Lei Li, Qiqing Guo, Dandan Gu. An Adaptive Image Enhancement Method Based on Contourlet Transform and Improved Ant Colony Algorithm. In Yanning Zhang, Zhi-Hua Zhou, Changshui Zhang, Ying Li, editors, Intelligent Science and Intelligent Data Engineering - Second Sino-foreign-interchange Workshop, IScIDE 2011, Xi'an, China, October 23-25, 2011, Revised Selected Papers. Volume 7202 of Lecture Notes in Computer Science, pages 434-441, Springer, 2011. [doi]