Towards an Integrated Biometric Technique

Abstract

A biometric system is basically a pattern recognition system. Biometrics based user authentication system serve as a reliable means for meeting the challenges in today"s world of information and network security. It has gained enormous interest by scientists and researchers. Unimodal biometric systems that employ only a single biometric trait fails to achieve the desired security levels. Even the best unimodal biometric system suffers from various problems. To overcome these issues, we propose a multi-modal biometric system which employs iris and hand-geometry biometric traits. The iris patterns of human eye are very complex and random. It is almost impossible for an imposter to imitate them. Handgeometry measurements are not so distinctive and hence are used only for verification purpose. By combining them with other biometric trait like iris, a more secure multi-biometric security system can be obtained for verification as well as identification purpose. In this paper we will present a brief introduction about unimodal biometric systems, need for biometrics integration, various integration levels, types of multi-biometric systems and some previous research work. In the last section (7 th ), we have presented our proposed multibiometric system.

Multi-Biometric Systems: A State of the Art Survey and Research Directions

“…The multi-biometric system is expected to be more accuracy and reliability due to the multiple, biometric traits independency, and difficult to forge all of them [5,10]. As the combination of each of the biometric identifiers offers some additional evidence about the authenticity of an identity claim, one can have more confidence in the result.…”

“…They allow indexing or filtering of large biometric databases, and are robust to noise. Thus, it provides universal coverage and improves matching accuracy [10,15,26].…”

“…These problems lead to higher False Reject Rate (FRR) and False Accept Rate (FAR) [4,10,23] as will be shown later in quality metrics, in section 5.…”

“…Consequently, it is now needed in many fields such as surveillance systems, security systems, physical buildings [8]. Other applications of biometrics systems include [9,10]: access control (access to computer networks), forensic investigations, verification and authentication, e-commerce, online banking, border control, parenthood determination, medical records management, welfare disbursement and security monitoring. Biometrics applications increased dramatically in functionality in many more fields.…”

“…In the most general definition, "Biometric technologies" is defined as an automated methods of verifying and/or recognizing the identity of a living individual based on two categories : (1) Physiological biometrics include (Facial, hand and hand vein infrared thermogram, Odor, Ear, Hand and finger geometry, Fingerprint, Face, Retina, Iris, Palm print, Voice, and DNA) [10], and (2) Behavioral biometrics like (Gait, Keystroke, Signature) which measure the human actions [8]. Also, human electrocardiogram (ECG) signal is considered one of Biometric features used in individual recognition and authentication [11].…”