The Encyclopedia of Biometrics provides a comprehensive reference to concepts, technologies, issues, and trends in the field of biometrics. The volume covers all important aspects – research, development, and applications, including biometric sensors and devices, methods and algorithms, sample quality, system design and implementation, databases, performance testing, information security, and standardization. Leading experts around the world contributed to this collection of over 200 in-depth essays accompanied by more than 600 definitional entries.

The focus of the encyclopedia is on immediate, yet comprehensive, information in an easy-to-use format which is accessible to researchers and scientists, system designers, engineers, programmers, students, practitioners, and government agents working in the broad field of biometrics. It is available as a print edition as well as a fully searchable version with extensive cross-referencing and updates as new trends and terms arise.

With an A–Z format, this encyclopedia provides easy access to relevant information on all aspects of biometrics. It features approximately 250 overview entries and 800 definitional entries. Each entry includes a definition, key words, list of synonyms, list of related entries, illustration(s), applications, and a bibliography. Most entries include useful literature references providing the reader with a portal to more detailed information.