Discriminative Object Tracking via Sparse Representation and Online Dictionary Learning
Xie, Yuan1; Zhang, Wensheng1; Li, Cuihua2; Lin, Shuyang2; Qu, Yanyun2; Zhang, Yinghua1
发表期刊IEEE Transactions on Cybernetics
2013
期号44页码:539-553
摘要

We propose a robust tracking algorithm based on local sparse coding with discriminative dictionary learning and new keypoint matching schema. This algorithm consists of two parts: the local sparse coding with online updated discriminative dictionary for tracking (SOD part), and the keypoint matching refinement for enhancing the tracking performance (KP part). In the SOD part, the local image patches of the target object and background are represented by their sparse codes using an over-complete discriminative dictionary. Such discriminative dictionary, which encodes the information of both the foreground and the background, may provide more discriminative power. Furthermore, in order to adapt the dictionary to the variation of the foreground and background during the tracking, an online learning method is employed to update the dictionary. The KP part utilizes refined keypoint matching schema to improve the performance of the SOD. With the help of sparse representation and online updated discriminative dictionary, the KP part are more robust than the traditional method to reject the incorrect matches and eliminate the outliers. The proposed method is embedded into a Bayesian inference framework for visual tracking. Experimental results on several challenging video sequences demonstrate the effectiveness and robustness of our approach.

关键词Dictionary Learning Object Tracking Robust Keypoints Matching Sparse Representation.
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/38564
专题精密感知与控制研究中心_人工智能与机器学习
通讯作者Zhang, Wensheng
作者单位1.Institute of Automation, Chinese Academy of Sciences
2.Xiamen University
第一作者单位中国科学院自动化研究所
通讯作者单位中国科学院自动化研究所
推荐引用方式
GB/T 7714
Xie, Yuan,Zhang, Wensheng,Li, Cuihua,et al. Discriminative Object Tracking via Sparse Representation and Online Dictionary Learning[J]. IEEE Transactions on Cybernetics,2013(44):539-553.
APA Xie, Yuan,Zhang, Wensheng,Li, Cuihua,Lin, Shuyang,Qu, Yanyun,&Zhang, Yinghua.(2013).Discriminative Object Tracking via Sparse Representation and Online Dictionary Learning.IEEE Transactions on Cybernetics(44),539-553.
MLA Xie, Yuan,et al."Discriminative Object Tracking via Sparse Representation and Online Dictionary Learning".IEEE Transactions on Cybernetics .44(2013):539-553.
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