Fundamentals of Biometric Technology
This chapter presents the basic concept of the biometric authentication technology. This chapter is organized as follows. Sections 1.1 and 1.2 will give the definition of biometric technology and some major applications. The different operation modes of a biometric system will be discussed in Section 1.3. The concept of biometric data indexing will be given in Section 1.4. The different metrics for a biometric system are defined in Section 1.5. A brief overview of the different biometric modalities will be presented in Section 1.6. Section 1.7 will present a comparative study of the different biometric modalities. Finally, Section 1.8 will summarize the chapter.