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학술지 Tiny and Blurred Face Alignment for Long Distance Face Recognition
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저자
반규대, 이재연, 김도형, 김재홍, 정연구
발행일
201104
출처
ETRI Journal, v.33 no.2, pp.251-258
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.11.1510.0022
협약과제
09IC1800, u-로봇 HRI 솔루션 및 핵심 소자 기술 개발, 황대환
초록
Applying face alignment after face detection exerts a heavy influence on face recognition. Many researchers have recently investigated face alignment using databases collected from images taken at close distances and with low magnification. However, in the cases of home-service robots, captured images generally are of low resolution and low quality. Therefore, previous face alignment research, such as eye detection, is not appropriate for robot environments. The main purpose of this paper is to provide a new and effective approach in the alignment of small and blurred faces. We propose a face alignment method using the confidence value of Real-AdaBoost with a modified census transform feature. We also evaluate the face recognition system to compare the proposed face alignment module with those of other systems. Experimental results show that the proposed method has a high recognition rate, higher than face alignment methods using a manually-marked eye position. © 2011 ETRI.
키워드
Face alignment, Face detection, Face recognition, Human robot interaction
KSP 제안 키워드
Alignment method, Census Transform, Confidence value, Face Recognition system, Face detection, Human-Robot Interaction(HRI), Long-distance, Low quality, Real-Adaboost, Recognition rate, Service robots