Lip print recognition for security systems by multi-resolution architecture

  • Authors:

  • Jin Ok Kim;Woongjae Lee;Jun Hwang;Kyong Seok Baik;Chin Hyun Chung

  • Affiliations:

  • School of Information and Communication Engineering, Sungkyunkwan University, Suwon, Kyunggi-do 440-746, South Korea;Division of Information and Communication Engineering, Seoul Women's University, Seoul 139-774, South Korea;Division of Information and Communication Engineering, Seoul Women's University, Seoul 139-774, South Korea;Department of Information and Control Engineering, Kwangwoon University, Seoul 139-701, South Korea;Department of Information and Control Engineering, Kwangwoon University, Seoul 139-701, South Korea

  • Venue:
  • Future Generation Computer Systems - Special issue: Modeling and simulation in supercomputing and telecommunications
  • Year:
  • 2004

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Abstract

Biometric systems are forms of technology that use unique human physical characteristics to automatically identify individuals. They have sensors to pick up physical characteristics, convert them into digital patterns, and compare them with patterns stored for individual identification. However, lip print recognition has been less developed than the recognition of other human physical attributes such as the fingerprint, voice patterns, retinal blood vessel patterns, or the face. Lip print recognition by a CCD camera has the merit of being linked with other recognition systems such as the retinal/iris eye and the face. A new method using multi-resolution architecture is proposed to recognize a lip print from pattern kernels. A set of pattern kernels is a function of some local lip print masks. This function converts the information from a lip print into digital data. Recognition in the multi-resolution system is more reliable than recognition in the single-resolution system. Multi-resolution architecture allows us to reduce the false recognition rate from 15 to 4.7%. This paper shows that a lip print is sufficiently used by the measurements of biometric systems.