Pulsar-VMAF
vmaf
| Pulsar-VMAF | vmaf | |
|---|---|---|
| 3 | 41 | |
| 11 | 4,214 | |
| - | 1.1% | |
| 1.1 | 8.8 | |
| about 1 year ago | 7 days ago | |
| Python | ||
| - | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Pulsar-VMAF
- Is there a way to use HW acceleration for PSNR or VMAF comparisons?
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HW Accelerated VMAF Comparisons?
Yes, kinda. Just not on commodity hardware, and certainly not for free.
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VMAF measurement accelerated by FPGA in the cloud and on premise
For more details, please visit https://github.com/bluedot-io/Pulsar-VMAF/blob/master/README.md.
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
What are some alternatives?
Av1an - Cross-platform command-line AV1 / VP9 / HEVC / H264 encoding framework with per scene quality encoding
staxrip - 🎞 Video encoding GUI for Windows.
FFmpeg-Builds
FFmpeg-Builds - FFmpeg Builds for yt-dlp
ffmpeg-debug-qp - FFmpeg Debug Script for QP Values
ssimulacra2 - SSIMULACRA 2. Perceptual metric.
ffmpeg-quality-metrics - Calculate quality metrics with FFmpeg (SSIM, PSNR, VMAF, VIF)
nmkoder - Media encoding, muxing, analysis toolkit for Windows
NotEnoughAV1Encodes - GUI for AV1 (aomenc, rav1e & svt-av1)
videobench - VMAF PSNR Bitrate Analyzer
oss-fuzz - OSS-Fuzz - continuous fuzzing for open source software.