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运动目标检测中背景更新算法研究 被引量:1

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摘要 针对视频动态目标检测中背景实时更新问题,在运动目标覆盖的平均时间小于不被运动目标覆盖时间的情况下,提出了一种结合近似中位数法和三帧差分法的背景建模算法。该算法首先运用近似中位数法获取更新背景,利用三帧差分法得到差分图像,将差分图像与背景减除法确定的运动目标区域相结合,从而得到可靠的运动区域。通过与三帧差分法、近似中位数法和混合高斯法实验对比,提出的算法准确率高、运行速度快、能满足实时检测的要求。
作者 王菊娇
出处 《现代商贸工业》 2014年第11期194-195,共2页 Modern Business Trade Industry
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