On a Lip Print Recognition by the Pattern Kernel with Multi-resolution Architecture

  • Jin Ok Kim
  • Kyong Seok Baik
  • Chin Hyun Chung
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2690)


Biometric systems are forms of technology that use unique human physical characteristics to automatically identify a person. They have sensors to pick up some 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 recognition of other human physical attributes such as the fingerprint, voice patterns, retinal blood vessel patterns, or the face. The 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 the 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. The 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.


Input Image Recognition Rate Recognition System Biometric System False Acceptance Rate 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Jin Ok Kim
    • 1
  • Kyong Seok Baik
    • 2
  • Chin Hyun Chung
    • 2
  1. 1.School of Information and Communication EngineeringSungkyunkwan UniversitySuwon, Kyunggi-doKOREA
  2. 2.Department of Information and Control EngineeringKwangwoon UniversitySeoulKOREA

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