应用科学学报 ›› 2015, Vol. 33 ›› Issue (5): 502-517.doi: 10.3969/j.issn.0255-8297.2015.05.005

• 信号与信息处理 • 上一篇    下一篇

基于支持向量机的多特征选择目标跟踪

胡昭华1,2, 徐玉伟1,3, 赵孝磊1, 何军1, 周游4   

  1. 1. 南京信息工程大学电子与信息工程学院, 南京 210044;
    2. 南京信息工程大学江苏省大气环境与装备技术协同创新中心, 南京 210044;
    3. 中国人民解放军 94804部队, 上海 200434;
    4. 苏州电器科学研究院股份有限公司, 江苏苏州 215000
  • 收稿日期:2015-04-21 修回日期:2015-05-26 出版日期:2015-09-30 发布日期:2015-09-30
  • 作者简介:胡昭华,博士,副教授,研究方向:视频目标跟踪、模式识别,E-mail:zhaohua_hu@163.com
  • 基金资助:

    国家自然科学基金(No.61203273);江苏省自然科学基金(No.BK20141004);江苏省普通高校自然科学研究基金(No.11KJB510009, No.14KJB510019);江苏省高校优势学科Ⅱ期建设工程项目基金资助

Multi-feature Selection Tracking Based on Support Vector Machine

HU Zhao-hua1,2, XU Yu-wei1,3, ZHAO Xiao-lei1, HE Jun1, ZHOU You4   

  1. 1. School of Electronic & Information Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China;
    2. Jiangsu Collaborative Innovation Center on Atmospheric Environment and Equipment Technology, Nanjing 210044, China;
    3. 94804 PLA Troops, Shanghai 200434, China;
    4. Suzhou Electrical Apparatus Science Research Institute Co., Ltd, Suzhou 215000, Jiangsu Province, China
  • Received:2015-04-21 Revised:2015-05-26 Online:2015-09-30 Published:2015-09-30

摘要: 目标判别跟踪方法一般以单一跟踪结果(正样本)和部分负样本训练分类器,并只用单一的特征描述目标,因此在目标发生遮挡、光照变化、形变等情况下很容易导致跟踪的失败. 为了克服单一正样本和单一特征训练的分类器导致跟踪不稳定的问题,提出一种基于支持向量机的多特征描述、多个正负样本进行分类器训练的目标跟踪方法,用训练分类器对所有候选粒子的不同特征进行判别和选择,并将具有最大置信概率的粒子确定为跟踪结果. 在跟踪过程中,利用子空间学习的方法实现正样本的更新,并以更新后的正负样本训练分类器. 实验结果表明,该方法在目标存在遮挡、光照变化、形变等情况下均可以取得较好的跟踪效果.

关键词: 分类器, 目标跟踪, 支持向量机, 子空间学习, 多特征选择

Abstract: Discriminative tracking is generally based on a single feature and uses the current track result (a positive sample) and some negative samples to train the classifier. It may lead to tracking due to occlusion, illumination changes and deformation. To overcome the problem caused by single feature description and single positive sample training, we propose a multi-feature selection algorithm based on the support vector machine (SVM). The classifier is trained with multiple positive and negative samples based on multi-feature descriptions. In the tracking step, a candidate sample with maximum confidence probability is used as the tracking result. Further, we take advantage of a subspace learning method to update positive samples used in the classifier training. Experimental results show that the proposed algorithm has desirable performance in a variety of challenging situations.

Key words: classifier, object tracking, support vector machine (SVM), subspace learning, multi-feature selection

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