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color halftoning, error diffusion, minimal brightness variation criterion Error Diffusion is a high-performance halftoning method in which quanitization errors are diffused to "future" pixels. Originally intended for grayscale images, it is traditionally extended to color images by Error-Diffusing each of the three color planes independently (separable Error Diffusion). In this report we show that adding to the Error Diffusion paradigm a simple design rule which is based on certaindoi:10.1117/12.334589 dblp:conf/clrimg/ShakedAFS99 fatcat:jka2krdvy5d6feix2nrhz4wknu