JPEG2000压缩图像质量评价代码，不需要原参考图像，很准确-the image quality assessment method, without the reference image.

HVS based image quality metric

对一段原始视频图像序列做压缩，生成压缩文件；对此压缩文件做解压缩处理，生成显示图像；将此显示图像与原始图像做质量、压缩文件大小等各个方面做比较。-On the original video image sequence to do a compression to generate compressed file to do this compressed file decompression processing to generate display images this shows

Image Quality Assessment simple coding in Matlab