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The newly evolvement of wood recognition technology in China

REN Hong-e,GAO Jie,MA Yan(Northeast Forestry University,Heilongjiang Harbin 150040,China)  
This paper introduced the traditional method of wood recognition,including the methods of dichotomizing search list and punch card list.It summarized each method of wood recognition base on computer:the query method by data-base,the recognition method base on wood image,the wood classification method base on neural network and color features of wood surface,the wood identification method base on semantic data model,the wood identification method base on most similar principle and the research progress of wood cell model.In this paper the method of wood recognition based on numeric character parameters of wood section cell entity image was emphatically discussed.And also summarized the update and evolvement of wood recognition.The method of wood recognition based on numeric character parameters of wood section cell entity image could quicken largely the recognition and comparative calculative rate,and reduce the uncertainty that depended on the traditional experience method.
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