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    • 15. 发明授权
    • Biometrics authentication method biometrics authentication device and blood vessel image reading device
    • 生物识别认证方法生物识别装置和血管图像读取装置
    • US07729518B2
    • 2010-06-01
    • US11347411
    • 2006-02-06
    • Kiyotaka AwatsuMasanori OhkoshiTakahiro Kudoh
    • Kiyotaka AwatsuMasanori OhkoshiTakahiro Kudoh
    • G06K9/00
    • G06K9/00G06K2009/00932
    • A biometrics authentication device, which uses blood vessel images of a human body to perform individual authentication, performs verification processing according to a detected body temperature. A temperature sensor, which detects the temperature of a body, is provided in a blood vessel image capture device. The temperature at the time of registration of a blood vessel image is stored together with the blood vessel image, and the temperature of the body at the time of use (at the time of verification) is detected; the temperature difference at the time of registration and at the time of use is reflected in the verification processing, and when there is a verification error, the cause of the verification error is judged from the temperatures at the time of registration and at the time of use. Whether a verification error is due to temperature can be easily distinguished.
    • 使用人体的血管图像进行个体认证的生物体认证装置根据检测到的体温进行验证处理。 在血管图像捕获装置中设置有检测身体温度的温度传感器。 将血管图像登记时的温度与血管图像一起存储,并且检测使用时(在验证时)的身体温度; 在登记时和使用时的温度差反映在验证处理中,并且当存在验证错误时,根据登记时的温度和在注册时的时间来判断验证错误的原因 使用。 验证错误是否由于温度造成的,可以很容易地区分出来。