使当前的影像与背景模拟场景相比较，以确定出匹配的标准，例如：地点、经过、目标大小(纠正过的远景)。

It compares the current image with its own background model of the scene and checks out discrepancies for matches with criteria such as location, duration, and object size (corrected for perspective).

youdao

使当前的影像与背景模拟场景相比较，以确定出匹配的标准，例如：地点、经过、目标大小(纠正过的远景)。

It compares the current image with its own background model of the scene and checks out discrepancies for matches with criteria such as location, duration, and object size (corrected for perspective).

youdao