Description:"Biometrics provide quantitative representations of human features, physiological and behavioral. This book presents a compilation of biometric technologies studied and developed at various research groups in Tecnologico de Monterrey. It starts by providing a summary of biometric systems as a whole; explaining the principles behind physiological and behavioral biometrics and exploring different types of commercial and experimental technologies, as well as current and future applications in the fields of security, military, criminology, healthcare, education, business, and marketing"--