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New MCT-based Face Recognition under Varying Lighting Conditions
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  • New MCT-based Face Recognition under Varying Lighting Conditions
  • New MCT-based Face Recognition under Varying Lighting Conditions
저자명
Park. Sue-Kyeong,Sim. Dong-Gyu
간행물명
International Journal of Control, Automation and Systems
권/호정보
2011년|9권 3호|pp.542-549 (8 pages)
발행정보
제어로봇시스템학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

This paper presents a new face recognition algorithm that is insensitive to variations in lighting conditions. In the proposed algorithm, the MCT (Modified Census Transform) was embedded to extract the local facial features that are invariant under illumination changes. In this study, we also employed an appearance-based method to incorporate both local and global features. First, input facial images are transformed by the MCT and a bit string from the MCT is converted to a decimal number to generate an MCT domain image. This domain image is recognized using principle component analysis (PCA) or linear discriminate analysis (LDA). Experimental results reveal that the recognition rate of the proposed approach is better than that of conventional appearance-based algorithms by approximately 20% for the Yale B database, in the case of severe variations in illumination conditions. We also found that the proposed algorithm yields better performance for the Yale database for various face expressions, eye-wear, and lighting conditions.