基于特征选择与时间一致性稀疏外观模型的目标追踪算法

doi:10.16451/j.cnki.issn1003-6059.201803006

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Abstract

To improve the tracking accuracy and the robustness of object tracking by exploiting discriminative features of a tracking target effectively, an object tracking algorithm is proposed in the framework of particle filter tracking based on the feature selection and temporal consistency sparse appearance model. Firstly,some positive templates,negative templates,and candidate targets are sampled, and their corresponding features are selected according to the feature selection model. The redundant interferential information is deleted, and the key feature information is obtained. Secondly, a multi-task sparse representation model containing a temporal consistency regular term is established via the features of positive templates,negative templates, and candidate targets. It induces more candidate targets to have sparse representation similarities with the previous tracking results. Thirdly,the multi-task sparse representation model is solved to gain the discriminative sparse similarity map, and the discriminative score is obtained for each candidate target. Finally, the positive templates and the negative templates are updated according to the tracking results. Experiments demonstrate that the proposed tracking algorithm produces better accuracy than some tracking methods,even under the complex environments.

Key words： Object Tracking Sparse Representation Feature Selection Temporal Consistency

Received: 23 October 2017

ZTFLH:

TP 391

Fund:

Supported by National Natural Science Foundation of China(No.61571410,61672477), Natural Science Foundation of Zhejiang Province(No.LY18F020018).

Corresponding Authors: CAO Feilong, Ph.D, professor. His research interests include inte-lligent computing and image processing.

About author:: ZHANG Weidong, master student. His research interests include intelligent computing and image processing.ZHAO Jianwei, Ph. D, professor. Her research interests include intelligent computing and image processing.ZHOU Zhenghua, Ph. D, associate professor. His research interests include intelligent computing and image processing.

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Cite this article:

ZHANG Weidong,ZHAO Jianwei,ZHOU Zhenghua等. Object Tracking Algorithm Based on Feature Selection and Temporal Consistency Sparse Appearance Model[J]. , 2018, 31(3): 245-255.

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http://manu46.magtech.com.cn/Jweb_prai/EN/10.16451/j.cnki.issn1003-6059.201803006 OR http://manu46.magtech.com.cn/Jweb_prai/EN/Y2018/V31/I3/245

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