Thresholding based on improved two-dimensional cross entropy and Tent-map PSO
WU Yi-quan, WU Shi-hua, ZHAN Bi-chao, ZHANG Xiao-jie, ZHANG Sheng-wei
Journal of Systems Engineering and Electronics . 2012, (3): 603 -609 .  DOI: 10.3969/j.issn.1001-506X.2012.03.32