transform of an image. 
fft_image_inv Compute the inverse fast Fourier transform of an image. 
file_exists Check whether file exists. 
fill_interlace Interpolate 2 video half images. 
fill_up Fill up holes in regions. 
fill_up_shape Fill up holes in regions having given shape features. 
filter_kalman Estimate the current state of a system with the help of the Kalman filtering. 
find_1d_bar_code Look for one bar code in an image. 
find_1d_bar_code_region Look for multiple bar code regions in an image. 
find_1d_bar_code_scanline Look for one bar code in an image. 
find_2d_bar_code Find regions that might contain a 2D bar code. 
find_aniso_shape_model Find the best matches of an anisotropic scale invariant shape model in an image. 
find_aniso_shape_models Find the best matches of multiple anisotropic scale invariant shape models. 
find_bar_code Detect and read bar code symbols in an image. 
find_calib_descriptor_model Find the best matches of a calibrated descriptor model in an image and return their 3D pose. 
find_caltab Segment the standard calibration plate region in the image. 
find_component_model Find the best matches of a component model in an image. 
find_data_code_2d Detect and read 2D data code symbols in an image or train the 2D data code model. 
find_marks_and_pose Extract the 2D calibration marks from the image and calculate initial values for the exterior camera parameters. 
find_ncc_model Find the best matches of an NCC model in an image. 
find_neighbors Search direct neighbors. 
find_planar_calib_deformable_model Find the best matches of a calibrated deformable model in an image and return their 3D pose. 
find_planar_uncalib_deformable_model Find the best matches of a planar projective invariant deformable model in an image. 
find_rectification_grid Segment the rectification grid region in the image. 
find_scaled_shape_model Find the best matches of a scale invariant shape model in an image. 
find_scaled_shape_models Find the best matches of multiple scale invariant shape models. 
find_shape_model Find the best matches of a shape model in an image. 
find_shape_model_3d Find the best matches of a 3D shape model in an image. 
find_shape_models Find the best matches of multiple shape models. 
find_uncalib_descriptor_model Find the best matches of a descriptor model in an image. 
fit_circle_contour_xld Approximation of XLD contours by circles. 
fit_ellipse_contour_xld Approximation of XLD contours by ellipses or elliptic arcs. 
fit_line_contour_xld Approximation of XLD contours by line segments. 
fit_rectangle2_contour_xld Fit rectangles to XLD contours. 
fit_surface_first_order Calculate gray value moments and approximation by a first order surface (plane). 
fit_surface_second_order Calculate gray value moments and approximation by a second order surface. 
fitting Perform a closing after an opening with multiple structuring elements. 
fnew_line Create a line feed. 
fourier_1dim Calculate the Fourier coefficients of a parameterized contour. 
fourier_1dim_inv One dimensional Fourier synthesis (inverse Fourier transform). 
fread_char Read a character from a text file. 
fread_line Read a line from a text file. 
fread_string Read strings from a text file. 
frei_amp Detect edges (amplitude) using the Frei-Chen operator. 
frei_dir Detect edges (amplitude and direction) using the Frei-Chen operator. 
full_domain Expand the domain of an image to maximum. 
funct_1d_to_pairs Access to the x/y values of a function. 
fuzzy_entropy Determine the fuzzy entropy of regions. 
fuzzy_measure_pairing Extract straight edge pairs perpendicular to a rectangle or an annular arc. 
fuzzy_measure_pairs Extract straight edge pairs perpendicular to a rectangle or an annular arc. 
fuzzy_measure_pos Extract straight edges perpendicular to a rectangle or an annular arc. 
fuzzy_perimeter Calculate the fuzzy perimeter of a region. 
fwrite_string Write values in a text file. 
gauss_distribution Generate a Gaussian noise distribution. 
gauss_image Smooth using discrete gauss functions. 
gen_1d_bar_code_descr Generate a description of a 1D bar code. 
gen_1d_bar_code_descr_gen Generate a generic description of a 1D bar code. 
gen_2d_bar_code_descr Generate a generic description of a 2D bar code class. 
gen_arbitrary_distortion_map Generate a projection map that describes the mapping between an arbitrarily distorted image and the rectified image. 
gen_bandfilter Generate an ideal band filter. 
gen_bandpass Generate an ideal bandpass filter. 
gen_binocular_proj_rectification Compute the projective rectification of weakly calibrated binocular stereo images. 
gen_binocular_rectification_map Generate transformation maps that describe the mapping of the images of a binocular camera pair to a common rectified image plane. 
gen_bundle_adjusted_mosaic Combine multiple images into a mosaic image. 
gen_caltab Generate a calibration plate description file and a corresponding PostScript file. 
gen_checker_region Create a checkered region. 
gen_circle Create a circle. 
gen_circle_contour_xld Create XLD contours corresponding to circles or circular arcs. 
gen_contour_nurbs_xld Transforms a NURBS curve into an XLD contour. 
gen_contour_polygon_rounded_xld Generate a XLD contour with rounded corners from a polygon (given as tuples). 
gen_contour_polygon_xld Generate an XLD contour from a polygon (given as tuples). 
gen_contour_region_xld Generate XLD contours from regions. 
gen_contours_skeleton_xld Convert a skeleton into XLD contours. 
gen_cooc_matrix Calculate the co-occurrence matrix of a region in an image. 
gen_cross_contour_xld Generate one XLD contour in the shape of a cross for each input point. 
gen_cube_map_mosaic Create 6 cube map images of a spherical mosaic. 
gen_derivative_filter Generate a derivative filter in the frequency domain. 
gen_disc_se Generate ellipsoidal structuring elements for gray morphology. 
gen_ellipse Create an ellipse. 
gen_ellipse_contour_xld Creation of an XLD contour corresponding to an elliptic arc. 
gen_empty_obj Create an empty object tuple. 
gen_empty_region Create an empty region. 
gen_filter_mask Store a filter mask in the spatial domain as a real-image. 
gen_gabor Generate a Gabor filter. 
gen_gauss_filter Generate a Gaussian filter in the frequency domain. 
gen_gauss_pyramid Calculating a Gauss pyramid. 
gen_grid_rectification_map Compute the mapping between the distorted image and the rectified image based upon the points of a regular grid. 
gen_grid_region Create a region from lines or pixels. 
gen_highpass Generate an ideal highpass filter. 
gen_image1 Create an image from a pointer to the pixels. 
gen_image1_extern Create an image from a pointer on the pixels with storage management. 
gen_image1_rect Create an image with a rectangular domain from a pointer on the pixels (with storage management). 
gen_image3 Create an image from three pointers to the pixels (red/green/blue). 
gen_image3_extern Create a three-channel image from three pointers on the pixels with storage management. 
gen_image_const Create an image with constant gray value. 
gen_image_gray_ramp Create a gray value ramp. 
gen_image_interleaved Create a three-channel image from a pointer to the interleaved pixels. 
gen_image_proto Create an image with a specified constant gray value. 
gen_image_surface_first_order Create a tilted gray surface with first order polynomial. 
gen_image_surface_second_order Create a curved gray surface with second order polynomial. 
gen_image_to_world_plane_map Generate a projection map that describes the mapping between the image plane and a the plane z=0 of a world coordinate system. 
gen_initial_components Extract the initial components of a component model. 
gen_lowpass Generate an ideal lowpass filter. 
gen_mean_filter Generate a mean filter in the frequency domain. 
gen_measure_arc Prepare the extraction of straight edges perpendicular to an annular arc. 
gen_measure_rectangle2 Prepare the extraction of straight edges perpendicular to a rectangle. 
gen_parallel_contour_xld Compute the parallel contour of an XLD contour. 
gen_parallels_xld Extract parallel XLD polygons. 
gen_polygons_xld Approximate XLD contours by polygons. 
gen_principal_comp_trans Compute the transformation matrix of the principal component analysis of multichannel images. 
gen_projective_mosaic Combine multiple images into a mosaic image. 
gen_psf_defocus Generate an impulse response of an uniform out-of-focus blurring. 
gen_psf_motion Generate an impulse response of a (linearly) motion blurring. 
gen_radial_distortion_map Generate a projection map that describes the mapping of images corresponding to a changing radial distortion. 
gen_random_region Create a random region. 
gen_random_regions Create random regions like circles, rectangles and ellipses. 
gen_rectangle1 Create a rectangle parallel to the coordinate axes. 
gen_rectangle2 Create a rectangle of any orientation. 
gen_rectangle2_contour_xld Create an XLD contour in the shape of a rectangle. 
gen_region_contour_xld Create a region from an XLD contour. 
gen_region_histo Convert a histogram into a region. 
gen_region_hline Store input lines described in Hesse normal form as regions. 
gen_region_line Store input lines as regions. 
gen_region_points Store individual pixels as image region. 
gen_region_polygon Store a polygon as an image object. 
gen_region_polygon_filled Store a polygon as a “filled” region. 
gen_region_polygon_xld Create a region from an XLD polygon. 
gen_region_runs Create an image region from a runlength coding. 
gen_sin_bandpass Generate a bandpass filter with sinusoidal shape. 
gen_spherical_mosaic Create a spherical mosaic image. 
gen_std_bandpass Generate a bandpass filter with Gaussian or sinusoidal shape. 
gen_struct_elements Generate standard structuring elements. 
get_1d_bar_code Extract the widths of the elements inside a bar code region. 
get_1d_bar_code_scanline Extract the widths of the elements inside a bar code region. 
get_2d_bar_code Extract the values of the data elements (in ECC 200: “modules”) inside a bar code region (“Data Matrix symbol”). 
get_2d_bar_code_pos Extract the data values of the elements (in ECC 200: “modules”) inside a bar code region (“Data Matrix symbol”) and their positions in the image. 
get_bar_code_object Access iconic objects that were created during the search or decoding of bar code symbols. 
get_bar_code_param Get one or several parameters that describe the bar code model. 
get_bar_code_result Get the alphanumerical results that were accumulated during the decoding of bar code symbols. 
get_bg_esti_params Return the parameters of the data set. 
get_channel_info Informations about the components of an image object. 
get_chapter_info Get information concerning the chapters on procedures. 
get_check State of the control modes. 
get_circle_pose Determine the 3D pose of a circle from its perspective 2D projection.  
get_class_box_param Get information about the current parameter. 
get_component_model_params Return the parameters of a component model. 
get_component_model_tree Return the search tree of a component model. 
get_component_relations Return the relations between the model components that are contained in a training result. 
get_comprise Get the output treatment of an image matrix. 
get_contour_angle_xld Calculate the direction of an XLD contour for each contour point. 
get_contour_attrib_xld Return point attribute values of an XLD contour. 
get_contour_global_attrib_xld Return global attributes values of an XLD contour. 
get_contour_xld Return the coordinates of an XLD contour. 
get_data_code_2d_objects Access iconic objects that were created during the search for 2D data code symbols. 
get_data_code_2d_param Get one or several parameters that describe the 2D data code model. 
get_data_code_2d_results Get the alphanumerical results that were accumulated during the search for 2D data code symbols. 
get_deformable_model_contours Return the contour representation of a deformable model. 
get_deformable_model_origin Return the origin (reference point) of a deformable model. 
get_deformable_model_params Return the parameters of a deformable model. 
get_descriptor_model_origin Return the origin of a descriptor model. 
get_descriptor_model_params Return the parameters of a descriptor model. 
get_descriptor_model_points Query the interest points of the descriptor model or the last processed search image. 
get_diagonal_matrix Get the diagonal elements of a matrix. 
get_domain Get the domain of an image. 
get_draw Get the current region fill mode. 
get_error_text Inquiry after the error text of a error number. 
get_features_ocr_class_mlp Compute the features of a character. 
get_features_ocr_class_svm Compute the features of a character. 
get_fix Get mode of fixing of current look-up-table (lut). 
get_fixed_lut Get fixing of “look-up-table” (lut) for “real color images” 
get_font Get the current font. 
get_font_extents Get the maximum size of all characters of a font. 
get_found_component_model Return the components of a found instance of a component model. 
get_framegrabber_callback Query callback function of an image acquisition device. 
get_framegrabber_lut Query look-up table of the image acquisition device. 
get_framegrabber_param Query specific parameters of a image acquisition device. 
get_full_matrix Return all values of a matrix. 
get_grayval Access the gray values of an image object. 
get_grayval_contour_xld Return gray values of an image at the positions of an XLD contour. 
get_grayval_interpolated Return gray values of an image at the positions given by tuples of rows and columns. 
get_hsi Get the HSI coding of the current color. 
get_icon Query the icon for region output 
get_image_pointer1 Access the pointer of a channel. 
get_image_pointer1_rect Access to the image data pointer and the image data inside the smallest rectangle of the domain of the input image. 
get_image_pointer3 Access the pointers of a colored image. 
get_image_time Request time at which the image was created. 
get_insert Get the current display mode. 
get_keywords Get keywords which are assigned to procedures. 
get_line_approx Get the current approximation error for contour display. 
get_line_of_sight Compute the line of sight corresponding to a point in the image. 
get_line_style Get the current graphic mode for contours. 
get_line_width Get the current line width for contour display. 
get_lines_xld Return an XLD polygon's data (as lines). 
get_lut Get current look-up-table (lut). 
get_lut_style Get modification parameters of look-up-table (lut). 
get_mbutton Wait until a mouse button is pressed. 
get_mbutton_sub_pix Wait until a mouse button is pressed and get the subpixel mouse position. 
get_modules Query of used modules and the module key. 
get_mposition Query the mouse position. 
get_mposition_sub_pix Query the subpixel mouse position. 
get_mshape Query the current mouse pointer shape. 
get_ncc_model_origin Return the origin (reference point) of an NCC model. 
get_ncc_model_params Return the parameters of an NCC model. 
get_next_socket_data_type Determine the data type of the next socket data. 
get_obj_class Name of the class of an image object. 
get_object_model_3d_params Return the parameters of a 3D object model. 
get_operator_info Get information concerning a -procedure. 
get_operator_name Get procedures with the given string as a substring of their name. 
get_os_window_handle Get the operating system window handle. 
get_paint Get the current display mode for gray values. 
get_pair_funct_1d Access a function value using the index of the control points. 
get_parallels_xld Return an XLD parallel's data (as lines). 
get_param_info Get information concerning the procedure parameters. 
get_param_names Get the names of the parameters of a -procedure. 
get_param_num Get number of the different parameter classes of a -procedure. 
get_param_types Get default data type for the control parameters of a -procedure. 
get_params_class_gmm Return the parameters of a Gaussian Mixture Model. 
get_params_class_mlp Return the parameters of a multilayer perceptron. 
get_params_class_svm Return the parameters of a support vector machine. 
get_params_ocr_class_mlp Return the parameters of an OCR classifier. 
get_params_ocr_class_svm Return the parameters of an OCR classifier. 
get_part Get the image part. 
get_part_style Get the current interpolation mode for gray value display. 
get_pixel Get the current color lookup table index. 
get_points_ellipse Calculate a point of an ellipse corresponding to a specific angle. 
get_polygon_xld Return an XLD polygon's data. 
get_pose_type Get the representation type of a 3D pose. 
get_prep_info_class_gmm Compute the information content of the preprocessed feature vectors of a GMM. 
get_prep_info_class_mlp Compute the information content of the preprocessed feature vectors of a multilayer perceptron. 
get_prep_info_class_svm Compute the information content of the preprocessed feature vectors of a support vector machine 
get_prep_info_ocr_class_mlp Compute the information content of the preprocessed feature vectors of an OCR classifier. 
get_prep_info_ocr_class_svm Compute the information content of the preprocessed feature vectors of an SVM-based OCR classifier. 
get_rectangle_pose Determine the 3D pose of a rectangle from its perspective 2D projection 
get_region_chain Contour of an object as chain code. 
get_region_contour Access the contour of an object. 
get_region_convex Access convex hull as contour. 
get_region_index Index of all regions containing a given pixel. 
get_region_points Access the pixels of a region. 
get_region_polygon Polygon approximation of a region. 
get_region_runs Access the runlength coding of a region. 
get_region_thickness Access the thickness of a region along the main axis. 
get_regress_params_xld Return XLD contour parameters. 
get_rgb Get the current color in RGB-coding. 
get_sample_class_gmm Return a training sample from the training data of a Gaussian Mixture Models (GMM). 
get_sample_class_mlp Return a training sample from the training data of a multilayer perceptron. 
get_sample_class_svm Return a training sample from the training data of a support vector machine. 
get_sample_num_class_gmm Return the number of training samples stored in the training data of a Gaussian Mixture Model (GMM). 
get_sample_num_class_mlp Return the number of training samples stored in the training data of a multilayer perceptron. 
get_sample_num_class_svm Return the number of training samples stored in the training data of a support vector machine. 
get_serial_param Get the parameters of a serial device. 
get_shape Get the current region output shape. 
get_shape_model_3d_contours Return the contour representation of a 3D shape model view. 
get_shape_model_3d_params Return the parameters of a 3D shape model. 
get_shape_model_contours Return the contour representation of a shape model. 
get_shape_model_origin Return the origin (reference point) of a shape model. 
get_shape_model_params Return the parameters of a shape model. 
get_sheet_of_light_param Get the value of a parameter, which has been set in a sheet-of-light model. 
get_sheet_of_light_result Get the iconic results of a measurement performed with the sheet-of light technique. 
get_size_matrix Get the size of a matrix. 
get_socket_descriptor Get the socket descriptor of a socket used by the operating system. 
get_socket_timeout Get the timout of a socket. 
get_spy Current configuration of the debugging-tool. 
get_string_extents Get the spatial size of a string. 
get_sub_matrix Get a sub-matrix of a matrix. 
get_support_vector_class_svm Return the index of a support vector from a trained support vector machine. 
get_support_vector_num_class_svm Return the number of support vectors of a support vector machine. 
get_support_vector_num_ocr_class_svm Return the number of support vectors of an OCR classifier. 
get_support_vector_ocr_class_svm Return the index of a support vector from a trained OCR classifier that is based on support vector machines. 
get_system Information concerning the currently used system parameter. 
get_thresh_images_variation_model Return the threshold images used for image comparison by a variation model. 
get_tposition Get cursor position. 
get_training_components Return the initial or model components in a certain image. 
get_tshape Get the shape of the text cursor. 
get_value_matrix Return one ore more elements of a matrix. 
get_variation_model Return the images used for image comparison by a variation model. 
get_window_attr Get window characteristics. 
get_window_extents Information about a window's size and position. 
get_window_param Get window parameters. 
get_window_pointer3 Access to a window's pixel data. 
get_window_type Get the window type. 
get_y_value_funct_1d Return the value of a function at an arbitrary position. 
give_bg_esti Return the estimated background image. 
gnuplot_close Close all open gnuplot files or terminate an active gnuplot sub-process. 
gnuplot_open_file Open a gnuplot file for visualization of images and control values. 
gnuplot_open_pipe Open a pipe to a gnuplot process for visualization of images and control values. 
gnuplot_plot_ctrl Plot control values using gnuplot. 
gnuplot_plot_funct_1d Plot a function using gnuplot. 
gnuplot_plot_image Visualize images using gnuplot. 
golay_elements Generate the structuring elements of the Golay alphabet. 
grab_data Grab images and preprocessed image data from the specified image acquisition device. 
grab_data_async Grab images and preprocessed image data from the specified image image acquisition device and start the next asynchronous grab. 
grab_image Grab an image from the specified image acquisition device. 
grab_image_async Grab an image from the specified image acquisition device and start the next asynchronous grab. 
grab_image_start Start an asynchronous grab from the specified image acquisition device. 
gray_bothat Perform a gray value bottom hat transformation on an image. 
gray_closing Perform a gray value closing on an image. 
gray_closing_rect Perform a gray value closing with a rectangular mask. 
gray_closing_shape Perform a grayvalue closing with a selected mask. 
gray_dilation Perform a gray value dilation on an image. 
gray_dilation_rect Determine the maximum gray value within a rectangle. 
gray_dilation_shape Determine the maximum gray value within a selected mask. 
gray_erosion Perform a gray value erosion on an image. 
gray_erosion_rect Determine the minimum gray value within a rectangle. 
gray_erosion_shape Determine the minimum gray value within a selected mask. 
gray_histo Calculate the gray value distribution. 
gray_histo_abs Calculate the gray value distribution. 
gray_inside Calculate the lowest possible gray value on an arbitrary path to the image border for each point in the image. 
gray_opening Perform a gray value opening on an image. 
gray_opening_rect Perform a gray value opening with a rectangular mask. 
gray_opening_shape Perform a gray value opening with a selected mask. 
gray_projections Calculate horizontal and vertical gray-value projections. 
gray_range_rect Determine the gray value range within a rectangle. 
gray_skeleton Thinning of gray value images. 
gray_tophat Perform a gray value top hat transformation on an image. 
hamming_change_region Generate a region having a given Hamming distance. 
hamming_distance Hamming distance between two regions. 
hamming_distance_norm Hamming distance between two regions using normalization. 
hand_eye_calibration Perform a hand-eye calibration. 
harmonic_interpolation Perform a harmonic interpolation on an image region. 
highpass_image Extract high frequency components from an image. 
histo_2dim Calculate the histogram of two-channel gray value images. 
histo_to_thresh Determine gray value thresholds from a histogram. 
hit_or_miss Hit-or-miss operation for regions. 
hit_or_miss_golay Hit-or-miss operation for regions using the Golay alphabet. 
hit_or_miss_seq Hit-or-miss operation for regions using the Golay alphabet (sequential). 
hom_mat2d_compose Multiply two homogeneous 2D transformation matrices. 
hom_mat2d_determinant Compute the determinant of a homogeneous 2D transformation matrix. 
hom_mat2d_identity Generate the homogeneous transformation matrix of the identical 2D transformation. 
hom_mat2d_invert Invert a homogeneous 2D transformation matrix. 
hom_mat2d_rotate Add a rotation to a homogeneous 2D transformation matrix. 
hom_mat2d_rotate_local Add a rotation to a homogeneous 2D transformation matrix. 
hom_mat2d_scale Add a scaling to a homogeneous 2D transformation matrix. 
hom_mat2d_scale_local Add a scaling to a homogeneous 2D transformation matrix. 
hom_mat2d_slant Add a slant to a homogeneous 2D transformation matrix. 
hom_mat2d_slant_local Add a slant to a homogeneous 2D transformation matrix. 
hom_mat2d_to_affine_par Compute the affine transformation parameters from a homogeneous 2D transformation matrix. 
hom_mat2d_translate Add a translation to a homogeneous 2D transformation matrix. 
hom_mat2d_translate_local Add a translation to a homogeneous 2D transformation matrix. 
hom_mat2d_transpose Transpose a homogeneous 2D transformation matrix. 
hom_mat3d_compose Multiply two homogeneous 3D transformation matrices. 
hom_mat3d_identity Generate the homogeneous transformation matrix of the identical 3D transformation. 
hom_mat3d_invert Invert a homogeneous 3D transformation matrix. 
hom_mat3d_project Project an affine 3D transformation matrix to a 2D projective transformation matrix. 
hom_mat3d_rotate Add a rotation to a homogeneous 3D transformation matrix. 
hom_mat3d_rotate_local Add a rotation to a homogeneous 3D transformation matrix. 
hom_mat3d_scale Add a scaling to a homogeneous 3D transformation matrix. 
hom_mat3d_scale_local Add a scaling to a homogeneous 3D transformation matrix. 
hom_mat3d_to_pose Convert a homogeneous transformation matrix into a 3D pose. 
hom_mat3d_translate Add a translation to a homogeneous 3D transformation matrix. 
hom_mat3d_translate_local Add a translation to a homogeneous 3D transformation matrix. 
hom_vector_to_proj_hom_mat2d Compute a homogeneous transformation matrix using given point correspondences. 
hough_circle_trans Return the Hough-Transform for circles with a given radius. 
hough_circles Centres of circles for a specific radius. 
hough_line_trans Produce the Hough transform for lines within regions. 
hough_line_trans_dir Compute the Hough transform for lines using local gradient direction. 
hough_lines Detect lines in edge images with the help of the Hough transform and returns it in HNF. 
hough_lines_dir Detect lines in edge images with the help of the Hough transform using local gradient direction and return them in normal form. 
hysteresis_threshold Perform a hysteresis threshold operation on an image. 
illuminate Illuminate image. 
image_points_to_world_plane Transform image points into the plane z=0 of a world coordinate system. 
image_to_channels Convert a multichannel image into One-channel images 
image_to_world_plane Rectify an image by transforming it into the plane z=0 of a world coordinate system. 
import_lexicon Create a lexicon from a text file. 
info_edges Estimate the width of a filter in edges_image. 
info_framegrabber Query information about the specified image acquisition interface. 
info_ocr_class_box Get information about an OCR classifier. 
info_parallels_xld Return information about the gray values of the area enclosed by XLD parallels. 
info_smooth Information on smoothing filter smooth_image. 
inner_circle Largest inner circle of a region. 
inner_rectangle1 Largest inner rectangle of a region. 
inpainting_aniso Perform an inpainting by anisotropic diffusion. 
inpainting_ced Perform an inpainting by coherence enhancing diffusion. 
inpainting_ct Perform an inpainting by coherence transport. 
inpainting_mcf Perform an inpainting by smoothing of level lines. 
inpainting_texture Perform an inpainting by texture propagation. 
inspect_clustered_components Inspect the rigid model components obtained from the training. 
inspect_lexicon Query all words from a lexicon. 
inspect_shape_model Create the representation of a shape model. 
integer_to_obj Convert an “integer number” into an iconic object. 
integrate_funct_1d Compute the positive and negative areas of a function. 
intensity Calculate the mean and deviation of gray values. 
interjacent Partition the image plane using given regions. 
intersect_lines_of_sight Get a 3D point from the intersection of two lines of sight within a binocular camera system. 
intersection Calculate the intersection of two regions. 
intersection_closed_contours_xld Intersection of closed contours. 
intersection_closed_polygons_xld Intersection of closed polygons. 
intersection_ll Calculate the intersection point of two lines. 
invar_fourier_coeff Normalize the Fourier coefficients. 
invert_funct_1d Calculate the inverse of a function. 
invert_image Invert an image. 
invert_matrix Invert a matrix. 
invert_matrix_mod Invert a matrix. 
isotropic_diffusion Perform an isotropic diffusion of an image. 
junctions_skeleton Find junctions and end points in a skeleton. 
kirsch_amp Detect edges (amplitude) using the Kirsch operator. 
kirsch_dir Detect edges (amplitude and direction) using the Kirsch operator. 
label_to_region Extract regions with equal gray values from an image. 
laplace Calculate the Laplace operator by using finite differences. 
laplace_of_gauss LoG-Operator (Laplace of Gaussian). 
learn_class_box Train the classifier. 
learn_ndim_box Train a classificator using a multi-channel image. 
learn_ndim_norm Construct classes for class_ndim_norm. 
learn_sampset_box Train the classifier with one data set. 
length_xld Length of contours or polygons. 
line_orientation Calculate the orientation of lines. 
line_position Calculate the center of gravity, length, and orientation of a line. 
linear_trans_color Compute an affine transformation of the color values of a multichannel image. 
lines_color Detect color lines and their width. 
lines_facet Detection of lines using the facet model. 
lines_gauss Detect lines and their width. 
list_files List all files in a directory. 
load_par_knowledge Load knowledge about automatic parallelization from file. 
local_max Detect all local maxima in an image. 
local_max_contours_xld Select XLD contours with a local maximum of gray values. 
local_max_sub_pix Subpixel precise detection of local maxima in an image. 
local_min Detect all local minima in an image. 
local_min_max_funct_1d Calculate the local minimum and maximum points of a function. 
local_min_sub_pix Subpixel precise detection of local minima in an image. 
lookup_lexicon Check if a word is contained in a lexicon. 
lowlands Detect all gray value lowlands. 
lowlands_center Detect the centers of all gray value lowlands. 
lut_trans Transform an image with a gray-value look-up-table 
map_image Apply a general transformation to an image. 
match_essential_matrix_ransac Compute the essential matrix for a pair of stereo images by automatically finding correspondences between image points. 
match_fourier_coeff Similarity of two contours. 
match_funct_1d_trans Calculate transformation parameters between two functions. 
match_fundamental_matrix_ransac Compute the fundamental matrix for a pair of stereo images by automatically finding correspondences between image points. 
match_rel_pose_ransac Compute the relative orientation between two cameras by automatically finding correspondences between image points. 
max_image Calculate the maximum of two images pixel by pixel. 
max_matrix Returns the elementwise maximum of a matrix. 
max_parallels_xld Join modified XLD parallels lying on the same polygon. 
mean_curvature_flow Apply the mean curvature flow to an image. 
mean_image Smooth by averaging. 
mean_matrix Returns the elementwise mean of a matrix. 
mean_n Average gray values over several channels. 
mean_sp Suppress salt and pepper noise. 
measure_pairs Extract straight edge pairs perpendicular to a rectangle or annular arc. 
measure_pos Extract straight edges perpendicular to a rectangle or annular arc. 
measure_profile_sheet_of_light Process the profile image provided as input and store the resulting disparity to the sheet-of-light model. 
measure_projection Extract a gray value profile perpendicular to a rectangle or annular arc. 
measure_thresh Extracting points with a particular grey value along a rectangle or an annular arc. 
median_image Median filtering with different rank masks. 
median_separate Separated median filtering with rectangle masks. 
median_weighted Weighted median filtering with different rank masks. 
merge_cont_line_scan_xld Merge XLD contours from successive line scan images. 
merge_regions_line_scan Merge regions from line scan images. 
midrange_image Calculate the average of maximum and minimum inside any mask. 
min_image Calculate the minimum of two images pixel by pixel. 
min_matrix Returns the elementwise minimum of a matrix. 
min_max_gray Determine the minimum and maximum gray values within regions. 
minkowski_add1 Perform a Minkowski addition on a region. 
minkowski_add2 Dilate a region (using a reference point). 
minkowski_sub1 Erode a region. 
minkowski_sub2 Erode a region (using a reference point). 
mirror_image Mirror an image. 
mirror_region Reflect a region about an axis. 
mod_parallels_xld Extract parallel XLD polygons enclosing a homogeneous area. 
modify_component_relations Modify the relations within a training result. 
moments_any_points_xld Arbitrary geometric moments of contours or polygons treated as point clouds. 
moments_any_xld Arbitrary geometric moments of contours or polygons. 
moments_gray_plane Calculate gray value moments and approximation by a plane. 
moments_points_xld Geometric moments M20$M_{20}$, M02$M_{02}$, and M11$M_{11}$ of contours or polygons treated as point clouds. 
moments_region_2nd Geometric moments of regions. 
moments_region_2nd_invar Geometric moments of regions. 
moments_region_2nd_rel_invar Geometric moments of regions. 
moments_region_3rd Geometric moments of regions. 
moments_region_3rd_invar Geometric moments of regions. 
moments_region_central Geometric moments of regions. 
moments_region_central_invar Geometric moments of regions. 
moments_xld Geometric moments M20$M_{20}$, M02$M_{02}$, and M11$M_{11}$ of contours or polygons. 
monotony Calculating the monotony operation. 
morph_hat Compute the union of bottom_hat and top_hat. 
morph_skeleton Compute the morphological skeleton of a region. 
morph_skiz Thinning of a region. 
move_contour_orig Transformation of the origin into the centre of gravity. 
move_rectangle Copy inside an output window. 
move_region Translate a region. 
mult_element_matrix Multiply matrices element-by-element. 
mult_element_matrix_mod Multiply matrices element-by-element. 
mult_image Multiply two images. 
mult_matrix Multiply two matrices. 
mult_matrix_mod Multiply two matrices. 
negate_funct_1d Negation of the y values. 
new_extern_window Create a virtual graphics window under Windows. 
new_line Set the position of the text cursor to the beginning of the next line. 
noise_distribution_mean Determine the noise distribution of an image. 
nonmax_suppression_amp Suppress non-maximum points on an edge. 
nonmax_suppression_dir Suppress non-maximum points on an edge using a direction image. 
norm_matrix Norm of a matrix. 
num_points_funct_1d Number of control points of the function. 
obj_diff Calculate the difference of two object tuples. 
obj_to_integer Convert an iconic object into an “integer number.” 
ocr_change_char Define a new conversion table for the characters. 
ocr_get_features Access the features which correspond to a character. 
open_file Open text file. 
open_framegrabber Open and configure a image acquisition device. 
open_serial Open a serial device. 
open_socket_accept Open a socket that accepts connection requests. 
open_socket_connect Open a socket to an existing socket. 
open_textwindow Open a textual window. 
open_window Open a graphics window. 
opening Open a region. 
opening_circle Open a region with a circular structuring element. 
opening_golay Open a region with an element from the Golay alphabet. 
opening_rectangle1 Open a region with a rectangular structuring element. 
opening_seg Separate overlapping regions. 
optical_flow_mg Compute the optical flow between two images. 
optimize_fft_speed Optimize the runtime of the FFT. 
optimize_rft_speed Optimize the runtime of the real-valued FFT. 
orientation_points_xld Orientation of contours or polygons treated as point clouds. 
orientation_region Orientation of a region. 
orientation_xld Orientation of contours or polygons. 
orthogonal_decompose_matrix Perform an orthogonal decomposition of a matrix. 
overpaint_gray Overpaint the gray values of an image. 
overpaint_region Overpaint regions in an image. 
paint_gray Paint the gray values of an image into another image. 
paint_region Paint regions into an image. 
paint_xld Paint XLD objects into an image. 
partition_dynamic Partition a region horizontally at positions of small vertical extent. 
partition_lines Partition lines according to various criteria. 
partition_rectangle Partition a region into rectangles of equal size. 
phase_deg Return the phase of a complex image in degrees. 
phase_rad Return the phase of a complex image in radians. 
phot_stereo Reconstruct a surface from at least three gray value images. 
plane_deviation Calculate the deviation of the gray values from the approximating image plane. 
plateaus Detect all gray value plateaus. 
plateaus_center Detect the centers of all gray value plateaus. 
points_foerstner Detect points of interest using the Förstner operator. 
points_harris Detect points of interest using the Harris operator. 
points_harris_binomial Detect points of interest using the binomial approximation of the Harris operator. 
points_lepetit Detect points of interest using the Lepetit operator. 
points_sojka Find corners using the Sojka operator. 
polar_trans_contour_xld Transform a contour in an annular arc to polar coordinates. 
polar_trans_contour_xld_inv Transform a contour in polar coordinates back to cartesian coordinates 
polar_trans_image Transform an image to polar coordinates 
polar_trans_image_ext Transform an annular arc in an image to polar coordinates. 
polar_trans_image_inv Transform an image in polar coordinates back to cartesian coordinates 
polar_trans_region Transform a region within an annular arc to polar coordinates. 
polar_trans_region_inv Transform a region in polar coordinates back to cartesian coordinates. 
pose_to_hom_mat3d Convert a 3D pose into a homogeneous transformation matrix. 
pouring Segment an image by “pouring water” over it. 
pow_element_matrix Compute the power functions of the elements of a matrix. 
pow_element_matrix_mod Compute the power functions of the elements of a matrix. 
pow_matrix Compute the power functions of a matrix. 
pow_matrix_mod Compute the power functions of a matrix. 
pow_scalar_element_matrix Compute the power functions of the elements of a matrix. 
pow_scalar_element_matrix_mod Compute the power functions of the elements of a matrix. 
power_byte Return the power spectrum of a complex image. 
power_ln Return the power spectrum of a complex image. 
power_real Return the power spectrum of a complex image. 
prep_contour_fourier Parameterize the passed contour. 
prepare_direct_variation_model Prepare a variation model for comparison with an image. 
prepare_variation_model Prepare a variation model for comparison with an image. 
prewitt_amp Detect edges (amplitude) using the Prewitt operator. 
prewitt_dir Detect edges (amplitude and direction) using the Prewitt operator. 
principal_comp Compute the principal components of multichannel images. 
proj_hom_mat2d_to_pose Computation of a pose by using a homography from world coordinates to image coordinates. 
proj_match_points_ransac Compute a projective transformation matrix between two images by finding correspondences between points. 
proj_match_points_ransac_guided Compute a projective transformation matrix between two images by finding correspondences between points based on a known approximation of the projective transformation matrix. 
project_3d_point Project 3D points into (sub-)pixel image coordinates. 
project_object_model_3d Project the edges of a 3D object model into image coordinates. 
project_shape_model_3d Project the edges of a 3D shape model into image coordinates. 
projection_pl Calculate the projection of a point onto a line. 
projective_trans_contour_xld Apply a projective transformation to an XLD contour. 
projective_trans_image Apply a projective transformation to an image. 
projective_trans_image_size Apply a projective transformation to an image and specify the output image size. 
projective_trans_pixel Project pixel coordinates using a homogeneous projective transformation matrix. 
projective_trans_point_2d Project a homogeneous 2D point using a projective transformation matrix. 
projective_trans_region Apply a projective transformation to a region. 
pruning Prune the branches of a region. 
quat_compose Multiply two quaternions. 
quat_conjugate Generate the conjugation of a quaternion. 
quat_interpolate Interpolation of two quaternions. 
quat_normalize Normalizes a quaternion. 
quat_rotate_point_3d Perform a rotation by a unit quaternion. 
quat_to_hom_mat3d Convert a quaternion into the corresponding rotation matrix. 
quat_to_pose Convert a quaternion into the corresponding 3D pose. 
query_all_colors Query all color names. 
query_color Query all color names displayable in the window. 
query_colored Query the number of colors for color output. 
query_contour_attribs_xld Return the names of the defined attributes of an XLD contour. 
query_contour_global_attribs_xld Return the names of the defined global attributes of an XLD contour. 
query_data_code_2d_params Get for a given 2D data code model the names of the generic parameters or objects that can be used in the other 2D data code operators. 
query_font Query the available fonts. 
query_gray Query the displayable gray values. 
query_insert Query the possible graphic modes. 
query_line_width Query the possible line widths. 
query_lut Query all available look-up-tables (lut). 
query_mshape Query all available mouse pointer shapes. 
query_operator_info Query slots concerning information with relation to the operator get_operator_info. 
query_paint Query the gray value display modes. 
query_param_info Query slots of the online-information concerning the operator get_param_info. 
query_shape Query the region display modes. 
query_sheet_of_light_params For a given sheet-of-light model get the names of the generic iconic or control parameters that can be used in the different sheet-of-light operators. 
query_spy Inquiring for possible settings of the debugging tool. 
query_tshape Query all shapes available for text cursors. 
query_window_type Query all available window types. 
radial_distortion_self_calibration Calibrate the radial distortion. 
radiometric_self_calibration Perform a radiometric self-calibration of a camera. 
rank_image Smooth an image with an arbitrary rank mask. 
rank_n Return gray values with given rank from multiple channels. 
rank_region Rank operator for regions. 
read_cam_par Read the interior camera parameters from text file. 
read_char Read a character from a text window. 
read_class_box Read the classifier from a file. 
read_class_gmm Read a Gaussian Mixture Model from a file. 
read_class_mlp Read a multilayer perceptron from a file. 
read_class_svm Read a support vector machine from a file. 
read_component_model Read a component model from a file. 
read_contour_xld_arc_info Read XLD contours to a file in ARC/INFO generate format. 
read_contour_xld_dxf Read XLD contours from a DXF file. 
read_data_code_2d_model Read a 2D data code model from a file and create a new model. 
read_deformable_model Read a deformable model from a file. 
read_descriptor_model Read a descriptor model from a file. 
read_fft_optimization_data Load FFT speed optimization data from a file. 
read_funct_1d Read a function from a file. 
read_gray_se Load a structuring element for gray morphology. 
read_image Read an image with different file formats. 
read_kalman Read the description file of a Kalman filter. 
read_matrix Read a matrix from a file. 
read_ncc_model Read an NCC model from a file. 
read_object_model_3d_dxf Read a 3D object model from a DXF file. 
read_ocr Read an OCR classifier from a file. 
read_ocr_class_mlp Read an OCR classifier from a file. 
read_ocr_class_svm Read an SVM-based OCR classifier from a file. 
read_ocr_trainf Read training characters from files and convert to images. 
read_ocr_trainf_names Query which characters are stored in a training file. 
read_ocr_trainf_select Read training specific characters from files and convert to images. 
read_ocv Reading an OCV tool from file. 
read_polygon_xld_arc_info Read XLD polygons from a file in ARC/INFO generate format. 
read_polygon_xld_dxf Read XLD polygons from a DXF file. 
read_pose Read a 3D pose from a text file. 
read_region Read binary images or regions. 
read_samples_class_gmm Read the training data of a Gaussian Mixture Model from a file. 
read_samples_class_mlp Read the training data of a multilayer perceptron from a file. 
read_samples_class_svm Read the training data of a support vector machine from a file. 
read_sampset Read a training data set from a file. 
read_sequence Read images. 
read_serial Read from a serial device. 
read_shape_model Read a shape model from a file. 
read_shape_model_3d Read a 3D shape model from a file. 
read_string Read a string in a text window. 
read_template Reading a template from file. 
read_training_components Read a component training result from a file. 
read_tuple Read a tuple from a file. 
read_variation_model Read a variation model from a file. 
read_world_file Read the geo coding from an ARC/INFO world file. 
real_to_complex Convert two real images into a complex image. 
real_to_vector_field Convert two real-valued images into a vector field image. 
receive_image Receive an image over a socket connection. 
receive_region Receive regions over a socket connection. 
receive_tuple Receive a tuple over a socket connection. 
receive_xld Receive an XLD object over a socket connection. 
reconst3d_from_fundamental_matrix Compute the projective 3d reconstruction of points based on the fundamental matrix. 
rectangle1_domain Reduce the domain of an image to a rectangle. 
rectangularity Shape factor for the rectangularity of a region. 
reduce_class_svm Approximate a trained support vector machine by a reduced support vector machine for faster classification. 
reduce_domain Reduce the domain of an image. 
reduce_ocr_class_svm Approximate a trained SVM-based OCR classifier by a reduced SVM. 
region_to_bin Convert a region into a binary byte-image. 
region_to_label Convert regions to a label image. 
region_to_mean Paint regions with their average gray value. 
regiongrowing Segment an image using regiongrowing. 
regiongrowing_mean Perform a regiongrowing using mean gray values. 
regiongrowing_n Segment an image using regiongrowing for multi-channel images. 
regress_contours_xld Calculate the parameters of a regression line to an XLD contour. 
rel_pose_to_fundamental_matrix Compute the fundamental matrix from the relative orientation of two cameras. 
remove_noise_region Remove noise from a region. 
repeat_matrix Repeat a matrix. 
reset_fuzzy_measure Reset a fuzzy member function. 
reset_obj_db Initialization of the system. 
rft_generic Compute the real-valued fast Fourier transform of an image. 
rgb1_to_gray Transform an RGB image into a gray scale image. 
rgb3_to_gray Transform an RGB image to a gray scale image. 
roberts Detect edges using the Roberts filter. 
robinson_amp Detect edges (amplitude) using the Robinson operator. 
robinson_dir Detect edges (amplitude and direction) using the Robinson operator. 
rotate_image Rotate an image about its center. 
roundness Shape factors from contour. 
run_bg_esti Estimate the background and return the foreground region. 
runlength_distribution Distribution of runs needed for runlength encoding of a region. 
runlength_features Characteristic values for runlength coding of regions. 
saddle_points_sub_pix Subpixel precise detection of saddle points in an image. 
sample_funct_1d Sample a function equidistantly in an interval. 
scale_image Scale the gray values of an image. 
scale_image_max Maximum gray value spreading in the value range 0 to 255. 
scale_matrix Scale a matrix. 
scale_matrix_mod Scale a matrix. 
scale_y_funct_1d Multiplication and addition of the y values. 
search_operator Search names of all procedures assigned to one keyword. 
segment_characters Segments characters in a given region of an image. 
segment_contours_xld Segment XLD contours into line segments and circular or elliptic arcs. 
select_characters Selects characters from a given region. 
select_contours_xld Select XLD contours according to several features. 
select_gray Select regions based on gray value features. 
select_grayvalues_from_channels Selection of gray values of a multi-channel image using an index image. 
select_lines Select lines according to various criteria. 
select_lines_longest Select the longest input lines. 
select_matching_lines Select those lines from a set of lines (in HNF) which fit best into a region. 
select_obj Select objects from an object tuple. 
select_region_point Choose all regions containing a given pixel. 
select_region_spatial Pose relation of regions. 
select_shape Choose regions with the aid of shape features. 
select_shape_proto Choose regions having a certain relation to each other. 
select_shape_std Select regions of a given shape. 
select_shape_xld Select contours or polygons using shape features. 
select_xld_point Choose all contours or polygons containing a given point. 
send_image Send an image over a socket connection. 
send_region Send regions over a socket connection. 
send_tuple Send a tuple over a socket connection. 
send_xld Send an XLD object over a socket connection. 
sensor_kalman Interactive input of measurement values for a Kalman filtering. 
set_bar_code_param Set selected parameters of the bar code model. 
set_bg_esti_params Change the parameters of the data set. 
set_check Activating and deactivating of control modes. 
set_class_box_param Set system parameters for classification. 
set_color Set output color. 
set_colored Set multiple output colors. 
set_comprise Define the image matrix output clipping. 
set_data_code_2d_param Set selected parameters of the 2D data code model. 
set_deformable_model_origin Set the origin (reference point) of a deformable model. 
set_deformable_model_param Set selected parameters of the deformable model. 
set_descriptor_model_origin Sets the origin of a descriptor model. 
set_diagonal_matrix Set the diagonal elements of a matrix. 
set_draw Define the region fill mode. 
set_fix Set fixing of “look-up-table” (lut) 
set_fixed_lut Fix “look-up-table” (lut) for “real color images”. 
set_font Set the font used for text output. 
set_framegrabber_callback Register a callback function for an image acquisition device. 
set_framegrabber_lut Set look-up table of the image acquisition device. 
set_framegrabber_param Set specific parameters of a image acquistion device. 
set_full_matrix Set all values of a matrix. 
set_fuzzy_measure Specify a fuzzy member function. 
set_fuzzy_measure_norm_pair Specify a normalized fuzzy member function for edge pairs. 
set_gray Define gray values for region output. 
set_grayval Set single gray values in an image. 
set_hsi Define output colors (HSI-coded). 
set_icon Icon definition for region output. 
set_insert Define the pixel output function. 
set_line_approx Define the approximation error for contour display. 
set_line_style Define a contour output pattern. 
set_line_width Define the line width for region contour output. 
set_lut Set “look-up-table” (lut). 
set_lut_style Changing the look-up-table (lut). 
set_mshape Set the current mouse pointer shape. 
set_ncc_model_origin Set the origin (reference point) of an NCC model. 
set_ncc_model_param Set selected parameters of the NCC model. 
set_offset_template Gray value offset for template. 
set_origin_pose Translate the origin of a 3D pose. 
set_paint Define the gray value output mode. 
set_part Modify the displayed image part. 
set_part_style Define an interpolation method for gray value output.  
set_pixel Define a color lookup table index. 
set_reference_template Define reference position for a matching template. 
set_rgb Set the color definition via RGB values. 
set_serial_param Set the parameters of a serial device. 
set_shape Define the region output shape. 
set_shape_model_metric Set the metric of a shape model that was created from XLD contours. 
set_shape_model_origin Set the origin (reference point) of a shape model. 
set_shape_model_param Set selected parameters of the shape model. 
set_sheet_of_light_param Set selected parameters of the sheet-of-light model. 
set_socket_timeout Set the timout of a socket. 
set_spy Control of the Debugging Tools. 
set_sub_matrix Set a sub-matrix of a matrix. 
set_system Setting of system parameters. 
set_tposition Set the position of the text cursor. 
set_tshape Set the shape of the text cursor. 
set_value_matrix Set one or more elements of a matrix. 
set_window_attr Set window characteristics. 
set_window_dc Set the device context of a virtual graphics window (Windows NT). 
set_window_extents Modify position and size of a window. 
set_window_param Set window parameters. 
set_window_type Specify a window type. 
sfs_mod_lr Reconstruct a surface from a gray value image. 
sfs_orig_lr Reconstruct a surface from a gray value image. 
sfs_pentland Reconstruct a surface from a gray value image. 
shade_height_field Shade a height field. 
shape_histo_all Determine a histogram of features along all threshold values. 
shape_histo_point Determine a histogram of features along all threshold values. 
shape_trans Transform the shape of a region. 
shape_trans_xld Transform the shape of contours or polygons. 
shock_filter Apply a shock filter to an image. 
sigma_image Non-linear smoothing with the sigma filter. 
sim_caltab Simulate an image with calibration plate. 
simulate_defocus Simulate an uniform out-of-focus blurring of an image. 
simulate_motion Simulation of (linearly) motion blur. 
skeleton Compute the skeleton of a region. 
slide_image Interactive output from two window buffers. 
smallest_circle Smallest surrounding circle of a region. 
smallest_circle_xld Smallest enclosing circle of contours or polygons. 
smallest_rectangle1 Surrounding rectangle parallel to the coordinate axes. 
smallest_rectangle1_xld Enclosing rectangle parallel to the coordinate axes of contours or polygons. 
smallest_rectangle2 Smallest surrounding rectangle with any orientation. 
smallest_rectangle2_xld Smallest enclosing rectangle with arbitrary orientation of contours or polygons. 
smooth_contours_xld Smooth an XLD contour. 
smooth_funct_1d_gauss Smooth an equidistant 1D function with a Gaussian function. 
smooth_funct_1d_mean Smooth an equidistant 1D function by averaging its values. 
smooth_image Smooth an image using recursive filters. 
sobel_amp Detect edges (amplitude) using the Sobel operator. 
sobel_dir Detect edges (amplitude and direction) using the Sobel operator. 
socket_accept_connect Accept a connection request on a listening socket. 
solve_matrix Compute the solution of a system of equations. 
sort_contours_xld Sort contours with respect to their relative position. 
sort_region Sorting of regions with respect to their relative position. 
sp_distribution Generate a salt-and-pepper noise distribution. 
spatial_relation Pose relation of regions with regard to the coordinate axes. 
split_contours_xld Split XLD contours at dominant points. 
split_skeleton_lines Split lines represented by one pixel wide, non-branching lines. 
split_skeleton_region Split lines represented by one pixel wide, non-branching regions. 
sqrt_image Calculate the square root of an image. 
sqrt_matrix Compute the square root values of the elements of a matrix. 
sqrt_matrix_mod Compute the square root values of the elements of a matrix. 
stationary_camera_self_calibration Perform a self-calibration of a stationary projective camera. 
store_par_knowledge Store knowledge about automatic parallelization in file. 
sub_image Subtract two images. 
sub_matrix Subtract two matrices. 
sub_matrix_mod Subtract two matrices. 
suggest_lexicon Find a similar word in a lexicon. 
sum_matrix Returns the elementwise sum of a matrix. 
svd_matrix Compute the singular value decomposition of a matrix. 
symm_difference Calculate the symmetric difference of two regions. 
symm_difference_closed_contours_xld Symmetric difference of closed contours. 
symm_difference_closed_polygons_xld Symmetric difference of closed polygons. 
symmetry Symmetry of gray values along a row. 
system_call Executes a system command. 
test_equal_obj Compare image objects regarding equality. 
test_equal_region Test whether the regions of two objects are identical. 
test_obj_def Test whether an object is already deleted. 
test_region_point Test if the region consists of the given point. 
test_sampset_box Classify a set of arrays. 
test_self_intersection_xld Test XLD contours or polygons for self intersection. 
test_subset_region Test whether a region is contained in another region. 
test_xld_point Test whether one or more contours or polygons enclose the given point(s). 
testd_ocr_class_box Test an OCR classifier. 
text_line_orientation Determines the orientation of a text line or paragraph. 
text_line_slant Determines the slant of characters of a text line or paragraph. 
texture_laws Filter an image using a Laws texture filter. 
thickening Add the result of a hit-or-miss operation to a region. 
thickening_golay Add the result of a hit-or-miss operation to a region (using a Golay structuring element). 
thickening_seq Add the result of a hit-or-miss operation to a region (sequential). 
thinning Remove the result of a hit-or-miss operation from a region. 
thinning_golay Remove the result of a hit-or-miss operation from a region (using a Golay structuring element). 
thinning_seq Remove the result of a hit-or-miss operation from a region (sequential). 
threshold Segment an image using global threshold. 
threshold_sub_pix Extract level crossings from an image with subpixel accuracy. 
tile_channels Tile multiple images into a large image. 
tile_images Tile multiple image objects into a large image. 
tile_images_offset Tile multiple image objects into a large image with explicit positioning information. 
top_hat Compute the top hat of regions. 
topographic_sketch Compute the topographic primal sketch of an image. 
train_class_gmm Train a Gaussian Mixture Model. 
train_class_mlp Train a multilayer perceptron. 
train_class_svm Train a support vector machine. 
train_model_components Train components and relations for the component-based matching. 
train_variation_model Train a variation model. 
traind_ocr_class_box Train an OCR classifier by the input of regions. 
traind_ocv_proj Training of an OCV tool. 
trainf_ocr_class_box Train an OCR classifier with the help of a training file. 
trainf_ocr_class_mlp Train an OCR classifier. 
trainf_ocr_class_svm Train an OCR classifier. 
trans_from_rgb Transform an image from the RGB color space to an arbitrary color space. 
trans_pose_shape_model_3d Transform a pose that refers to the coordinate system of a 3D object model to a pose that refers to the reference coordinate system of a 3D shape model and vice versa. 
trans_to_rgb Transform an image from an arbitrary color space to the RGB color space. 
transform_funct_1d Transform a function using given transformation parameters. 
translate_measure Translate a measure object. 
transpose_matrix Transpose a matrix. 
transpose_matrix_mod Transpose a matrix. 
transpose_region Reflect a region about a point. 
trimmed_mean Smooth an image with an arbitrary rank mask. 
tuple_abs Compute the absolute value of a tuple. 
tuple_acos Compute the arccosine of a tuple. 
tuple_add Add two tuples. 
tuple_and Compute the logical and of two tuples. 
tuple_asin Compute the arcsine of a tuple. 
tuple_atan Compute the arctangent of a tuple. 
tuple_atan2 Compute the arctangent of a tuple for all four quadrants. 
tuple_band Compute the bitwise and of two tuples. 
tuple_bnot Compute the bitwise not of two tuples. 
tuple_bor Compute the bitwise or of two tuples. 
tuple_bxor Compute the bitwise exclusive or of two tuples. 
tuple_ceil Compute the ceiling function of a tuple. 
tuple_chr Convert a tuple of integers into strings with the corresponding ASCII codes. 
tuple_chrt Convert a tuple of integers into strings with the corresponding ASCII codes. 
tuple_concat Concatenate two tuple to a new one. 
tuple_cos Compute the cosine of a tuple. 
tuple_cosh Compute the hyperbolic cosine of a tuple. 
tuple_cumul Calculates the cumulative sums of a tuple. 
tuple_deg Convert a tuple from radians to degrees. 
tuple_deviation Return the standard deviation of the elements of a tuple. 
tuple_div Divide two tuples. 
tuple_environment Read one or more environment variables. 
tuple_equal Test, whether two tuples are equal. 
tuple_exp Compute the exponential of a tuple. 
tuple_fabs Compute the absolute value of a tuple (as floating point numbers). 
tuple_find Returns the indices of all occurrences of a tuple within another tuple. 
tuple_first_n Select the first elements of a tuple. 
tuple_floor Compute the floor function of a tuple. 
tuple_fmod Calculate the remainder of the floating point division of two tuples. 
tuple_gen_const Generate a tuple of a specific length and initialize its elements. 
tuple_greater Test, whether a tuple is greater than another tuple. 
tuple_greater_equal Test, whether a tuple is greater or equal to another tuple. 
tuple_int Convert a tuple into a tuple of integer numbers. 
tuple_inverse Invert a tuple. 
tuple_is_number Check a tuple (of strings) whether it represents numbers. 
tuple_last_n Select all elements from index “n” to the end of a tuple. 
tuple_ldexp Calculate the ldexp function of two tuples. 
tuple_length Returns the number of elements of a tuple. 
tuple_less Test, whether a tuple is less than another tuple. 
tuple_less_equal Test, whether a tuple is less or equal to another tuple. 
tuple_log Compute the natural logarithm of a tuple. 
tuple_log10 Compute the base 10 logarithm of a tuple. 
tuple_lsh Shift a tuple bitwise to the left. 
tuple_max Returns the maximal element of a tuple. 
tuple_max2 Calculate the elementwise maximum of two tuples. 
tuple_mean Return the mean value of a tuple of numbers. 
tuple_median Return the median of the elements of a tuple. 
tuple_min Returns the minimal element of a tuple. 
tuple_min2 Calculate the elementwise minimum of two tuples. 
tuple_mod Calculate the remainder of the integer division of two tuples. 
tuple_mult Multiply two tuples. 
tuple_neg Negate a tuple. 
tuple_not Compute the logical not of two tuples. 
tuple_not_equal Test, whether two tuples are not equal. 
tuple_number Convert a tuple (of strings) into a tuple of numbers. 
tuple_or Compute the logical or of two tuples. 
tuple_ord Convert a tuple of strings of length 1 into a tuple of their ASCII codes. 
tuple_ords Convert a tuple of strings into a tuple of their ASCII codes. 
tuple_pow Calculate the power function two tuples. 
tuple_rad Convert a tuple from degrees to radians. 
tuple_rand Return a tuple of random numbers between 0 and 1. 
tuple_real Convert a tuple into a tuple of floating point numbers. 
tuple_regexp_match Extracts substrings using regular expressions. 
tuple_regexp_replace Replaces a substring using regular expressions. 
tuple_regexp_select Selects tuple elements matching a regular expression. 
tuple_regexp_test Tests if a string matches a regular expression. 
tuple_remove Remove elements from a tuple. 
tuple_round Convert a tuple into a tuple of integer numbers. 
tuple_rsh Shift a tuple bitwise to the right. 
tuple_select Select single elements of a tuple. 
tuple_select_range Select several elements of a tuple. 
tuple_select_rank Select the element of rank n of a tuple. 
tuple_sgn Calculate the sign of a tuple. 
tuple_sin Compute the sine of a tuple. 
tuple_sinh Compute the hyperbolic sine of a tuple. 
tuple_sort Sorts the elements of a tuple in ascending order. 
tuple_sort_index Sorts the elements of a tuple and returns the indices of the sorted tuple. 
tuple_split Split strings into substrings between predefined separator symbol(s). 
tuple_sqrt Compute the square root of a tuple. 
tuple_str_bit_select Select single character or bit from a tuple. 
tuple_str_first_n Cut the first characters up to position “n” out of string tuple. 
tuple_str_last_n Cut all characters starting at position “n” out of string tuple. 
tuple_strchr Forward search for a character within a string tuple. 
tuple_string Convert a tuple into a tuple of strings. 
tuple_strlen Length of every string within a tuple of strings. 
tuple_strrchr Backward search for a character within a string tuple. 
tuple_strrstr Backward search for string(s) within a string tuple. 
tuple_strstr Forward search for string(s) within a string tuple. 
tuple_sub Subtract two tuples. 
tuple_sum Return the sum of all elements of a tuple. 
tuple_tan Compute the tangent of a tuple. 
tuple_tanh Compute the hyperbolic tangent of a tuple. 
tuple_uniq Discards all but one of successive identical elements of a tuple. 
tuple_xor Compute the logical exclusive or of two tuples. 
union1 Return the union of all input regions. 
union2 Return the union of two regions. 
union2_closed_contours_xld Union of closed contours. 
union2_closed_polygons_xld Union of closed polygons. 
union_adjacent_contours_xld Union of contours of which the end points are close together. 
union_cocircular_contours_xld Merge contours that belong to the same circle. 
union_collinear_contours_ext_xld Union of collinear contours (operator with extended functionality). 
union_collinear_contours_xld Union of collinear contours. 
union_straight_contours_histo_xld Merge neighboring straight contours having a similar distance from a given line. 
union_straight_contours_xld Merge neighboring straight contours having a similar direction. 
unproject_coordinates Calculates image coordinates for a point in a 3D plot window. 
unwarp_image_vector_field Unwarp an image using a vector field. 
update_bg_esti Change the estimated background image. 
update_kalman Read an update file of a Kalman filter. 
update_window_pose Modify the pose of a 3D plot. 
var_threshold Threshold an image by local mean and standard deviation analysis. 
vector_angle_to_rigid Compute a rigid affine transformation from points and angles. 
vector_field_length Compute the length of the vectors of a vector field. 
vector_field_to_hom_mat2d Approximate an affine map from a displacement vector field. 
vector_field_to_real Convert a vector field image into two real-valued images. 
vector_to_essential_matrix Compute the essential matrix given image point correspondences and known camera matrices and reconstruct 3D points. 
vector_to_fundamental_matrix Compute the fundamental matrix given a set of image point correspondences and reconstruct 3D points. 
vector_to_hom_mat2d Approximate an affine transformation from point correspondences. 
vector_to_pose Computation of an absolute pose out of point correspondences between world and image coordinates. 
vector_to_proj_hom_mat2d Compute a projective transformation matrix using given point correspondences. 
vector_to_rel_pose Compute the relative orientation between two cameras given image point correspondences and known camera parameters and reconstruct 3D space points. 
vector_to_rigid Approximate a rigid affine transformation from point correspondences. 
vector_to_similarity Approximate an similarity transformation from point correspondences. 
wait_seconds Delaying the execution of the program. 
watersheds Extract watersheds and basins from an image. 
watersheds_threshold Extract watershed basins from an image using a threshold. 
wiener_filter Image restoration by Wiener filtering. 
wiener_filter_ni Image restoration by Wiener filtering. 
write_cam_par Write the interior camera parameters to text file. 
write_class_box Save the classifier in a file. 
write_class_gmm Write a Gaussian Mixture Model to a file. 
write_class_mlp Write a multilayer perceptron to a file. 
write_class_svm Write a support vector machine to a file. 
write_component_model Write a component model to a file. 
write_contour_xld_arc_info Write XLD contours to a file in ARC/INFO generate format. 
write_contour_xld_dxf Write XLD contours to a file in DXF format. 
write_data_code_2d_model Writes a 2D data code model into a file. 
write_deformable_model Write a deformable model to a file. 
write_descriptor_model Write a descriptor model to a file. 
write_fft_optimization_data Store FFT speed optimization data in a file. 
write_funct_1d Write a function to a file. 
write_image Write images in graphic formats. 
write_lut Write look-up-table (lut) as file. 
write_matrix Write a matrix to a file. 
write_ncc_model Write an NCC model to a file. 
write_ocr Writing an OCR classifier into a file. 
write_ocr_class_mlp Write an OCR classifier to a file. 
write_ocr_class_svm Write an OCR classifier to a file. 
write_ocr_trainf Storing of trained characters into a file. 
write_ocr_trainf_image Write characters into a training file. 
write_ocv Saving an OCV tool to file. 
write_polygon_xld_arc_info Write XLD polygons to a file in ARC/INFO generate format. 
write_polygon_xld_dxf Write XLD polygons to a file in DXF format. 
write_pose Write a 3D pose to a text file. 
write_region Write regions to a file. 
write_samples_class_gmm Write the training data of a Gaussian Mixture Model to a file. 
write_samples_class_mlp Write the training data of a multilayer perceptron to a file. 
write_samples_class_svm Write the training data of a support vector machine to a file. 
write_serial Write to a serial connection. 
write_shape_model Write a shape model to a file. 
write_shape_model_3d Write a 3D shape model to a file. 
write_string Print text in a window. 
write_template Writing a template to file. 
write_training_components Write a component training result to a file. 
write_tuple Write a tuple to a file. 
write_variation_model Write a variation model to a file. 
x_range_funct_1d Smallest and largest x value of the function. 
y_range_funct_1d Smallest and largest y value of the function. 
zero_crossing Extrakt zero crossings from an image. 
zero_crossing_sub_pix Extract zero crossings from an image with subpixel accuracy. 
zero_crossings_funct_1d Calculate the zero crossings of a function. 
zoom_image_factor Zoom an image by a given factor. 
zoom_image_size Zoom an image to a given size. 
zoom_region Zoom a region. 


HALCON/C Reference Manual Operators
Version 9.0.2 Copyright © 1996-2010 MVTec Software GmbH