5Solso Robert L, MacLin Kimberly M, MacLin Otto H. Cognitive psychology [ M 1.7th ed. Beijing: Peking University Press ,2005 : 104-139.
6Jain A K, Duin Robert P W, Mao Jian-chang. Statistical pattern recognition a review [ J ]. IEEE Transaction on Pattern Analysis and Machine Intelligence,2000,22( 1 ) : 4-37.
7熊金城.点集拓扑学讲义[M].第3版.北京:高等教育出版社,2004:30-153.
8Munkres James R. Topology [ M ]. 2nd ed. Beijing: Machine Industry Press,2004:75-187.
9Wang Gwo-en, Wang Jhing-fa. A multi-layer classifier for recognition of unconstrained handwritten numerals [ C]// Proceedings of the Third International Conference on Document Analysis and Recognition. Montreal: IEEE, 1995:849-852.