Vmaf Alternatives

vmaf reviews and mentions

• Custom trained vmaf model for 2D animation?
  1 project | reddit.com/r/AV1 | 11 Jun 2022

  You can look here to train the model: https://github.com/Netflix/vmaf/blob/master/resource/doc/python.md

• Is there a way to tell which file is higher quality without a 'source' file?
  2 projects | reddit.com/r/ffmpeg | 9 May 2022

  The only FOSS no-reference metric I know of is CAMBI, which is used for measuring banding. Unfortunately it's not usable via FFmpeg, only from the vmaf executable (or programmatically with the library), and the executable only accepts raw video as input, which isn't very practical for long videos. See https://github.com/Netflix/vmaf/blob/master/resource/doc/cambi.md for usage.

• 4K Bitrate over 16Mbps possible?
  1 project | reddit.com/r/netflix | 28 Apr 2022

  In short, they compare a frame to the original and calculate the signal to noise ratio. In long, it also takes into account things like viewing distance and playback device, etc. (If you want the nitty gritty they have written several articles about this. And if you're programmatically inclined you can even take a look under the hood. )

• Dav1d, fast AV1 decoder, version 1.0.0 released
  5 projects | news.ycombinator.com | 18 Mar 2022

  I was like wtf is vmaf?!

  Turns out it's $NFLXs OSS automated encoding quality assessment tool. Pretty cool!

  https://github.com/Netflix/vmaf

• Which file is better Quality and which to keep ?
  2 projects | reddit.com/r/DataHoarder | 5 Mar 2022

  See https://github.com/Netflix/vmaf

• Netflix Posts a Record $5.3 Billion in Profits and a Federal Tax Rate of Just 1.1 percent
  1 project | reddit.com/r/politics | 3 Feb 2022

  But they actually do a shitton of real research and their contributions are made public, freely, to be used elsewhere. Stuff thats super valuable and patented (like vmaf) are still offered free, and include an express patent grant.

• How can I tell whether a HEVC release is better or the AVC release is better?
  1 project | reddit.com/r/trackers | 4 Dec 2021

  Try using this: https://github.com/Netflix/vmaf (VMAF - Video Multi-Method Assessment Fusion)

• I need for you to compare two mediainfo files and tell me which is the best.
  1 project | reddit.com/r/ffmpeg | 28 Nov 2021

  you can play with https://github.com/Netflix/vmaf - but it takes time .. and I don't get results of it clearly :( maybe guys at video-help forum can assist with more depth know-how

• Help Calculating VMAF
  2 projects | reddit.com/r/ffmpeg | 25 Nov 2021

  I have grabbed the release ffmpeg-N-104651-g522f577d7e-win64-gpl-shared.zip from https://github.com/BtbN/FFmpeg-Builds/releases and the latest source code release from https://github.com/Netflix/vmaf/releases.

• Hello, I need help! I record high-intensity gameplay (Halo, Insurgency) with the settings below. I Edit and export gameplay using Filmora X with the settings below. On Youtube, the gameplay still looks blah... Any suggestions for what I should change for perfect 1080p 60fps gameplay.
  1 project | reddit.com/r/letsplay | 23 Nov 2021

  When I last measured the level of quality preserved by youtube at various resolutions using Netflix's VMAF, it showed that higher resolutions progressively preserved more quality. On average over several different samples I found that VMAF increased from 81-90-92 going from 1080 to 1440 to 2160.

• In General, I Preserve ________ on my server.
  1 project | reddit.com/r/PleX | 21 Nov 2021

  Considering Netflix has put literally millions into figuring out how to effectively compress content without users noticing, I'm keen to believe it's possible. Especially when they put out a tool that computes the mathematical difference between source and encoded video files so you can statistically analyze quality loss.

• Good VMAF Values to target for a reencode?
  2 projects | reddit.com/r/ffmpeg | 13 Nov 2021

  libvmaf can calculate PSNR, SSIM, and MS-SSIM as well. However, PSNR calculation seems to be bugged on my FFmpeg build which uses libvmaf 2.1.1. I found a recent bug report so at least it seems to be a known issue, if it's not fixed in git already.

• Any programs to compare videos/images side by side easily for quality checks?
  2 projects | reddit.com/r/DataHoarder | 29 Oct 2021
• CAMBI, a banding artifact detector | by Netflix Technology Blog
  1 project | reddit.com/r/AV1 | 13 Oct 2021

  For anyone interested, the code was added in this pull request: https://github.com/Netflix/vmaf/pull/909

• Does anyone know a program that does this?
  1 project | reddit.com/r/VideoEditing | 20 Sep 2021