@InProceedings{Bo_05, 
author = {X. Liu, B. Sun, S.B. Kang and H.-Y. Shum},
title = {Directional Histogram Model for Three Dimensional Shape Similarity},
booktitle = {Conf. on Computer Vision and Pattern Recognition 2003},
volume = {I},
pages = {813-820},
month = {June},
year = {2003}
}