This forum is disabled, please visit https://forum.opencv.org
 | 1 | initial version |
A RGB image is nothing else than a grayscale image with 3 channels which are interpreted as red, green and blue. So in many cases analysing RGB image won't give you more informations than analysing grayscale image, but analysing grayscale image is about 3 times faster. If you want to measure chromatic aberrations, for example, you can't use only grayscale image, but for many other cases you can.
