contrast

Purpose

Gray scale colormap for contrast enhancement.

Synopsis

cmap = contrast(X,m)
cmap = contrast(X)

Description

cmap = contrast(X,m), where X is a matrix of indices into the current colormap, returns the gray scale colormap cmap. cmap is a matrix with m rows and three identical columns such that the bins of a histogram for

image(X)
colormap(cmap)
have an approximately equal intensity distribution. The default value for m is 64.

Examples

See Also

brighten, gray

(c) Copyright 1994 by The MathWorks, Inc.