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물체 특징과 실시간 학습 기반의 파티클 필터를 이용한이동 로봇에서의 강인한 물체 추적
이형호(Hyung-Ho Lee),최학남(Xuenan Cui),김형래(Hyoung-Rae Kim),마승완(Seong-Wan Ma),이재홍(Jae-Hong Lee),김학일(Hak-Il Kim) 제어로봇시스템학회 2012 제어·로봇·시스템학회 논문지 Vol.18 No.6
This paper proposes a robust object tracking algorithm using object features and on-line learning based particle filter for mobile robots. Mobile robots with a side-view camera have problems as camera jitter, illumination change, object shape variation and occlusion in variety environments. In order to overcome these problems, color histogram and HOG descriptor are fused for efficient representation of an object. Particle filter is used for robust object tracking with on-line learning method IPCA in non-linear environment. The validity of the proposed algorithm is revealed via experiments with DBs acquired in variety environment. The experiments show that the accuracy performance of particle filter using combined color and shape information associated with online learning (92.4 %) is more robust than that of particle filter using only color information (71.1 %) or particle filter using shape and color information without on-line learning (90.3 %).