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ADAPT_HIST_EQUAL
| Performs adaptive histogram equalization |
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BANDPASS_FILTER
| Applies a bandpass filter to a one-channel image. |
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BANDREJECT_FILTER
| Applies a band reject filter on a one-channel image. |
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BYTSCL
| Scales all values of an array into range of bytes. |
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CONGRID
| Resamples an image to any dimensions. |
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DILATE
| Implements morphologic dilation operator on binary and grayscale images. |
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DISSOLVE
| Provides a digital 'dissolve' effect for images. |
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EDGE_DOG
| Applies the Difference of Gaussians filter to an image. |
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EMBOSS
| Generates an array containing difference values that represent edges in the original image. |
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ERODE
| Implements the erosion operator on binary and grayscale images and vectors. |
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ESTIMATOR_FILTER
| Applies an order statistic noise-reduction filter to a one-channel image. |
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EXPAND
| Shrinks/expands image using bilinear interpolation. |
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EXTRAC
| Returns sub-matrix of input array. Array operators (e.g., * and :) should usually be used instead. |
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GABOR_FILTER
| Reads full information from a Common Data Format file's variable. |
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GABOR_KERNEL
| Constructs a Gabor transform filter kernel, for use in the GABOR_FILTER routine. |
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HIST_EQUAL
| Histogram-equalizes an image. |
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HISTOGRAM
| Computes the density function of an array. |
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HOUGH
| Returns the Hough transform of a two-dimensional image. |
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IMAGE_THRESHOLD
| Generates a threshold value for an 8 or 16 bit image. |
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INTERPOLATE
| Returns an array of interpolates. |
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ISOCONTOUR
| Interprets the contouring algorithm found in the IDLgrContour object. |
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LAPLACIAN
| Applies a Laplacian operator to a 2D image array. |
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LEAST_SQUARES_FILTER
| Reduces degradation and noise in an image based on the mean and variance of the degradation and noise. |
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MEAN_FILTER
| Applies mean filter noise reduction on a one- or multi-channel image. |
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MORPH_CLOSE
| Applies closing operator to binary or grayscale image. |