用了三帧差分法、背景差分法来辨别图片中的运动物体，包含了报告和算法说明-Spent three difference method, background subtraction method to identify pictures of moving objects, including a descr iption of the report and algorithms

三帧差法的实现，用于动态目标检测，分出背景和前景-Three implementation of frame differential method for dynamic target detection, the background and foreground