期刊文献+

基于梯度方向-亮度联合空间的红外人体跟踪 被引量:5

Human tracking based on gradient orientation-intensity joint space in infrared image sequences
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摘要 针对红外图像中人体成像的特点,提出一种新颖的红外人体跟踪算法。为克服红外图像中人体目标描述信息不足的缺点,该方法首先在梯度方向-亮度二维联合空间中构建人体目标的特征直方图,然后给出了一种最优直方图级数的选择准则对最具鉴别性能的级数进行选择;进而将上述表达模型与粒子滤波相融合,设计了粒子滤波框架下的人体跟踪算法。不同场景中的人体跟踪结果表明,与通用的跟踪算法相比,本文提出的算法具有更高的鲁棒性和稳健性。 According to the imaging features of human body in infrared system, a novel human tracking approach in infrared image sequences is proposed. The representing histogram of the human body in a joint space of gradient orientation and pixel intensity is constructed, so as to hurdle the disadvantage of insufficient information when only intensity feature is used. Also, an evaluation criterion is presented to get the optimal bins of the histogram. The above mentioned human representing model is embedded in a particle filter frame, and the human tracking algorithm is designed under this frame. Experimental results under different scenarios demonstrate that the proposed method is more robust and stable than the classical tracking method.
出处 《仪器仪表学报》 EI CAS CSCD 北大核心 2008年第3期492-498,共7页 Chinese Journal of Scientific Instrument
基金 国家自然科学基金重点项目(60632050) 国家自然科学基金(60472060)资助项目
关键词 人体跟踪 红外图像 粒子滤波 联合直方图 human tracking infrared image particle filter joint histogram
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参考文献9

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同被引文献44

  • 1李豪杰,林守勋,张勇东.基于视频的人体运动捕捉综述[J].计算机辅助设计与图形学学报,2006,18(11):1645-1651. 被引量:31
  • 2万琴,王耀南.一种多运动目标检测、跟踪方法研究与实现[J].计算机应用研究,2007,24(1):199-202. 被引量:16
  • 3李良群,姬红兵,罗军辉.迭代扩展卡尔曼粒子滤波器[J].西安电子科技大学学报,2007,34(2):233-238. 被引量:60
  • 4常发亮,马丽,乔谊正.视频序列中面向人的多目标跟踪算法[J].控制与决策,2007,22(4):418-422. 被引量:16
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  • 9Fengliang Xu, Xia Liu, Fujimura K. Pedestrian detection and tracking with night vision [ J ]. IEEE transactions on intelligent transportation systems, 2005,6 ( 1 ) : 63 - 71.
  • 10Suard F, Rakotomamonjy A, Bensrhair A. Pedestrian detection using infrared images and histograms of oriented gradients[ C ]//Proceedings of IEEE Intelligent Vehicles Symposium, Tokyo, Japan, 2006 : 206 - 212.

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