Identity verification becomes a challenging task when it has to be automated with high accuracy and non-repudiability. Existing automatic verification methods such as passwords and credit cards are vulnerable to misuse and fraud. Automated biometrics-based authentication methods solve these problems by providing a strong guarantee of the user's identity. In this tutorial, we present an overview of the fast-developing and exciting area of automated biometrics. Several popular biometrics including fingerprint, face and iris are reviewed, and an introduction to accuracy evaluation methods is presented.
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