@article{Balasubramian91-JIT,

author={R. Balasubramian and J. Allebach},
title={A new approach to palette selection for color images},
journal={Journal of Imaging Technology},
volume={17},
year={1991},
pages={284-290},
month={Dec.},
number={6},
comments = {vector quantization using pairwise nearest neighbor algorithm
and k- dimensional trees},
theme = {compression,quantification,mapping}
 }