Converts an RGB color model image to a YUV color model image. the RGB image the YUV image as if it were RGB (#out window assumes RGB) YUV split channel viewer click on yellow box before loading image a grid of pixels in RGB format : dim(..., 3). pixels in unsigned full-range YUV format. This means that normal black is (0 128 128) and normal white is (255 128 128). this grid is of the same size as the input.