广西师范大学学报(自然科学版) ›› 2018, Vol. 36 ›› Issue (4): 42-50.doi: 10.16088/j.issn.1001-6600.2018.04.006

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基于AdaBoost置信图的红外与可见光目标跟踪

张灿龙1,2*, 苏建才1,2, 李志欣1,2, 王智文3   

  1. 1. 广西师范大学广西多源信息挖掘与安全重点实验室,广西桂林541004;
    2.广西区域多源信息集成与智能处理协同创新中心,广西桂林541004;
    3.广西科技大学计算机科学与通信工程学院,广西柳州545006
  • 收稿日期:2018-01-01 发布日期:2018-10-20
  • 通讯作者: 张灿龙(1975—),男,湖南娄底人,广西师范大学副教授,博士。E-mail:zcltyp@163.com
  • 基金资助:
    国家自然科学基金(61866004,61663004,61462008,61751213);广西自然科学基金(2017GXNSFAA198365, 2016GXNSFAA380146);柳州市科学研究与技术开发工程项目(2016C050205)

Infrared-Visible Target Tracking Basedon AdaBoost Confidence Map

ZHANG Canlong1,2*, SU Jiancai1,2, LI Zhixin1,2, WANG Zhiwen3   

  1. 1. Guangxi Key Lab of Multi-source Information Mining & Security, Guangxi Normal University, GuilinGuangxi 541004,China;
    2.Guangxi Collaborative Innovation Center of Multi-source Information Integration andIntelligent Processing, Guilin Guangxi 541004, China;
    3. College of Computer Science and CommunicationEngineering, Guangxi University of Science and Technology, Liuzhou Guangxi 545006, China
  • Received:2018-01-01 Published:2018-10-20

摘要: 针对于复杂场景下,跟踪的目标容易产生漂移甚至跟踪失败的情况,本文提出了一种基于AdaBoost置信图的红外与可见光目标跟踪算法。首先,以颜色和纹理特征为描述子对红外与可见光图像的目标样本与背景样本进行表征和AdaBoost分类,并基于分类度计算得到红外与可见光图像的置信图;然后,在置信图中分别计算它们的目标候选者与其模板置信图之间的相似度,并将两相似度进行加权融合,构建联合目标函数;最后,对目标函数进行泰勒展开和求导等操作,推导出联合位移公式,并运用均值漂移算法完成目标搜索。对多组红外与可见光图像序列对测试结果表明,本文提出的算法在处理光照变化、目标交汇、目标遮挡等方面都表现良好。

关键词: 级联分类器, 置信图, 红外与可见光目标, 均值漂移, 融合跟踪

Abstract: To address the problem that the tracker is easy to drift away from the target and even failure in complex scenes, this paper presents an infrared-visible target tracking algorithm based on AdaBoost confidence map. Firstly, the target samples and background samples in infrared-visible images are characterized by using color and texture descriptor and are classified using AdaBoost classifier, and then the confidence maps of infrared and visible images are calculated based on the classification scores. Secondly, the similarity between confidence maps of target candidate and its template is calculated for visible and infrared images, and the visible similarity and infrared similarity are integrated into a joint objective function by weighting. Finally, a joint target location-shift formula is induced by performing multi-variable Taylor series expansion and maximization on the objective function, and the optimal target location is gained recursively by applying the mean shift procedure. The experimental result in infrared-visible image sequences demonstrates that the proposed method performs well in dealing with illumination change, target intersection, target occlusion and so on.

Key words: AdaBoost classifier, confidence map, infrared-visible target, fusion tracking

中图分类号: 

  • TP391.41
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[1] 蔡冰, 张灿龙, 李志欣. 基于联合直方图的红外与可见光目标融合跟踪[J]. 广西师范大学学报(自然科学版), 2017, 35(3): 37-44.
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