image_rgb_to_gray_test, a MATLAB code which calls image_rgb_to_gray(), which creates a grayscale version of an RGB image.
The computer code and data files described and made available on this web page are distributed under the MIT license
image_rgb_to_gray, matlab programs which make a grayscale version of an RGB image.
CONJUNCTION is an astronomical image.
STAR_FIELD is an astronomical image.