一个利用屏幕截图的方法，实现对屏幕上的动态图像进行实时捕捉、放大，并进行增强处理，可以用于小图像视频的辅助观察和调焦等-A screenshot of the methods use to achieve on-screen real-time dynamic image capture, zoom and enhance the treatment, can be used for small images of video-assisted observation and focus, et