利用opencv库实现的从指定位置视频截取关键帧的程序，需要安装opencv库，具体安装上官网可以进行查询。-Use opencv library to achieve the specified location from the video key frame interception procedures, need to install the opencv library, specific queries can be installed Shangguan network.

opencv 程序代码 基于分镜头的关键帧算法。效果很好-good for new leareer