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BIOMETRIC AUTHENTICATION PROGRAM, BIOMETRIC AUTHENTICATION DEVICE, AND BIOMETRIC AUTHENTICATION METHOD

机译:生物特征认证程序,生物特征认证装置和生物特征认证方法

摘要

In the present invention, a biometric image capturing the biometrics of a user is acquired, the orientation of the biometrics in the biometric image is detected on the basis of the acquired biometric image, a template pattern is extracted that matches the orientation detected from a template pattern storage unit in which a plurality of template patterns are stored, feature information from the acquired biometric image is converted to the extracted biometric pattern, and the converted biometric pattern and the extracted template pattern are compared to authenticate the user, whereby correct biometric authentication can be performed even when the orientation of a hand being held up and the orientation of the imaging device differ between the time of registration and the time of authentication of vein data.
机译:在本发明中,获取捕获用户的生物特征的生物特征图像,基于获取的生物特征图像检测生物特征图像中的生物特征的方向,提取与从模板检测的方向匹配的模板图案。其中存储有多个模板图案的图案存储单元,将来自所获取的生物特征图像的特征信息转换为提取的生物特征图案,并且将转换的生物特征图案和提取的模板图案进行比较以认证用户,从而可以进行正确的生物特征认证即使在记录时间和静脉数据的认证时间之间握住手的方向和成像装置的方向不同的情况下,也可以执行该操作。

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