Error diffusion is performed upon input image data. In one aspect, multiple error diffusion processing elements perform error diffusion on a selected pixel in parallel. In another aspect, the error diffusion logic is integrally formed with a fast local memory in the same electronic device, such as an...http://www.google.fr/patents/US7551323?utm_source=gb-gplus-shareBrevet US7551323 - Systems and methods for error diffusion
