| 基于Mean Shift算法的嵌入式实时彩色目标跟踪 |
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| 引用本文： | 孙中森, 张怀柱, 宋建中,. 基于Mean Shift算法的嵌入式实时彩色目标跟踪[J]. 电子器件, 2007, 30(5): 1611-1613 |
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| 作者姓名： | 孙中森 张怀柱 宋建中 |
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| 作者单位： | 中国电波传播研究所,山东,青岛,266107;中国科学院长春光学精密机械与物理研究所,长春,10033;中国科学院长春光学精密机械与物理研究所,长春,10033 |
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| 摘 要： | 为满足Mean Shift算法的实时运行要求,提出了核函数量化以及相关计算权值整数化的方法,将复杂的浮点运算转化为整数运算,减小算法的运算量.设计了以高性能DSP芯片TMS320C6418结合大规模门阵列的嵌入式目标跟踪平台,并与一个具有两自由度伺服系统构成闭环跟踪网络.目标的脱靶量(目标偏离视场中心的距离)作为反馈信号控制伺服系统带动摄像机运动,使目标处于视场的中心附近.实验结果表明系统具有良好的稳定性.
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| 关 键 词： | 闭环跟踪 彩色特征 mean shift算法 |
| 文章编号： | 1005-9490(2007)05-1611-03 |
| 修稿时间： | 2006-10-10 |
Embedded System of Tracking with Color Features on Mean Shift |
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| SUN Zhong-sen,ZHANG Huai-zhu,SONG Jian-zhong. Embedded System of Tracking with Color Features on Mean Shift[J]. Journal of Electron Devices, 2007, 30(5): 1611-1613 |
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| Authors: | SUN Zhong-sen ZHANG Huai-zhu SONG Jian-zhong |
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| Affiliation: | China Research Institute of Radiowave Propagation; Qingdao Shangdong 266107; China; 2.Changchun Institute of Optics; Fine Mechanics and Physics; Chinese Academy of Sciences; Changchun 130033; |
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| Abstract: | A new method for color-based tracking of target on mean shift in an embedded system is presented.For real-time running,the kernel function and the weights used in correlation computation is quantitation.An embedded tracking system on DSP-TMS320C6418 and CPLD was designed,with a two degree of freedom controller.In order to keep the target in the neighborhood of the image center,the distance of target from it is used to the close-loop controller.The results of experiments shown that the tracking system is real-time and robust. |
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| Keywords: | closed-loop objects tracking color feature Mean Shift |
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