@inproceedings{ICPR-v3-2000-OkataniD00a,
	author        = "Takayuki Okatani and Koichiro Deguchi",
	booktitle     = "{Proceedings of the 15th International Conference on Pattern Recognition, Volume 3}",
	doi           = "10.1109/ICPR.2000.903615",
	isbn          = "0-7695-0750-6",
	pages         = "3596--3599",
	publisher     = "{IEEE Computer Society}",
	title         = "{Estimation of Illumination Distribution Using a Specular Sphere}",
	year          = 2000,
}