对图片和视频进行处理，在opencv中对视频进行加噪去噪，以及背景差分法对它进行背景提取。-The image and video processing, opencv in the video noise denoising, and background subtraction method for background extraction.

在opencv中对视频用背景差分法对它进行背景提取。-The image and video processing, opencv in the video noise denoising, and background subtraction method for background extraction.