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Restoration of color-quantized images in which error diffusion is involved is rarely addressed in the literature. Conventional restoration algorithms were generally proposed for handling other noise models and hence they are not effective in restoring color-quantized images. In this paper, we tackle this problem by making use of the best linear estimation. It is shown by the simulation results that the algorithm can improve the quality of colorquantized images to a certain extent.doi:10.1109/icme.2006.262570 dblp:conf/icmcs/FungC06 fatcat:cdpb6272vbcgjnvllgeevtoj5m