HISTEQ

Purpose:

Performs histogram equalization of an image.

HISTEQ(image, intflag)

image

An array, the input image.

intflag

Optional. An integer, cast result to integer values:

0:	No (default)
1:	Yes

An array.

W1: density(ravel(gsin(400, 1/400, 4), 20))

W2: histeq(W1)

returns an equalized image.

W1: density(ravel(readb("baboon.dat", ubyte), 128))

W2: histeq(W1)

equalizes the black & white mandrill image.

$image\histeqpic.gif$

HISTEQ expects an image of integer values.