This course provides an introduction to biometrics, the science of using physical characteristics to identify individuals. It covers the fundamentals of biometrics, including the different types of biometric systems, how they work, and the advantages and disadvantages of using biometrics for identification
From Wikipedia
Biometrics are body measurements and calculations related to human characteristics and features. Biometric authentication is used in computer science as a form of identification and access control. It is also used to identify individuals in groups that are under surveillance.