Unimodal and Multimodal Biometric Data Indexing

Chapter 2

Multimodal Biometric and Fusion Technology

This chapter presents the basic concept of multimodal biometric and the different fusion rules in the different fusion levels. The chapter is organized as follows. Section 2.1 will give the idea of multimodal biometric and advantages of using multiple biometrics. The concept of fusion and the different levels of fusion will be discussed in Section 2.2 and 2.3. The different fusion rules will be described in Section 2.4. A comparison of the different fusion rules at the different fusion levels will be presented in Section 2.5. Section 2.6 will summarize the chapter.

2.1 Multimodal Biometric Authentication Technology

In multimodal biometric authentication, multiple modalities are used for person ...