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电子学报  2015 

一种基于拓扑约束的多核跟踪算法

DOI: 10.3969/j.issn.0372-2112.2015.02.022, PP. 353-357

Keywords: 多核跟踪,拓扑约束,部分遮挡,尺度变化

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Abstract:

针对视觉跟踪中常见的目标部分遮挡和尺度变化问题,提出了一种基于拓扑约束的多核跟踪算法.首先,提取满足空间分布的位于目标与背景所在边界的Harris角点作为多核跟踪器的中心,然后,采用拓扑约束对多个跟踪结果进行优化,选取跟踪性能好的核跟踪器,构造仿射变换模型,进而得到最终跟踪结果和目标尺度变化信息.实验结果表明,本文算法能对目标进行准确跟踪,并能有效地处理目标的部分遮挡和尺度变化问题.

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