生物特征的自动识别技术得到广泛研究与开发，如指纹识别、掌形识别等。人脸识别是基于脸像的身份鉴别，-Automatic biometric identification technology is widely research and development, such as fingerprint recognition, hand geometry identification. Face recognition is based on the identity of the face su

本文介绍了，生物概念以及生物识别几大类：指纹识别、手掌几何识别、视网膜识别、声音识别、静脉识别、步态识别。-This article describes the biological concept and biometric categories: fingerprint recognition, hand geometry recognition, retina recognition, voice recognition, vein recognition, gait recognitio