Multibiometric system is expected to meet strict performance requirements imposed by large-scale authentication systems. Handbook Multibiometrics, professional books, introducing multibiometric system, and demonstrates an important advantage of this system more than their unimodal counterparts. In addition, this book explains in detail the various scenarios possible when fusing biometric evidence from multiple sources of information. This comprehensive volume on the system multibiometric, concise and clearly outlines the different fusion methodologies that have been proposed by researchers to integrate multiple biometric traits.