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数学上把没有适当数学描述的信息结构称为模式。由于事物有清晰和模糊之分,所以,与之对应的模式亦有清晰和模糊的。统计模式识别方法是模式识别对清晰事物判识经常采用的方法。关于图象、指纹、票证等的识别则应用Fuzzy模式识别方法。 Fuzzy模式识别方法有直接方法和间接方法,直接方法应用于单个对象(元素)的识别;间接方法应用于模糊集合的识别。因此,这两种方法又称为个体识别和群体识别。在具体介绍方法之前,阐述一下Fuzzy模式识别的判识逻辑是必要的。
Mathematically, the structure of information that is not described in the appropriate mathematics is called a pattern. As things are clear and vague, the corresponding model is also clear and vague. Statistical pattern recognition method is often used in pattern recognition for clear things. The identification of images, fingerprints, tickets, etc. applies the Fuzzy pattern recognition method. The fuzzy pattern recognition method has direct method and indirect method. The direct method is applied to the identification of a single object (element). The indirect method is applied to the recognition of fuzzy sets. Therefore, these two methods are also called individual identification and group identification. Before describing the method in detail, it is necessary to explain the judgmental logic of Fuzzy pattern recognition.