The proposed new background updating method can update the background exactly and quickly, and the detection result of moving objects is good without background image.
本文提出的算法鲁棒性好，在没有背景先验知识的情况下对运动物体的检测取得了很好的效果。
The key of background subtraction is to extract and update the background image adaptively in changeable road environment affected by all kinds of factors such as weather and illumination condition.
由于实际交通道路状况受气候、光照等多种因素的影响，变化非常复杂，因此如何设计一种自适应的背景提取与更新算法以适应实际环境的变化，是背景差法的关键所在。
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