Department of Computer Science
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Department of Computer Science

  • Publication Type: Journal Publications
  • Author Name:

    Liu B., Huang J., Yang L., Kulikowski C.

  • Publication Date: 2013-12-01
  • Journal Volume: IEEE-Transactions Pattern Analysis and Machine Intelligence
  • Link to Content 1: IEEE Xplore Site
  • Abstract:

    Online learned tracking is widely used for its adaptive ability to handle appearance changes. However, it introduces potential drifting problems due to the accumulation of errors during the self-updating, especially for occluded scenarios. The recent literature demonstrates that appropriate combinations of trackers can help balance the stability and flexibility requirements. We have developed a robust tracking algorithm using a local sparse appearance model (SPT) and K-Selection. A static sparse dictionary and a dynamically updated online dictionary basis distribution are used to model the target appearance. A novel sparse representation-based voting map and a sparse constraint regularized mean shift are proposed to track the object robustly. Besides these contributions, we also introduce a new selection-based dictionary learning algorithm with a locally constrained sparse representation, called K-Selection. Based on a set of comprehensive experiments, our algorithm has demonstrated better performance than alternatives reported in the recent literature.

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