Netflix / vmaf

Perceptual video quality assessment based on multi-method fusion.

slhck / ffmpeg-quality-metrics

Calculate quality metrics with FFmpeg (SSIM, PSNR, VMAF, VIF)

4KVCD / VideoMetricsLab

Calculate VMAF, VMAF NEG, VMAF v1, SSIMULACRA2, Butteraugli and ColorVideo VDP on NVIDIA, AMD and Intel GPUs, alongside PSNR, SSIM and XPSNR. Compare encodes with frame-exact playback that switches between the source and each encode instantly to easily spot differences.