Qinghan Xiao

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-For complex patterns such as fingerprints, it is difficult to describe the dactylotype by using a set of feature vectors, as well as to construct and parse all of the individual fingerprint pattern with a syntactical approach. In this paper, which is different from the conventional methods, we present an approach in which the statistical and structural(More)
  • Qinghan Xiao
  • Proceedings from the Sixth Annual IEEE SMC…
  • 2005
User authentication is fundamental to the protection of information systems. It is the first and most critical link in the security chain that restricts access to system and data resources to legitimate users only. The advantages of using biometrics to verify a person's identity over using passwords or tokens have been broadly presented. However, recent(More)
Radio frequency identification (RFID) technologies have been used by the military to gain in-transit visibility and improve inventory management. The advantages of using RFID to track assets over using barcode have been broadly recognized. However, recent research has proven that RFID is vulnerable to attacks. This brings a challenge at a time when RFID(More)
Facial recognition is one of the most studied topics in the field of biometrics because of its varied applications. Detection of dark colored faces and poorly illuminated faces are not well studied in the literature due to several challenges. The most critical challenge is that there is inadequate contrast among facial features. To overcome this challenge,(More)
With the increasing use of computers nowadays, information security is becoming an important issue for private companies and government organizations. Various security technologies have been developed, such as authentication, authorization, and auditing. However, once a user logs on, it is assumed that the system would be controlled by the same person. To(More)
Biometric and smart card technologies, which can be combined to create a digital identity for an individual, have recently received a great deal of attention. The biometric smart ID concept has been used by governments, financial institutions, and private companies worldwide to counter identity fraud in such applications as multi-purpose access cards, ATM(More)
Biometrics is the science of the measurement of unique human characteristics, both physical and behavioral. Various biometric technologies are available for identifying or verifying an individual by measuring fingerprint, hand, face, signature, voice, or a combination of these traits. This paper aims to assist readers as they consider biometric solutions by(More)
This paper presents a novel approach for fingerprint binarization. The motivation is to simulate the human exercise that distinguishes ridges from valleys in uniform areas. An algorithm for performing such a region generation on fingerprint images is presented, and a data structure for saving generated regions is developed. Thresholding and binarization is(More)