@inproceedings {pscheundsdbacker1997,
	title = {Joint quantization and error-diffusion of color images using competitive learning},
	booktitle = {Proc. IEEE Conference on Image Processing , Santa Barbara, 26-29 october},
	year = {1997},
	pages = {811-814},
	author = {Paul Scheunders and Steve De Backer}
}
