Although various color filter array (CFA) schemes appeared at the beginning of the image sensor to achieve color imaging, when the time comes, most image sensors still use the Bayer arrangement . What made Bayer Array have the last laugh? Can the multi-pixel arrangement, which has been widely used in the field of mobile image sensors recently with the wave of high pixels, become a new challenger? Atul Ingle: Assistant Professor in the Department of Computer Science at Portland State University.