i must admit that i am not an expert at dithering. i have made improvements to Briksaic so it gives more accurate results. i took the CameronDiaz picture and ran it through Bricksaic to compare the results with Maarten's results. Though they are not (...) (20 years ago, 13-Jan-05, to lugnet.build.mosaic, FTX)
I forgot to make one very important remark: Not everybody uses the same RGB colour values: this may lead to entirely different results, even if the same algorythm was used. Sometimes it seems better to alter the RGB values slightly. I thought of (...) (20 years ago, 13-Jan-05, to lugnet.build.mosaic)