Takes as an input an RGB image (or the name/path of an RGB image) and creates a figure in which you can see side-by-side the original, the grayscale (RGB2GRAY), and the individual R,G, and B color planes.



Advanced mode also displays some colorspace conversions (HSV, YCbCr, L*a*b*) of the image.



Click on any image to expand it (requires expandAxes) and then right-click to export image to base workspace.



This is a very simple but useful utility for deciding, for instance, how you want to process/segment a color image.