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Illumination Invariant Object Tracking with Adaptive Sparse Representation
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  • Illumination Invariant Object Tracking with Adaptive Sparse Representation
  • Illumination Invariant Object Tracking with Adaptive Sparse Representation
저자명
Nhat. Vo Quang,Lee. Gueesang
간행물명
International Journal of Control, Automation and Systems
권/호정보
2014년|12권 1호|pp.195-201 (7 pages)
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제어로봇시스템학회
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Since the introduction of the sparse representation-based tracking method named ${ell}_1$ tracker, there have been further studies into this tracking framework with promised results in challenging video sequences. However, in the situation of large illumination changes and shadow casting, the tracked object cannot be modeled efficiently by sparse representation templates. To overcome this problem, we propose a new illumination invariant tracker based on photometric normalization techniques and the sparse representation framework. With photometric normalization methods, we designed a new illumination invariant template presentation for tracking that eliminates the illumination influences, such as brightness variation and shadow casting. For a higher tracking accuracy, we introduced a strategy that adaptively selects the optimum template presentation at the update step of the tracking process. The experiments show that our approach outperforms the previous ${ell}_1$ and some state-of-the-art algorithms in tracking sequences with severe illumination effects.