CVIPtools Man Pages
Commands
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cathlp.csh(1) - cathlp generates the formatted help pages for CVIPtools GUI from the nroff files
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crt_tree.csh(1) - create the CVIPtools source tree
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dogman.csh(1) - UNIX C shell script to create formatted manual pages and the windex database file
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htmlman.csh(1) - UNIX C shell script to create HTML man pages
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load(1) - CVIPtools command to place an image into the image queue
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pq(1) - CVIPtools command to list the current image queue contents
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save(1) - CVIPtools command to save an image from the image queue to disk
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util(1) - CVIPtools command to call up general utilities menu
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view_CVIP(1) - CVIPtools command to view a desired image, its histogram, or other data
Library Functions
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Butterworth_Band_Pass(3) - performs Butterworth band pass filtering
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Butterworth_Band_Reject(3) - performs Butterworth band reject filtering
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Butterworth_High(3) - performs Butterworth highpass filtering
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Butterworth_Low(3) - performs Butterworth lowpass filtering
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CVIPhalftone(3) - converts a grayscale image to a binary image
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CVIPluminance(3) - a fast RGB to luminance calculation
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Find_euler(3) - calculates the Euler number of a binary object
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Find_irregular(3) - determines the irregularity of a labeled binary object
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Find_perimeter(3) - finds the perimeter of a labeled binary object
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Find_thinness(3) - determines the thinness ratio of a labeled binary object
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High_Freq_Emphasis(3) - performs high frequency emphasis filtering
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Ideal_Band_Pass(3) - perform ideal bandpass filtering
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Ideal_Band_Reject(3) - perform ideal band reject filtering
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Ideal_High(3) - perform ideal highpass filtering
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Ideal_Low(3) - perform ideal lowpass filtering
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Lab_inv_xform(3) - L*a*b* inverse transform
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Luv_inv_xform(3) - L*u*v* inverse transform
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MorphClose_Image(3) - performs morphological closing
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MorphDilate_Image(3) - performs morphological dilation
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MorphErode_Image(3) - performs morphological erosion
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MorphOpen_Image(3) - performs morphological opening
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Ypmean_filter(3) - a non-linear mean filter which is better at removing gaussian type noise and preserving edge features than the mean filter.
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acuity_nightvision_filter(3) - visual acuity and nightvision simulations
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adaptive_contrast_filter(3) - adaptive contrast filter
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add_Image(3) - adds two images
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alpha_filter(3) - used when an image contains both short and long tailed types of noise such as Gaussian and salt and pepper noises. Filter varies between a median and a mean filter.
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and_Image(3) - performs logical AND of two images
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area(3) - calculates area of an object of interest
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aspect(3) - calculates aspect ratio of an object of interest
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bilinear_interp(3) - shrinks or enlarges an image
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bit_compress(3) - Performs bitplane runlength coding
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bit_decompress(3) - Performs bitplane runlength coding
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bitplane_sep(3) - Performs bitplane runlength coding
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btc2_compress(3) - a Block Truncation Coding (BTC) scheme using multilevel coding
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btc2_decompress(3) - a Block Truncation Coding (BTC) scheme using multilevel coding
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btc3_compress(3) - a Block Truncation Coding (BTC) scheme using predictive multilevel coding
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btc_compress(3) - 2 level Block Truncation Coding (BTC) scheme
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btc_decompress(3) - 2 level Block Truncation Coding (BTC) scheme
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cbrt_Matrix(3) - computes the square root of a matrix.
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centroid(3) - calculates centroid coordinates of an object of interest
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colorxform(3) - transforms an RGB image into a new color space
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commands(3) - an introduction to CVIPtools commands
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contra_filter(3) - a non-linear mean filter which is better at removing gaussian type noise and preserving edge features than the mean filter.
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convert_filetype(3) - various conversion functions
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convolve_filter(3) - convolves an image with a filter kernel.
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copy_paste(3) - copy a subimage from one image and paste to the same or another image
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create_black(3) - creates a black PGM image
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create_cosine(3) - creates a cosine wave image
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create_image(3) - functions to create simple images
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create_sine(3) - creates a sine wave image
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create_squarewave(3) - creates a square wave image
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crop(3) - crops a sub-image
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cylin_inv_xform(3) - cylindrical inverse transform
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dct_transform(3) - performs Discrete Cosine Transform
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define_histogram(3) - Enables a user to specify a histogram in terms of a variable 'x'.
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display_Image(3) - function suites for displaying an image by executing a shell command or internal function call
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display_RAMImage(3) - an X-based image viewer used in CVIPtools
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display_mesh(3) - draw the mesh corresponding to the given mesh structure on a given image
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divide_Image(3) - divides two images
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divide_Matrix(3) - divides one matrix by another
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dpc_compress(3) - compresses an image using differential pulse code modulation
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dpc_compress(3) - compresses an image using differential pulse code modulation
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edge_detect_filter(3) - perform edge detection
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edge_detect_setup(3) - performs edge detection
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edge_link_filter(3) - connects pixels to form lines
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encode_data(3) - assigns codebook to input vectors for LBG compression
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enlarge(3) - Enlarges an image to a user-defined size
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euler(3) - calculates the euler number
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fft_phase(3) - extract phase of fft
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fft_transform(3) - perform fast Fourier transform
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file_to_mesh(3) - retrieve a mesh structure from a file
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fuzzyc_segment(3) - image segmentation based on fuzzy c-means
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gamma_noise(3) - Add gamma noise to an image
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gaussian_noise(3) - Add gaussian noise to an image
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geometric_filter(3) - a non-linear mean filter which is better at removing gaussian type noise and preserving edge features than the mean filter.
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geometric_mean(3) - performs a parametric wiener filter
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getDisplay_Image(3) - function suites for displaying an image by executing a shell command or internal function call
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getFormat_CVIP(3) - returns file format
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get_default_filter(3) - provides filter kernel
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get_histogram(3) - generates a histogram array/Image from an image
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get_histogram_Image(3) - generates a histogram array/Image from an image
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glr_compress(3) - Performs grey level runlength coding
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gray_binary(3) - performs binary/gray code conversion
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gray_linear(3) - performs linear gray level modification
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gray_multiply(3) - multiplies each pixel by a fixed ratio
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gray_multiply(3) - multiplies each pixel by a fixed ratio
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gray_quant_segment(3) - remaps to desired number of gray levels
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h_image(3) - create a mask image according to the size and type
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haar_transform(3) - performs a fast Haar transform
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harmonic_filter(3) - a non-linear mean filter which is better at removing gaussian type noise and preserving edge features than the mean filter. Good at removing positive outliers.
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hexrotate(3) - rotates a structuring element
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hist_feature(3) - calculates histogram features: mean, standard deviation, skew, energy and entropy
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hist_slide(3) - performs histogram slide
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hist_spec(3) - performs histogram specification on an image
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hist_stretch(3) - stretches a histogram
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hist_thresh_segment(3) - a thresholding-of-histogram segmentation technique
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histeq(3) - performs histogram equalization
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histogram_show(3) - prints an ASCII representation of a histogram to stdout
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homomorphic(3) - performs homomorphic filtering on an input image
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hough_filter(3) - completes lines in a binary image
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hough_transform(3) - completes lines in a binary image
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huf_compress(3) - performs lossless Huffman coding
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ifft_transform(3) - performs an inverse fast Fourier transform
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igs_segment(3) - improved gray-scale quantization
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image_sharp(3) - sharpens an image
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inverse_xformfilter(3) - performs inverse filtering
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irregular(3) - calculates irregularity ratio
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jpg_compress(3) - Joint Photographic Experts Group(JPEG) image compression scheme
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jpg_decompress(3) - Joint Photographic Experts Group(JPEG) image compression scheme
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keyboard_to_mesh(3) - create a mesh structure from the keyboard
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label(3) - labels objects
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least_squares(3) - performs least_squares restoration filtering
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libarithlogic(3) - CVIPtools core toolbox library for arithmetic and logical functions
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libband(3) - CVIPtools toolkit library for the data handling of multi-spectral imagery
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libcolor(3) - CVIPtools core toolbox library containing routines related to color transforms
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libcompress(3) - CVIPtools core toolbox library for image compression and decompression routines
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libconverter(3) - CVIPtools core toolbox library containing routines for image file I/O and format conversion
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libdisplay(3) - CVIPtools core toolbox library for displaying images
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libfeature(3) - CVIPtools core toolbox library for feature extraction routines
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libgeometry(3) - CVIPtools core toolbox library for geometric manipulations
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libhisto(3) - CVIPtools core toolbox library for histogram manipulation
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libimage(3) - CVIPtools toolkit library containing routines for image type conversion, memory management, etc.
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libio(3) - CVIPtools toolkit library for general purpose I/O, memory management, etc.
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libmanager(3) - CVIPtools toolkit library for object management/handling
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libmap(3) - CVIPtools toolkit library containing utilities for mapping data and manipulating data sets
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libmatrix(3) - CVIPtools toolkit library for numerical analysis/linear algebra and matrix manipulation
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libmorph(3) - CVIPtools core toolbox library for morphology
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libnoise(3) - CVIPtools core toolbox library for noise generation
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libobject(3) - CVIPtools toolkit library for object analysis and identification
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libpbm(3) - functions to support portable bitmap programs
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libpgm(3) - functions to support portable graymap programs
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libpnm(3) - functions to support portable anymap programs
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libppm(3) - functions to support portable pixmap programs
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libroi(3) - CVIPtools toolkit library for region/area of interest designation, manipulation of an image
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libsegment(3) - CVIPtools core toolbox library for segmentation
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libspatialfilter(3) - CVIPtools core toolbox library for spatial filtering, includes edge detectors and hough transform.
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libtransform(3) - CVIPtools core toolbox library for 2-D transforms
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libvector(3) - CVIPtools toolkit library for performing vector algebra and manipulation
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libxformfilter(3) - CVIPtools core toolbox library for two-dimensional transform-domain filtering
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linxform(3) - linear transform on a set of band vectors
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local_histeq(3) - performs histogram equalization on block-by-block basis
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lum_average(3) - creates a grayscale from a multiband image
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luminance_Image(3) - creates a grayscale image from a color image
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mag_Matrix(3) - calculate the magnitude of a matrix.
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make_histogram(3) - creates an image from a histogram
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maximum_filter(3) - typically applied to an image to remove negative outlier noise.
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mean_filter(3) - filtering operation used on an image to remove short tailed noise such as uniform and gaussian noises.
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mean_test(3) - function used to set criteria for split_and_merge routine
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median_cut_segment(3) - function to map 24-bits-per-pixel images to 2-bits-per-pixel
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median_filter(3) - a fast median filter using the histogram method.
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mesh_to_file(3) - save a mesh structure to a file
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mesh_warping(3) - mesh_warp an image, with regular or irregular input and output mesh.
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mesh_warping_ri(3) - mesh_warp an image, with regular or irregular input and output mesh.
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mesh_warping_setup(3) - mesh_warp an image, with regular or irregular input and output mesh.
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midpoint_filter(3) - typically used to filter images containing short tailed noise such as Gaussian and uniform noises.
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minimum_filter(3) - typically applied to an image to remove positive outlier noise.
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mmse_filter(3) - Adaptive Minimum Mean Squared Error Filter
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morphIterMod_Image(3) - performs iterative morphological modification
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morpho(3) - higher level function performing iterative morphological modification based on morphIterMod_Image
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multiply_Image(3) - multiplies two images
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neg_exp_noise(3) - Add Negative Exponential noise to an image
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new_ext(3) - replaces a file extension
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nonfft_xformfilter(3) - arrange frequency filter for use with various transforms
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not_Image(3) - performs logical NOT on an image
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notch(3) - performs a selective notch filter
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or_Image(3) - performs logical OR of two images
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orientation(3) - calculates axis of least second moment
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parametric_wiener(3) - performs a parametric wiener filter
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pct(3) - performs the principal components transform.
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pct_median_segment(3) - a segmentation algorithm for color images based on PCT and median_cut
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perimeter(3) - calculates a binary object's perimeter
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power_spect_eq(3) - performs wiener filtering
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predicate_test(3) - function used to set criteria for split_merge_generic routine
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print_mesh(3) - print the data of a mesh structure to the screen
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prog(3) -
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projection(3) - calculates horizontal and vertical projections of a size_normalized object of interest
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pseudocol_freq(3) - creates pseudo-color image
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quadtree2ras(3) - create an image structure from a quad tree
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raster_deblur_filter(3) - corrects raster-scan error
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rayleigh_noise(3) - Add Rayleigh noise to an image
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read_Image(3) - loads an Image structure with data from the specified image file
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regular_mesh(3) - create a regular mesh corresponding to a given mesh and a given image
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remap_Image(3) - maps data into a range
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rms_error(3) - computes the rms error between two images
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rotate(3) - rotates an image
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rst_invariant(3) - calculates seven rst-invariant features
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sct_split_segment(3) - performs Spherical Coordinate Transform segmentation
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setDisplay_Image(3) - function suites for displaying an image by executing a shell command or internal function call
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setUpLabel_Objects(3) - calls object labeling
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showMax_histogram(3) - function used by histogram_spec to display histogram statistics
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shrink(3) - reduces the image size
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simple_wiener(3) - performs a practical wiener filter
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single_filter(3) - performs single filter
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smooth_filter(3) - an averaging filter for image smoothing
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snr(3) - computes the rms error between two images
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solve_c(3) - solves the bilinear equation
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spatial_quant(3) - reduces the image size by one of three methods
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specify_filter(3) - create convolution mask
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speckle_noise(3) - Add speckle noise to an image
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spectral_feature(3) - calculates total power spectrum in each ring and sector over half image
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spher_inv_xform(3) - spherical inverse transfor
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split_merge_segment(3) - Setup for Split and Merge Segmentation
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sqrt_Matrix(3) - computes the square root of a matrix.
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square_mag_Matrix(3) - calculate the squared magnitude of a matrix.
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subtract_Image(3) - subtracts two images
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texture(3) - Texture Feature Extraction
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thinness(3) - calculates thinness ratio
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threshold_segment(3) - performs a binary threshold on an image
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translate(3) - moves the entire image or a part of the image
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uniform_noise(3) - Add uniform noise to an image
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unsharp_filter(3) - performs unsharp masking
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view_Image(3) - choose the appropriate viewer and displays an image
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walhad_transform(3) - performs Walsh or Hadamard transform
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wavdaub4_transform(3) - performs a Daubechies wavelet transform
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wavhaar_transform(3) - performs Haar wavelet transform
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wiener(3) - performs wiener filtering
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write_Image(3) - writes the contents of a CVIP Image structure out to disk
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xor_Image(3) - performs logical XOR of two images
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zon2_compress(3) - compress and uncompress an image using zonal coding
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zon2_decompress(3) - compress and uncompress an image using zonal coding
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zon_compress(3) - compress and decompress an image using zonal coding
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zon_decompress(3) - compress and decompress an image using zonal coding
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zoom(3) - Enlarges a user-defined image area up to 10 times
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zvl_compress(3) - performs Ziv-Lempel compression