Rough Entropy for Image Segmentation Based on Approximation Sets and Particle Swarm Optimization
YAO Longyang, ZHANG Qinghua, HU Shuaipeng1, ZHANG Qiang
Journal of Frontiers of Computer Science and Technology . 2016, (5): 699 -708 .  DOI: 10.3778/j.issn.1673-9418.1506016