Adaptive and discriminative metric differential tracking

  • Authors:
  • Nan Jiang; Wenyu Liu; Ying Wu

  • Affiliations:
  • Huazhong Univ. of Sci. & Technol., Wuhan, China;Huazhong Univ. of Sci. & Technol., Wuhan, China;Northwestern Univ., Evanston, IL, USA

  • Venue:
  • CVPR '11 Proceedings of the 2011 IEEE Conference on Computer Vision and Pattern Recognition
  • Year:
  • 2011

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Abstract

Matching the visual appearances of the target over consecutive image frames is the most critical issue in video-based object tracking. Choosing an appropriate distance metric for matching determines its accuracy and robustness, and significantly influences the tracking performance. This paper presents a new tracking approach that incorporates adaptive metric into differential tracking method. This new approach automatically learns an optimal distance metric for more accurate matching, and obtains a closed-form analytical solution to motion estimation and differential tracking. Extensive experiments validate the effectiveness of adaptive metric, and demonstrate the improved performance of the proposed new tracking method.