基于改进ViBe算法的运动目标检测

Computer and Information Technology（2021）

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Abstract

针对ViBe算法中鬼影消除速度慢和固定阈值反映每个像素情况不详细的问题,分别提出了改进帧间差分与ViBe结合算法和自适应阈值的ViBe算法.改进帧间差分法,首先将连续六帧图像进行差分,并通过动态阈值进行校正,进而消除空洞现象,再与ViBe结合来判断鬼影像素.自适应阈值的ViBe算法,将像素值的变化作为像素值的设定依据,使得像素情况被详细的反映出来,进而提高了检测的准确率.实验结果表明,两种改进算法前者使得消除鬼影的速度提高近一倍,后者使得前景检测的准确度平均提高了1.6％.

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