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- W1483090249 abstract "The $ell_1$ tracker obtains robustness by seeking a sparse representation of the tracking object via $ell_1$ norm minimization cite{Xue_ICCV_09_Track}. However, the high computational complexity involved in the $ ell_1 $ tracker restricts its further applications in real time processing scenario. Hence we propose a Real Time Compressed Sensing Tracking (RTCST) by exploiting the signal recovery power of Compressed Sensing (CS). Dimensionality reduction and a customized Orthogonal Matching Pursuit (OMP) algorithm are adopted to accelerate the CS tracking. As a result, our algorithm achieves a real-time speed that is up to $6,000$ times faster than that of the $ell_1$ tracker. Meanwhile, RTCST still produces competitive (sometimes even superior) tracking accuracy comparing to the existing $ell_1$ tracker. Furthermore, for a stationary camera, a further refined tracker is designed by integrating a CS-based background model (CSBM). This CSBM-equipped tracker coined as RTCST-B, outperforms most state-of-the-arts with respect to both accuracy and robustness. Finally, our experimental results on various video sequences, which are verified by a new metric---Tracking Success Probability (TSP), show the excellence of the proposed algorithms." @default.
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- W1483090249 date "2010-12-12" @default.
- W1483090249 modified "2023-09-27" @default.
- W1483090249 title "Real-time Visual Tracking Using Sparse Representation" @default.
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