@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}
 }