Overview: Includes discussions on popular 3D imaging technologies, combines them with biometric applications, and then presents real 3D biometric systems.Introduces many efficient 3D feature extraction, matchinAutomatic personal authentication using biometric information is becoming more essential in applications of public security, access control, forensics, banking, etc. Many kinds of biometric authentication techniques have been developed based on different biometric characteristics. However, most of the physical biometric recognition techniques are based on two dimensional (2D) images, des
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