Index of all Operators

abs1__ Calculate the absolute value (modulus) of an image.
absolute_invariant Normalizing of the Fourier coefficients with regard to the displacment of the starting point.
access_channel Access a channel of a multi-channel image.
adapt_template Adapting a template to the size of an image.
add__ Add two images.
add_channels Add gray values to regions.
add_noise1 Add noise to an image.
add_noise2 Add noise to an image.
anisotrope_diff__ Smooth an image by edge-preserving anisotropic diffusion.
append_channel Append additional matrices (channels) to the image.
approx_chain1 Approximate a closed chain code by arcs and lines.
approx_chain2 Approximate a closed chain code by arcs and lines.
area_center Area and center of regions.
area_center_xld Area and center of gravity (centroid) of contours and polygons.
auto_threshold1 Segment an image using thresholds determined from its histogram.
auto_threshold2 Segment an image using thresholds determined from its histogram.
background_seg Determine the connected components of the background of given regions.
bandpass__ Edge extraction using bandpass filters.
best_match Searching the best matching of a template and an image.
best_mg_match Searching the best grayvalue matches in a pyramid.
bin_threshold Segment a black-and-white image using an automatically determined threshold.
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.
caltab_points Read the mark center points from the calibration table description file.
camera_calibration Computation of all camera parameters by a simultanous minimization process.
change_bg_esti_params Change the parameters of the current data set
change_domain Change definition domain of an image.
change_format Change image size.
channels_to_image Convert one-channel images into a multichannel image
chapter_info Information concerning the chapters on procedures.
char_threshold Perform a threshold segmentation for extracting characters.
check_difference Compare two image pixel by pixel.
checker_region Create a checkered region.
chord_distribution Distribute the chord lengths of a region.
circle Create a circle.
circularity Shape factor for the roundness of a region.
class_2dim2 Segment two images by clustering.
class_2dim__ Segment an image using two-dimensional pixel classification.
class_ndim1__ Classify pixels using hyper-spheres or hyper-cubes.
class_ndim2__ Classify pixels using hyper-cuboids.
clear Delete an iconic object from the HORUS database.
clear_image Set the gray values of an image to a specified value.
clear_rectangle Deletion of a rectangle on the output window.
clear_window Deletion of an output window.
clip_region Clip a region to a rectangle.
clip_rel_region Clip a region relative to its size.
close_all_windows Closing of all outputwindows.
close_bg_esti Delete the current BgEsti data set
close_classif2 Deletion of the current classificator.
close_edges1 Close edge gaps using the edge amplitude image.
close_edges2 Close edge gaps using the edge amplitude image.
close_file Close current text file
close_framegrabber Close currently open framegrabber.
close_horus Resets the initial state of a HORUS session.
close_ocr_net Deallocation of the memory of an OCR-network.
close_window Closing of 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.
combine_roads_xld Combine road hypotheses from two resolution levels.
comp_info Informations about the components of an imabe object.
compactness Shape factor for the compactness of a region.
compare_coef Similarity of two contours.
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.
concat_obj Concatenate two iconic object tuples.
connect_and_holes Number of connection components and holes
connection Compute connected components of a region.
cont_info_xld Return XLD contour parameters.
cont_len_xld Return the number of points in an XLD contour.
contlength Contour length of a region.
convert_image_type__ Convert the type of an image.
convexity Shape factor for the convexity of a region.
convol__ Convolve an image with an arbitrary filter mask.
convol_fft__ Convolve an image with a byte-mask in the frequency domain.
convol_gabor__ Convolve an image with a Gabor filter in the frequency domain.
cooc_feature1 Calculate a co-occurrence matrix and derive gray value features thereof.
cooc_feature2 Calculate gray value features from a co-occurrence matrix.
copy_obj Cpoy an iconic object in the HORUS database.
copy_rectangle Copying between output windows.
corner_response__ Searching corners in images.
count Rank operator for regions.
count_channels Count channels of image.
count_obj Number of objects in a tuple.
count_relation Number of entries in the HORUS database.
count_seconds Elapsed processing time since the last call.
create_bg_esti Generate and initialize a data set for the background estimation
create_caltab Generates calibration table description file and corresponding PostScript file.
create_classif2 Creation of a new classificator.
create_dimage Create an image from a pointer on the pixels with storage management.
create_image Create an image from a pointer to the pixels.
create_image3 Create an image from three pointers to the pixels.
create_ocr_net Creating a new OCR-network.
create_param_cont Parameterizes the passed contour.
create_template Preparing a pattern for template matching.
crop_image Cut out a rectangular image area.
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.
defined_attribs_xld Return the names of the defined attributes of an XLD contour.
delete_template Deallocation of the memory of a template.
derivate_gauss Convolve an image with derivatives of the Gaussian.
descript_classif2 Description of the current classificator.
detect_edges1 Detect straight edge segments.
deviation__ Calculate the standard deviation of gray values within a rectangular window.
diff_of_gauss__ Approximate the LoG operator (Laplace of Gaussian).
difference Calculate the difference of two regions.
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.
direction1 Pose relation of regions with regard to the coordinate axes.
direction2 Pose relation of regions.
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 table in the image.
disp_circle Displays circles in a window.
disp_color Displays a color (RGB) image
disp_distribution Displays a noise distribution.
disp_ellipse Displays ellipses.
disp_grey Displays images with several channels.
disp_image Displays grey value images.
disp_info Displays the manual information of a procedure on the screen.
disp_line Draws lines in a window.
disp_lut Graphical view of the look-up-table (lut).
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.
div__ Divide two images.
do_ocr_b Classification of characters.
do_ocr_m Classification of a character.
draw_circle Interactive creation of a circle.
draw_ellipse Interactive creation of an ellipse.
draw_lut Manipulate look-up-table (lut) interactively.
draw_polygon Interactive creation of a polygon row.
draw_rectangle1 Drawing of a rectangle parallel to the coordinate axis.
draw_rectangle2 Interactive creation of any orientated rectangle.
draw_region Interactive creation of a closed region.
dual_rank Opening, Median and Closing with circle or rectangle mask.
dump_lwindow Converting of the window contents in an image.
dump_pwindow Output of the window contents to a file.
dup_image Copy an image and allocate new memory for it.
dvf_to_affin Approximate an affine map from a displacement vector field.
dvf_to_int1 Convert a displacement vector field into two int1-images.
dyn_threshold__ Segment an image using a local threshold.
edges__ Extract edges using Deriche, Shen, or Canny filters.
edges_sub_pix Extract sub-pixel precise edges using Deriche, Shen, or Canny filters.
ellipse Create an ellipse.
elliptic_axis Parameter of the equivalent ellipse.
emphasize__ Enhance contrast of the image.
empty_obj Create an empty object tuple.
empty_region Create an empty region.
energy__ Calculate the energy of a two-channel image.
enquire_classif2 Classification of a tupel of attributes.
enquire_reject_classif2 Classification of a tupel of attributes with rejection class.
entropy1__ Calculate the entropy of gray values within a rectangular window.
entropy2__ Determine the entropy and anisotropy of images.
equ_histo__ Histogram linearisation of images
equal_obj Compare image objects regarding equality.
equal_region Test whether the regions of two objects are identical.
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.
error_text Inquiry after the error text of a HORUS error number.
estimate_al_am Estimate the ambedo of a surface and the amount of ambient light.
estimate_foe Calculate vanishing point from given alignments.
estimate_orientation Estimate the orientation of regions (letters).
estimate_sl_al_lr Estimate the slant of a light source and the ambedo of a surface.
estimate_sl_al_zc Estimate the slant of a light source and the ambedo 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 Euler number.
excentricity Shape features derived from the ellipse parameters.
expand Fill gaps between regions or split overlapping regions.
expand_grey1 Fill gaps between regions (depending on gray value or color) or split overlapping regions.
expand_grey2 Fill gaps between regions (depending on gray value or color) or split overlapping regions.
expand_line Expand a region starting at a given line.
fast_match Searching all good matches of a template and an image.
fast_mg_match Searching all good grayvalue matches in a pyramid.
fast_threshold Fast selection of greyvalues within a given grey intervall.
fetch_angle_xld Calculate the direction of an XLD contour for each contour point.
fetch_bg_esti_params Return the parameters of the current data set
fetch_chain Contour of an object as chain code.
fetch_chord Access the runlength coding of a region.
fetch_contour Access the contour of an object.
fetch_convex Access convex hull as contour.
fetch_coord Access the pixels of a region.
fetch_polygon Polygon approximation of a region.
fetch_thickness Access the thickness of a region along the main axis.
fft__ Compute the fast Fourier transform of an image.
fft_generic Compute the fast Fourier transform of an image.
fft_inv__ Compute the inverse fast Fourier transform of an image.
file_exists Check whether file exists.
fill_image Expansion of a displacement vector field onto undefined areas.
fill_interlace__ Interpolate 2 video half images.
fill_sp Replace values outside of thresholds with average value.
fill_up Fill up holes in regions.
fill_up_shape Fill up holes in regions having given shape features.
filter_kalman Estimating the current state of a system with the help of the Kalman filtering.
find_caltab Segmentation of the calibration table region in the image.
find_marks_and_pose Extract the 2D calibration marks from the video image and calculate initial values for the external camera parameters.
fitting Perform a closing after an opening with multiple structuring elements.
fnew_line Create a line feed.
fourier_1dim Calculates 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_string Read strings from a text file.
free_sampset Free memory of a data set.
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.
fuzzy_entropy Determine the fuzzy entropy of regions.
fuzzy_perimeter Calculate the fuzzy perimeter of a region.
fwrite_nl_string Output of values on a text file with additional new lines.
fwrite_string Output of values on a text file.
gauss__ Smooth using discrete gauss functions.
gauss_distribution Generate a Gaussian noise distribution.
gen_bandfilter Generate an ideal band filter.
gen_bandpass Generate an ideal bandpass filter.
gen_contour2_xld Convert a region into XLD contours.
gen_contour_xld Convert a region into XLD contours.
gen_cooc_matrix Calculate the co-occurrence matrix of a region in an image.
gen_filter_mask Store a filter mask in the spatial domain as a real-image.
gen_gabor Generate a Gabor filter.
gen_gauss_pyramid Calculating a Gauss pyramid.
gen_highpass Generate an ideal highpass filter.
gen_lowpass Generate an ideal lowpass filter.
gen_psf_defocus Generation of an impulse response of an uniform out-of-focus blurring.
gen_psf_motion Generation of an impulse response of a (linearly) motion blurring.
gen_sin_bandpass Generate a bandpass filter with sinusoidal shape.
gen_std_bandpass Generate a bandpass filter with Gaussian or sinusoidal shape.
get_bg_esti Return the ID of the current BgEsti data set
get_check State of the HORUS control modes.
get_classif2 Name of the current classificator.
get_classif2_param Information about the current parameter.
get_comprise Query the output treatment of an image matrix.
get_cont_attrib_xld Return point attribute values of an XLD contour.
get_contour_xld Return the coordinates of an XLD contour.
get_domain Get the domain of an image.
get_draw Query of the current region fill mode.
get_file Query current text file.
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 Queries the current font.
get_framegrabber_lut Query framegrabber lut.
get_greyval__ Access the gray values of an image object.
get_hsi Queries the HSI coding of the current color.
get_icon Query of the icon for region output
get_image_pointer3 Access the pointers of a colored image
get_image_pointer__ Access the pointer of a channel.
get_image_time Request time at which the image was created.
get_insert Query of the current display mode.
get_line_approx Query of the current approximation error for contour display.
get_line_style Query of the current graphic mode for contours.
get_line_width Query 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_mposition Query the mouse position.
get_mshape Query the current mouse pointer shape.
get_paint Query the current disply mode for greyvalues.
get_part Query of the current image part.
get_part_style Query of the current interpolation mode for greyvalue display.
get_pixel Query of the current color lookup table index.
get_poly_parallel_xld Return an XLD parallel's data (as lines).
get_poly_xld Return an XLD polygon's data.
get_region_index Index of all regions containing a given pixel.
get_rgb Query of the current color in RGB-coding.
get_shape Query of the current region output shape.
get_spy Current configuration of the HORUS debugging-tool.
get_string_extents Query the spatial size of a string.
get_system Information concerning the currently used HORUS system parameter.
get_tposition Queries cursor position.
get_tshape Queries the shape of the text cursor.
get_window Query the current output window.
get_window_extents Information about a window's size and position.
get_window_pointer3 Access to a window's pixel data.
get_window_type Query of the current window type.
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 Visualize images using gnuplot.
gnuplot_plot_ctrl Plot control values using gnuplot.
golay_elements Generate the structuring elements of the Golay alphabet.
grab_image Grab an image.
grey_bothat Perform a gray value bottom hat transformation on an image.
grey_closing Perform a gray value closing on an image.
grey_dilation Perform a gray value dilation on an image.
grey_erosion Perform a gray value erosion on an image.
grey_inside Calculate the lowest possible gray value on an arbitrary path to the image border for each point in the image.
grey_moments Calculate gray value moments and approximation by a plane.
grey_opening Perform a gray value opening on an image.
grey_projections Calculate horizontal and vertical gray-value projections.
grey_skeleton__ Thinning of gray value images.
grey_tophat Perform a gray value top hat transformation on an image.
grid Create a region from lines or pixels.
hamming_change_region Generate a region having a given Hamming distance.
hamming_distance Hamming distance between two regions.
has_shape Select regions of a given shape.
highpass__ Extract high frequency components from an image.
histo_2dim__ Calculate the histogram of two-channel gray value images.
histo__ Calculate the gray value distribution.
histo_gauss Smooth a histogram by averaging with a Gaussian mask.
histo_mean Smooth a histogram by averaging its values.
histo_to_region Convert a histogram into a region.
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_3d_trans Transform a 3D point into new coordinate system.
hom_mat_ident Transformation matrix of the identical transform.
hom_mat_invert Invert transformation matrix.
hom_mat_mult Multiply 2 transformation matrices.
hom_mat_rot Rotate the destination coordinate system.
hom_mat_to_pose Convert homogeneous transformation matrix into external camera parameters.
hom_mat_translate Translate the destination coordinate system.
hom_mat_values Selects the rotation and translation values from a transformation matrix.
hough_circle_trans Returns the Hough-Transform for circles with a given radius.
hough_circles Detects the centre of circles in regions with the help of the Hough transform for circles with a certain radius
hough_line_trans Produces the Hough transform for lines within regions.
hough_lines Detects lines in edge images with the help of the Hough transform and returns it in HNF
hysteresis_threshold__ Perform a hysteresis threshold operation on an image.
illuminate__ Illuminate image.
image_getmatrix Return the current transformation matrix.
image_identity Reset the current transformation matrix.
image_plane Create a gray value plane.
image_rotate Modify the current transformation matrix by a rotation.
image_scale Modify the current transformation matrix by a scaling.
image_setmatrix Set the current transformation matrix.
image_to_channels Convert a multichannel image into One-channel images
image_to_mean Paint regions with their average gray value.
image_transform__ Apply an arbitrary affine transformation to an image.
image_translate Modify the current transformation matrix by a translation.
info_edges Estimate the width of a filter in edges__.
info_framegrabber Return possible operational modes of the current framegrabber.
info_ocr_net Information on an OCR network.
info_para_xld Return information on the gray values of the area enclosed by XLD parallels.
info_smooth Information on smoothing filter smooth__.
init_horus Initialization of the HORUS system.
inner_circle Largest inner circle of a region.
inside_region1 Choose all regions containing a given pixel.
inside_region2 Test, ob eine Region einen gegebenen Punkt enthält.
int1_to_dvf Convert two int1-images into a displacement vector field.
integer_to_obj Convert a ``integer number'' into an iconic object.
intensity__ Calculate the mean and deviation of gray values.
interjacent Partition the image plane using given regions.
intersection Calculate the intersection of two regions.
invariances Normalizing of the Fourier coefficients.
inverse_project_pixel Inverse projection of a pixel into focal plane.
invert Invert an image.
junc 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).
laws_byte Filter an image using a Laws texture filter.
laws_int2 Filter an image using a Laws texture filter.
laws_int4 Filter an image using a Laws texture filter.
learn_classif2 Training of the current classificator.
learn_ndim1__ Construct clusters for class_ndim1__.
learn_ndim2__ Train the current classifier using a multi-channel image.
learn_sampset2 Training of the classificator 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_motion Simulation of (linearly) motion blur.
lines_facet Detection of lines using the facet model.
lines_gauss Detection of lines using Gaussian smoothing.
load_grey_se Load a structuring element for gray morphology.
local_max Detect all local maxima in an image.
local_max_cont_xld Select XLD contours with a local maximum of gray values.
lut_trans Transform an image with a gray-value look-up-table
make_disc_se Generate ellipsoidal structuring elements for gray morphology.
match__ Matching of a template and an image.
match_functions Calculating the transformation parameters between two functions.
matching_lines Selects those lines from a set of lines (in HNF) which fit best into a region.
max1__ Determine the maximum gray value within a rectangle.
max2__ Calculate the maximum of two images pixel by pixel.
max_distance Maximal distance between two boundary points of a region.
max_parallels_xld Join modified XLD parallels lying on the same polygon.
mean__ Smooth by averaging.
mean_n Average gray values over several channels.
mean_sp Suppress salt and pepper noise.
median Median filtering with different rank masks.
median_separate Separated median filtering with rectangle masks.
median_weighted Weighted median filtering with different rank masks.
mf_close_db Deleting the currently active MF-database.
mf_compute_energy Calculating the energy value of an MF image interpretation.
mf_db_generation Creating a Markov field database.
mf_features Creating a Markov field feature file.
mf_get_db How to get the name of the current MF-database.
mf_interprete_image Execution of an MF image interpretation.
mf_read_db Reading of an MF-database.
mf_set_db Activating an MF-database.
mg_match__ Matching a template and an image in a resolution pyramid.
midrange Calculate the average of maximum and minimum inside any mask.
min1__ Determine the minimum gray value within a rectangle.
min2__ Calculate the minimum of two images pixel by pixel.
min_distance1 Minimum distance between two regions with the help of dilatation.
min_distance2 Minimum distance between the contour pixels of two regions each.
min_max__ Determine the minimum and maximum gray values within regions.
min_max_filter Smooth an image in the spatial domain to suppress noise.
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 Reflect an image.
mirror_region Reflect a region about the x- or y-axis.
mod_para_xld Extract parallel XLD polygons enclosing a homogeneous area.
moments Geometric moments of regions.
moments_any_xld Arbitrary geometric moments of contours or polygons.
moments_norm Geometric moments of regions.
moments_xld Geometric moments M20, M02, and M11 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 Translate a region.
move_contour_orig Transformation of the origin into the centre of gravity.
move_rectangle Copying inside an output window.
move_region1 Interactive moving of a region.
move_region2 Interactive movement of a region with fixpoint specification.
move_region3 Interactive movement of a region with restriction of positions.
mult__ Multiply two images.
neighbour Search direct neighbours.
new_image__ Create an unused image.
new_line Sets 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.
num_chord Characteristic values for runlength coding of regions.
obj_class Name of the class of an imabe object.
obj_def Test whether an object is already deleted.
obj_info Information about the input image objects last used.
obj_to_integer Convert an iconic object into a ``integer number.''
ocr_change_character Defining a new conversion table for the characters.
open_file Open text file.
open_framegrabber Open and configure a framegrabber.
open_textwindow Opening of 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_flow1__ Calculates the displacement vector field determined by a directed smoothness constraint.
optical_flow2 Calculating the Displacement vector field by correlation methods.
out_of_focus simulation of uniform out-of-focus blurring.
paint_grey__ Copy the gray values of an image into another image.
paint_region__ Paint a region in an image with a constant gray value.
parallels_xld Extract parallel XLD polygons.
param_info Information concerning the procedure parameters.
partition_dynamic Partition a region horizontally into rectangles.
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.
point_in_line Check whether a pixel belongs to a line.
poly_xld Approximate XLD contours by polygons.
pose_to_hom_mat Convert external camera parameters into homogeneous transformation matrix.
pouring Segment an image by ``pouring water'' over it.
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.
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 multi-channel images.
proc_info Information concerning a HORUS-procedure.
proc_info1 Returns to the names of the parameters of a HORUS-procedure.
proc_info2 Number of the different parameter classes of a HORUS-procedure.
proc_info3 Default data type for the control parameters of a HORUS-procedure.
proc_name Returns procedures with the given string as a substring of their name.
project_3d_point Project 3D points into (sub-)pixels.
pruning Prune the branches of a region.
query_all_colors queries all color names.
query_color Query of all color names displayable in the active window.
query_colored Queries the number of colors for color output.
query_font Queries the available fonts.
query_framegrabber Query supported framegrabbers.
query_grey Query of the displayable greyvalues.
query_insert Query of possible graphic modes.
query_line_width Query of possible line widths.
query_lut Query all available look-up-tables (lut).
query_mshape Query all available mouse pointer shapes.
query_paint Query of greyvalue display modes.
query_param_info Slots of the online-information concerning the operator param_info.
query_proc_info Slots concerning information with relation to the operator proc_info.
query_shape Query of the region display modes.
query_spy Inquiring for possible settings of the HORUS debugging tool.
query_tshape Queries all shapes available for text cursors.
query_window_type Request of available window types.
random_region Create a random region.
random_regions Create random regions like circles, rectangles and ellipses.
range__ Determine the gray value range within a rectangle.
rank__ Smooth an image with an arbitrary rank mask.
read_cam_par Read the internal camera parameters from text file.
read_cam_pose Read the external camera parameters from text file.
read_char Reads a character from the current text window.
read_classif2 Reading the classificator from a file.
read_image Read an image with different file formats.
read_info Query information about an image file.
read_kalman Reading of the description file of a Kalman filter.
read_ocr_net Reading of a OCR-network from a file.
read_picture Read images in graphic formats
read_region Read HORUS regions.
read_sampset Reading of a training data set of a file.
read_sequence Read images.
read_string Reads a string in a graphics window.
real_to_complex Convert two real images into a complex image.
receive_image Receiving an image via socket/virtual link.
receive_region Receiving regions via socket/virtual link.
rectangle1 Create a rectangle parallel to the coordinate axes.
rectangle2 Create a rectangle of any orientation.
reduce_domain Reduce the domain of an image.
region_to_bin Convert a region into a binary byte-image.
region_to_label Convert regions to a label image.
regiongrowing__ Segment an image using regiongrowing.
regiongrowing_mean Regiongrowing using mean gray values.
regiongrowing_n__ Regiongrowing for multi-channel images.
regress_cont_xld Calculate the parameters of a regression line to an XLD contour.
remove_noise Remove noise from a region.
rgb1_to_grey Transform an RGB image into a gray scale image.
rgb3_to_grey 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.
rotate_region1 Rotate and scale a region.
rotate_region2 Rotate and scale a region about its center of gravity, and translate the result.
roundness Shape factors from contour.
run_bg_esti Estimate the background and return the foreground region
scale__ Scale the gray values of an image.
scale_cont_xld Scale an XLD contour.
scale_max Maximum gray value spreading in the value range 0 bis 255.
search_font Searches a font of the given size.
search_font_list Queries all available fonts of a given size.
search_keyword How to call keywords which are assigned to procedures.
search_proc Names of all procedures assigned to one keyword.
select_cont_xld Select XLD contours according to several features.
select_grey__ Select regions based on gray value features.
select_lines1 Select lines according to various criteria.
select_lines2 Partition lines according to various criteria.
select_longest_lines Select the longest input lines.
select_obj Select an object from an object tuple.
select_shape Choose regions with the aid of shape features.
select_shape2 Choose regions having a certain relation to each other.
send_image Sending an image via socket/virtual link.
send_region Sending regions via socket resp. virtual links.
sensor_kalman Interactive input of measurement values for a Kalman filtering.
set_bg_esti Mark a data set as current set
set_check Activating and deactivating of HORUS control modes.
set_classif2 Setting of a current classificator.
set_classif2_param Setting of system parameters for classification.
set_color output color definition.
set_colored sets multiple output colors.
set_comprise Definition of the image matrix output clipping.
set_draw Definition of the region fill mode.
set_file Replace current text file.
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_lut Set framegrabber lut.
set_grey Definition of greyvalues for region output.
set_greyval__ Set single gray values in an image.
set_hsi Definition of output colors (HSI-coded).
set_icon Icon definition for region output.
set_insert Definition of the pixel output function.
set_line_approx Definition of the approximation error for contour display.
set_line_style Definition of a contour output pattern.
set_line_width Definition of 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_paint Definition of the greyvalue output mode.
set_part Modifies the displayed image part.
set_part_style Definition of an interpolation method for greyvalue output.
set_pixel Definition of a color lookup table index.
set_rgb Output color definition via RGB values.
set_shape Definition of the region output shape.
set_spy Control of the HORUS Debugging Tools.
set_system Setting of HORUS system parameters.
set_tposition Sets the position of the text cursor.
set_tshape Set the shape of the text cursor.
set_window Activating of a window.
set_window_attr Setting of window characteristics.
set_window_extents Modifying position and size of a window.
set_window_type Specifying 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_trans Transfor the shape of a region.
sigma__ Non-linear smoothing with the sigma filter.
sim_caltab Simulate a video image with calibration table.
skeleton Compute the skeleton of a region.
slide_image Interactive output out of two window buffers.
smallest_circle Smallest surrounding circle of a region.
smallest_rectangle1 Surrounding rectangle parallel to the coordinate axes.
smallest_rectangle2 Smallest surrounding rectangle with any orientation.
smooth__ Smooth an image using recursive filters.
smooth_cont_xld Smooth an XLD contour.
sobel_amp Detect edges (amplitude) using the Sobel operator.
sobel_dir Detect edges (amplitude and direction) using the Sobel operator.
sort_region Sorting of regions with respect of their relative position.
sp_distribution Generate a salt-and-pepper noise distribution.
split_cont_xld Split XLD contours at dominant points.
split_skeleton1 Split lines represented by one pixel wide, non-branching regions.
split_skeleton2 Split lines represented by one pixel wide, non-branching regions.
store_chord Create an image region from a runlength coding.
store_coord Store individual pixels as image region.
store_filled_polygon Store a polygon as a "filled" region.
store_hesse_lines Store input lines described in Hesse normal shape as regions.
store_lines Store input lines as regions (of images).
store_polygon Store a polygon as an image object.
struct_elements Generate standard structuring elements.
sub__ Subtract two images.
system_call Executes a system command.
test_sampset2 Classification of a set of arrays.
texture_cooc Generate synthetic texture by using co-occurrence matrices.
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__ Select gray values lying within an interval.
top_hat Compute the top hat of regions.
topographic_sketch Compute the topographic primal sketch of an image.
traind_ocr_net Training of an OCR network by the input of regions.
trainf_ocr_net Training an OCR network with the help of a training file.
trans_from_rgb Transform an image from the RGB color space to an arbitrary color space .
trans_to_rgb Transform an image from an arbitrary color space to the RGB color space.
transpose Reflect a region about a point.
trimmed_mean Smooth an image with an arbitrary rank mask.
tshape_histo1 Determine a histogram of features along all threshold values.
tshape_histo2 Determine a histogram of features along all threshold values.
union1 Return the union of all input regions.
union2 Return the union of two regions.
union_cont_xld Merger neighboring XLD contours having a similar direction.
update_bg_esti Change the estimated background image
update_kalman Reading of an update file of a Kalman filter.
vector_distance Similarity of two vectors.
vector_gauss Smoothing of a tuplet of floating point numbers with the help of the Gaussian function.
vector_integral Total number of positive and negative values of a vector.
vector_scale Changing the length (= number of values) of a tuplet.
vector_to_affin Approximate an affine map from vectors.
wait_seconds Delaying the execution of the program.
watersheds Extract watersheds and basins from an image.
which_window Query the mouse position.
wiener_filter Image restoration by Wiener filtering.
wiener_filter_ni Image restoration by Wiener filtering.
write_cam_par Write the internal camera parameters to text file.
write_cam_pose Write the external camera parameters to text file.
write_classif2 Output of the current classificator on a file.
write_cooc_matrix Generate co-occurrence matrices and write them to a file.
write_image Write HORUS image.
write_lut Write look-up-table (lut) as file.
write_ocr_net Writing an OCR network into a file.
write_ocr_trainf Storing of trained characters in the file.
write_picture__ Write images in graphic formats.
write_region Write regions on file.
write_string Prints text in a window.
xy_to_polar Transform an image to polar coordinates
zero_crossing1 Segment a Laplace image.
zero_crossing2 Detect zero crossings in an image.
zoom_image1 Zoom an image to a given size.
zoom_image2 Zoom an image by a given factor.
zoom_region Zoom a region.


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