Novelty fragments-based target tracking with multiple instance learning under occlusions

被引:0
|
作者
Cai H. [1 ]
Chen G.-Q. [1 ]
Liu G.-W. [1 ]
Cheng S. [1 ]
Yu H.-D. [2 ]
机构
[1] School of Electronic and Information Engineering, Changchun University of Science and Technology, Changchun
[2] College of Mechanical and Electric Engineering, Changchun University of Science and Technology, Changchun
来源
Chen, Guang-Qiu (guangqiu_chen@126.com) | 1600年 / Editorial Board of Jilin University卷 / 47期
关键词
Fragment; Information processing; Invalid block replacement; Multiple instance learning; Random ferns detector;
D O I
10.13229/j.cnki.jdxbgxb201701041
中图分类号
学科分类号
摘要
To solve the problem that tracking algorithm may lead to drift or failure due to the accumulated error under the occlusion environment, a Multiple instance learning based Fragment Tracker (MFT) is proposed. In this MFT, the random ferns is used as the basic detector. To improve the adaption of the target change and the precision of the learning, the multiple instance learning is introduced to online update the detector. The object is segmented into fragments and parts of them are selected as the candidate set. The candidate block is tracked by the corresponding detector. The object can be finally located by the selected blocks. A real-time valid detection is made for the candidate blocks and the invalid block is replaced with an appropriate block to improve the robustness of the tracking. Experiments on variant challenging image sequence in the occlusion environment were carried out. Results show that, compared with the state-of-art trackers, the proposed MFT solves the problem of target drift and failure efficiently and has higher accuracy and better robust. © 2017, Editorial Board of Jilin University. All right reserved.
引用
收藏
页码:281 / 287
页数:6
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