Title	A fast multi-level image segmentation method based on 2-D histogram using PSO
Author	Zeng Guowen, Hao Zhifeng, Yang Xiaowei, Wu Guangchao
Citation	Vol. 6  No. 1  pp. 126~135
Keywords	Multi-level thresholding, particle swarm optimization (PSO), 2-D threshold

Title	Chaos-particle Swarm Optimization Algorithm and Its Application to Urban Traffic Control
Author	DONG Chaojun, LIU Zhiyong, LIU Xian kun
Citation	Vol. 6  No. 1  pp. 97~101
Keywords	chaos-particle swarm optimization algorithm, logistic map, urban traffic control, average delay per vehicle, signal timing

Title	Particle Swarm in Binary CSPs with Dynamic Variable Ordering
Author	Qingyun Yang, Jigui Sun, Juyang Zhang
Citation	Vol. 6  No. 2  pp. 180~186
Keywords	Discrete Particle Swarm, Constraint Satisfaction Problem, Dynamic Variable Ordering

Title	A PSO-based Model for Assessment of Atmospheric Quality
Author	Limin Wang, Yanchun Liang, Ming Li, Xiaohu Shi, Xuming Han
Citation	Vol. 6  No. 3  pp. 76-79
Keywords	Particle swarm optimization, universal formula, pollution harm rate, assessment model.