RGB2GS - RGB to gray scale

• Convert RGB image to gray scale image.
• <m>f = 0.299R+0.587G+0.114B</m>

% RGB to GrayScale
function [gs]=RGB2GS(rgb)
 
% GS = 0.299R+0.587G+0.114B
gs = 0.299*rgb(:,:,1)+0.587*rgb(:,:,2)+0.114*rgb(:,:,3);
 
return;