@inproceedings{ICPR-1996-ShioyamaJ,
	author        = "Tadayoshi Shioyama and Wen Biao Jiang",
	booktitle     = "{Proceedings of the 13th International Conference on Pattern Recognition}",
	doi           = "10.1109/ICPR.1996.546050",
	isbn          = "0-8186-7282-X",
	pages         = "364--368",
	publisher     = "{IEEE Computer Society}",
	title         = "{Numerical 3-D shape inference from shading with new type of constraint}",
	year          = 1996,
}