vmaf
VES-Image-Compare
| vmaf | VES-Image-Compare | |
|---|---|---|
| 41 | 3 | |
| 4,214 | 67 | |
| 1.1% | - | |
| 8.8 | 7.7 | |
| 6 days ago | 13 days ago | |
| Python | Java | |
| GNU General Public License v3.0 or later | GNU General Public License v3.0 only |
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vmaf
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Extreme Video Compression
Netflix did VMAF for this: https://github.com/Netflix/vmaf
It checks a reference video against an encoded video and returns a score representing how close the encoded video appears to the original from a human perspective.
- Netflix/VMAF – Release v3.0.0
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Linux GUI/Frontend for VMAF
Not sure this is the right sub but I'm going to encode my entire BluRay collection in AV1 / NVEC. I'd like to optimize settings with VMAF but would like an ubuntu/debian based GUI to work with.
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Does anybody run libvmaf on your output as a validation check?
VMAF for anybody that doesn't know quantifies the quality difference between a source and modified video.
- How do you guys visually compare clips?
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reduce video filesize
Netflix even has a method to measure perceivable quality difference. A little while ago I used this tool to calculate this.
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How did my silly little After Effects filter reduce the file to 10% its size? The footage wasn't raw or 10-bit or anything, and I rendered it out at basically the same resolution (cropping aside). How did I do this????
Well you can use something like https://mediaarea.net/en/MediaInfo to look at the files and https://github.com/Netflix/vmaf to see if there is no loss.
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[HUB] Reddit Users Expose Steve: DLSS vs. FSR Performance, GeForce RTX 4070 Ti vs. Radeon RX 7900 XT
Vmaf exists
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4:2:0 10-bit HEVC vs 4:2:2 10-bit AVC codecs higher quality? (S5II, GH6)
You can try some tests https://github.com/Netflix/vmaf
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Unusually good compression ratio - Sanity Check
You can try VMAF as well (which ffmpeg supports). It's normally recommended to make a lossless copy first as a baseline too
VES-Image-Compare
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How do you guys visually compare clips?
For desktop purposes, I use VSPreview. For mobile devices, I use VES Image Compare: https://github.com/VincentEngel/VES-Image-Compare
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⟳ 3 apps added, 79 updated at f-droid.org
VES - Image and Photo Compare (version 2.0.0): Easily compare images, photos and pictures
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⟳ 7 apps added, 50 updated at f-droid.org
VES - Image Compare: Easily compare similar images
What are some alternatives?
Av1an - Cross-platform command-line AV1 / VP9 / HEVC / H264 encoding framework with per scene quality encoding
FFMetrics - Visualizes Video Quality Metrics (PSNR, SSIM & VMAF) calculated by ffmpeg.exe
staxrip - 🎞 Video encoding GUI for Windows.
vivictpp - Vivict++ is an easy to use tool for subjective comparison of the visual quality of different encodings of the same video source.
FFmpeg-Builds
VinylMusicPlayer - A material designed music player for Android [Moved to: https://github.com/VinylMusicPlayer/VinylMusicPlayer]
FFmpeg-Builds - FFmpeg Builds for yt-dlp
video-compare - Split screen video comparison tool using FFmpeg and SDL2
ffmpeg-debug-qp - FFmpeg Debug Script for QP Values
OpenPods - The Free and Open Source app for monitoring your AirPods on Android
ssimulacra2 - SSIMULACRA 2. Perceptual metric.
kiwix-android - Kiwix for Android