@INPROCEEDINGS{Tao97,

author = {H. Tao and T.S. Huang},
year = 1997,
title = {Color Image Edge Detection Using Cluster Analysis},
booktitle = {Proceedings of the {IEEE} International Conference on Image
Processing - {ICIP'97}},
volume = 1,
pages = {834-836},
theme = {segmentation+contour}
 }