@article{Puzicha00,

author={J. Puzicha and M. Held and J. Ketterer and J. M. Buhmann and D. W. Fellner},
title={On spatial quantization of color images},
journal={IEEE Trans. on Image Processing},
volume={9},
year={2000},
pages={666-682},
month={Apr.},
number={4},
theme = {compression,quantification}
 }