Edited by a panel of experts, it provides comprehensive coverage of: Multilinear discriminant analysis for signal recognition biometric authentication biometric identification techniques based on artificial neural networks and design Multimodal biometric fusion classifier for feature selection and model of aging facial biometrics for face recognition and statistical geometric models for face facial recognition video-based authentication and 3D Near-infrared based on fingerprint recognition and 3D hand geometry and iris recognition biometrics-based ECG Online Identification of signature-based authentication based on the theoretical approach to Information gait biometrics Biometrics biologically inspired methods and biometric-based encryption on electroencephalography and event related potentials - Biometrics: Theory, Methods, and Applications is an indispensable resource for researchers, security experts, policy makers, engineers, and graduate students.