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电子学报  2014 

融合热释电红外传感器与视频监控器的多目标跟踪算法

DOI: 10.3969/j.issn.0372-2112.2014.04.008, PP. 672-678

Keywords: 热释电红外(PIR)传感器,视频监控器,目标跟踪,联合概率数据关联算法

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Abstract:

现有基于热释电红外传感器的多目标跟踪系统在目标之间距离较近或者轨迹相交的情况下存在着误差较大的缺点.针对此缺点,提出了一种新型的基于热释电红外传感器与视频监测器协同工作的多目标跟踪方案.该方案可以充分利用两种传感器的优势,弥补在目标跟踪中的不足.算法采用最小二乘法利用热释电信息进行定位,并通过从图像或热释电传感器信号的幅频特性中提取特征信息来校正联合概率数据关联算法的关联矩阵,有效避免了错误关联.实验表明,该方案在多目标交叉情况下跟踪误差仅为其它算法的八分之一到四分之一.

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