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imgexp - expand the range of pixel values in an image.
/usr/sbin/imgexp
inimage outimage [min max]
imgexp expands the range of pixel
values in an image. Pixel values less than or equal to min are mapped to
0, while pixel values greater than or equal to max are mapped to 255. If
min and max are not provided on the command line, then the minimum and
maximum pixel values in the image are used. This can be used to manipulate
the contrast of images.
hist(6D)
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