IM (version 1.0)

histeq: Perform histogram equalization on an image.

Description

Perform histogram equalization on an image.

Usage

histeq(I)

Arguments

I

A matrix or numeric array representation of an image.

Value

An image of equal dimensions to the input, with histogram equalization applied to all color channels.

See Also

displayImg

Examples

	data(pirate);
	#perform histogram equalization
	img = histeq(img);
	#convert to grayscale
	img = rowSums(img, dims=2)/3;
	#rotate image 270 degrees so it appears upright
	img = rotate270(img);
	#set colors
	levels = seq(0,1,.0000001);
	g = gray(levels);
	## Not run: image(img,col=g)