Title	An Auto-Focusing Method for Different Object Distance Situation
Author	Quan Feng, Ke Han, Xiu-chang Zhu
Citation	Vol. 7  No. 6  pp. 31-35
Keywords	Auto-focusing, Image processing, Evaluation function, Gray gradient

Title	An automatic Clustering Method based on Maximum Distance
Author	Hongbo Zhou, Yongqiang Feng, Juntao Gao
Citation	Vol. 15  No. 4  pp. 40-43
Keywords	Euclidean distance, cluster center, maximum distance principle, minimum distance principle, distance evaluation function