histeq {IM} | R Documentation |
Perform histogram equalization on an image.
histeq(I)
I |
A matrix or numeric array representation of an image. |
An image of equal dimensions to the input, with histogram equalization applied to all color channels.
Tan Dang
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)