很好的绘制图像或视频的psnr软件，特别适合一些做视频编解码的人使用啊。-Very good image or video psnr drawing software, particularly suitable for those who do use the video codec ah.

非常强大的图像峰值信噪比对比工具，可以做简单的图像分析-Peak signal to noise ratio is very powerful image comparison tool, you can do a simple image analysis