Biometric Techniques: A Mini-Review

Introduction With the development of Engineering and Technology, it is becoming extremely important and critical to reduce the threats in privacy, personal safety and public security in 21st century. Biometrics is the technology of measuring and analyzing biological data of human subjects involved for person authentication or identification purposes. Its progress in recent years has brought in many civilian, military and government applications. It is believed that biometric technology is the most ideal solution to ensure the security and privacy of our personal information, and let us have confidence in identification systems [1]. Biometrics apply for different biological traits, such as fingerprints, irises, retinas, signatures, voices, faces, etc. (Figure 1) to recognize a person [2]. There are many debates about the merits and demerits of different biometric systems. This paper presents the description and advantages/disadvantages of the most popular ones listed in Table 1.