Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
帧差分直接改变图像，我想要的效果是用帧差分的结果来做运动状态的识别，而图像还是显示原来的