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Then the shortcomings of fingerprint recognition--the most extensively used biological characteristic identity authentication method at present, was indicated. On this basis, a new biological characteristic identity authentication method--the hand vein recognition was proposed. Theoretical foundation and difficulty of hand vein recognition was analyzed. A new threshold segmentation method and match method of vein picture were proposed. 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articleAbstract=首先简要介绍了身份认证技术与生物特征识别,然后指出目前应用最广泛的生物特征身份认证方法———指纹识别的缺点和不足,在此基础上提出了一种新的生物特征身份认证方法———静脉识别。分析了静脉识别的理论依据、特点和难点,提出了一种新的图像阈值分割方法和静脉图像特征匹配方法,进行了特征匹配实验,得出了较好的实验效果。, authors=王科俊,丁宇航,王大振, authorsList=王科俊;丁宇航;王大振, authorCompany=哈尔滨工程大学自动化学院 哈尔滨, correspAuthors=null, authorNote=null, correspAuthorsNote=王科俊, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=EM4cFNaJ4kI8ML+TpHb4NA==, pdfFileSize=973440, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null)}, authors=[Author(id=1299812553115325016, tenantId=1146029695717560320, journalId=null, articleId=1242118168144052230, orderNo=null, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=null, email=null, 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