@INCOLLECTION{ Paeth90,author = {A. W. Paeth}, editor = {A. S. Glassner}, year = 1990, title = {Mapping {RGB} {Triples} {Onto} {Four} {Bits}}, booktitle = {Graphics Gems}, pages = {233--245, 718}, publisher = {Academic Press Professional}, address = {Cambridge, MA}, comments = {color quantization for 16-color palettes}, theme = {espacescouleur,discretisation,codage,quantification}}