【摘 要】
：
为了实时准确地重建出背景,提出了一种基于帧间差分的背景重建算法.该算法等间隔采样视频帧.然后对视频序列进行帧间差分,对得到的差分图像分块处理,通过比较各子块的亮度与
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为了实时准确地重建出背景,提出了一种基于帧间差分的背景重建算法.该算法等间隔采样视频帧.然后对视频序列进行帧间差分,对得到的差分图像分块处理,通过比较各子块的亮度与能量均值,将各帧中满足要求的子块进行组合,从而快速地重建出背景.当背景发生整体或局部变化时,该算法能够快速地检测出背景变化,并采用相应算法实时更新背景.实验结果表明,该算法能快速、准确地重建出背景,从而能够完整地提取场景中的运动目标.
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