Rasterschmalen
Rasterschmalen is a term used in digital imaging and computer graphics to describe the process of reducing the number of distinct colors in an image while attempting to maintain the visual appearance of the original. This is often done to decrease file size or to make an image compatible with displays or devices that have limited color capabilities. The core idea is to map the colors present in the original image to a smaller, predefined palette of colors.
There are several algorithms used for rasterschmalen. One common method is dithering, where strategically placed pixels