Identity authentication method and system based on palm features

The invention discloses an identity authentication method based on palm features. The method comprises the steps of obtaining a palm print infrared image, a palm blood vessel infrared image and a palmdepth image of a palm of a current user; performing feature extraction and feature fusion on the palm print infrared image, the palm blood vessel infrared image and the palm depth image according toa preset palm recognition model to obtain a palm feature vector of the current user; and comparing the palm feature vector of the current user with a palm feature vector in a palm registration library, and determining an identity verification result of the current user according to a comparison result. Correspondingly, the invention further discloses an identity authentication system based on thepalm characteristics. According to the invention, the palm print and the palm print blood vessel are fused into the palm feature to realize active identification and authentication. 本发明公开了一种基于手掌特征的身份认证方法，所述方法包括：获取当前用户的手掌的掌纹红外线图