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摘要
The similarity idea and some corresponding method are introduced into 2D graphic recognition and understanding, and the basic principle and approaches of 2D graphic similarity are systematically provided. The premise of this paper is established on the following facts, that similarity among different graphic existed in many aspects, such as, topology structure similarity, geometry shape similarity, express function similarity, and so forth. As to the same similarity features, the similarity can be further separated out from each other according to their different similarity degrees. The basic principle and methods of graphic similarity are discussed. The experimental results show that some improvements are obtained by using this method, such as the pattern recognition scope, the speed of pattern searching and matching, etc. Furthermore, the new algorithm has stronger flexibility and stability compared with those traditional ones.
- 出版日期2002
- 单位浙江大学
