Free program for video quality measurements. Supports more than 30 formats (AVI, AVS, YUV, Y4M BMP, etc.) and 24 objective metrics (PSNR, SSIM, MSU Blurring/Blocking, MSAD, MS-SSIM, etc) including GPU metrics. Other useful features include support of HD resolution, Regions of Interest (ROI), metric visualization (one visualization video per one metric), GUI and batch file processing, plugins interface, open-source plugins availability, and others