@inproceedings{CASE-2006-KwokHLF,
	author        = "Ngai Ming Kwok and Quang Phuc Ha and Dikai Liu and Gu Fang",
	booktitle     = "{Proceedings of the Second International Conference on Automation Science and Engineering}",
	doi           = "10.1109/COASE.2006.326849",
	isbn          = "1-4244-0310-3",
	pages         = "21--26",
	publisher     = "{IEEE}",
	title         = "{Intensity-Preserving Contrast Enhancement for Gray-Level Images using Multi-objective Particle Swarm Optimization}",
	year          = 2006,
}