Please use this identifier to cite or link to this item: https://doi.org/10.1109/CVPR.2012.6247881
Title: Real time robust L1 tracker using accelerated proximal gradient approach
Authors: Bao, C.
Wu, Y.
Ling, H.
Ji, H. 
Issue Date: 2012
Citation: Bao, C.,Wu, Y.,Ling, H.,Ji, H. (2012). Real time robust L1 tracker using accelerated proximal gradient approach. Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition : 1830-1837. ScholarBank@NUS Repository. https://doi.org/10.1109/CVPR.2012.6247881
Abstract: Recently sparse representation has been applied to visual tracker by modeling the target appearance using a sparse approximation over a template set, which leads to the so-called L1 trackers as it needs to solve an 1 norm related minimization problem for many times. While these L1 trackers showed impressive tracking accuracies, they are very computationally demanding and the speed bottleneck is the solver to 1 norm minimizations. This paper aims at developing an L1 tracker that not only runs in real time but also enjoys better robustness than other L1 trackers. In our proposed L1 tracker, a new 1 norm related minimization model is proposed to improve the tracking accuracy by adding an 1 norm regularization on the coefficients associated with the trivial templates. Moreover, based on the accelerated proximal gradient approach, a very fast numerical solver is developed to solve the resulting 1 norm related minimization problem with guaranteed quadratic convergence. The great running time efficiency and tracking accuracy of the proposed tracker is validated with a comprehensive evaluation involving eight challenging sequences and five alternative state-of-the-art trackers. © 2012 IEEE.
Source Title: Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition
URI: http://scholarbank.nus.edu.sg/handle/10635/104616
ISBN: 9781467312264
ISSN: 10636919
DOI: 10.1109/CVPR.2012.6247881
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