ADAPT_HIST_EQUAL - Perform adaptive histogram equalization
BANDPASS_FILTER - Apply a bandpass filter to a one-channel image.
BANDREJECT_FILTER - Apply a band reject filter on a one-channel image.
BUTTERWORTH - Return the absolute value of the low-pass Butterworth kernel.
BYTSCL - Scale all values of an array into range of bytes.
CANNY - Perform the Canny edge-detection algorithm.
CONVOL - Convolve two vectors or arrays.
DIGITAL_FILTER - Calculate coefficients of a non-recursive, digital filter.
ESTIMATOR_FILTER - Apply an order statistic noise-reduction filter to an image.
FFT - Return the Fast Fourier Transform of an array.
HILBERT - Construct a Hilbert transform.
HIST_EQUAL - Histogram-equalize an image.
IR_FILTER - Perform the infinite or finite impulse response filter on data.
LEAST_SQUARES_FILTER - Reduces degradation and noise in an image.
LEEFILT - Perform the Lee filter algorithm on an image array.
MEAN_FILTER - Apply mean filter noise reduction on a one- or multi-channel image.
MEDIAN - Return the median value of Array or applies a median filter.
ROBERTS - Return an approximation of Roberts edge enhancement.
SMOOTH - Smooth with a boxcar average.
SOBEL - Return an approximation of Sobel edge enhancement.
UNSHARP_MASK - Perform an unsharp-mask sharpening filter.
WIENER_FILTER - Reduce degradation and noise in an image.
DEFROI - Defines an irregular region of interest of an image. (Direct Graphics)
HISTOGRAM - Computes the density function of an array.
HOUGH - Return the Hough transform of an image.
IMAGE_STATISTICS - Compute sample statistics for a given array of values.
IMAGE_THRESHOLD - Generate a threshold value for an image.
ISOCONTOUR - Perform a contouring algorithm.
ISOSURFACE - Return topologically consistent triangles by using oriented tetrahedral decomposition.
LABEL_REGION - Label regions (blobs) of a bi-level image.
MEDIAN - Return the median value of Array or applies a median filter.
PROFILES Procedure - Interactively examines image profiles.
RADON - Return the Radon transform of an image.
REGION_GROW - Perform region growing.
SEARCH2D - Finds objects or regions of similar data within a 2D array.
THIN - Return the skeleton of a bi-level image.
UNIQ - Return subscripts of the unique elements in an array.
WATERSHED - Apply the morphological watershed operator to a grayscale image.
WHERE - Return subscripts of nonzero array elements.
DISSOLVE - Provides a digital “dissolve” effect for images.
IDLgrImage - Create an image object.
IDLgrPalette - An object that contains a red-green-blue color lookup table.
SMOOTH - Creates a scrolling graphics window for examining large images.
TV - Displays an image. To scale and display the image, use TVSCL. (Direct Graphics)
TVCRS - Manipulates the image display cursor. (Direct Graphics)
TVLCT - Loads display color tables. (Direct Graphics)
TVSCL - Scales and displays an image. (Direct Graphics)
ZOOM - Zooms portions of the display. (Direct Graphics)
ZOOM_24 - Zooms portions of true-color (24-bit) display. (Direct Graphics)
CONGRID - Resamples an image to any dimensions.
EXPAND - Shrinks/expands image using bilinear interpolation.
EXTRAC - Return sub-matrix of input array. Array operators (e.g., * and :) should usually be used instead.
INTERPOLATE - Return an array of interpolates.
INVERT - Computes the inverse of a square array.
POLY_2D - Perform polynomial warping of images.
POLYWARP - Perform polynomial spatial warping.
REBIN - Resizes a vector or array by integer multiples.
REFORM - Changes array dimensions without changing the total number of elements.
REVERSE - Reverses the order of one dimension of an array.
ROT - Rotates an image by any amount.
ROTATE - Rotates/transposes an array in multiples of 90 degrees.
SHIFT - Shifts elements of vectors or arrays by a specified number of elements.
TRANSPOSE - Transposes an array.
WARP_TRI - Warps an image using control points.
DILATE - Implements morphologic dilation operator on binary and grayscale images.
ERODE - Implements the erosion operator on binary and grayscale images and vectors.
LABEL_REGION - Labels regions (blobs) of a bi-level image.
MORPH_CLOSE - Apply closing operator to binary or grayscale image.
MORPH_DISTANCE - Estimates N-dimensional distance maps, which contain for each foreground pixel the distance to the nearest background pixel, using a given norm.
MORPH_GRADIENT - Apply the morphological gradient operator to a grayscale image.
MORPH_HITORMISS - Apply the hit-or-miss operator to a binary image.
MORPH_OPEN - Apply the opening operator to a binary or grayscale image.
MORPH_THIN - Perform a thinning operation on binary images.
MORPH_TOPHAT - Apply top-hat operator to a grayscale image.
WATERSHED - Apply the morphological watershed operator to a grayscale image.
CW_DEFROI - Creates compound widget used to define region of interest. (Direct Graphics)
DEFROI - Defines an irregular region of interest of an image. (Direct Graphics)
DRAW_ROI - Draws region or group of regions to current Direct Graphics device. (Direct Graphics)
IDLanROI - Represents a region of interest used for analysis.
IDLanROIGroup - Analytical representation of a group of regions of interest.
IDLgrROI - Object graphics representation of a region of interest.
IDLgrROIGroup - Object Graphics representation of a group of regions of interest.
LABEL_REGION - Labels regions (blobs) of a bi-level image.
REGION_GROW - Grows an initial region to include all areas that match specified constraints.
XROI - Utility for defining regions of interest, and obtaining geometry and statistical data about these ROIs.