.sp
.LP
These routines modify the histogram of an image or display the current
histogram of an image.
.SH
SHORT DESCRIPTION OF ROUTINES
.IP "Find Histogram -" 20
Compute the histogram of a gray-level image.
.IP "See Histogram -" 20
Determine a visible histogram of the gray-levels in a BYTE type image.
.IP "Equalize -" 20
Perform histogram equalization of a BYTE grey-level image.
.IP "Stretch -" 20
Perform histogram stretching of a BYTE grey-level image.
.IP "Enhance Patch -" 20
Equalize or stretch image contrast based on local histogram information.
.IP "Local Enhance -" 20
Enhance an image using the local standard deviation and mean.
.IP "Window Eq/Str Enhance -" 20
Enhance images using histogram stretch or equalization with 
overlapping windows.
