@inproceedings{ICPR-2012-XuZY,
	author        = "Hongteng Xu and Guangtao Zhai and Xiaokang Yang",
	booktitle     = "{Proceedings of the 21st International Conference on Pattern Recognition}",
	isbn          = "978-1-4673-2216-4",
	pages         = "1981--1984",
	publisher     = "{IEEE Computer Society}",
	title         = "{No reference measurement of contrast distortion and optimal contrast enhancement}",
	year          = 2012,
}