Performance comparison of video coding standards: an adaptive streaming perspective

by Joel Sole, Liwei Guo, Andrey Norkin, Mariana Afonso, Kyle Swanson, Anne Aaron

Chef’s Table

Factors in codec comparisons

Encoder implementation

Encoding settings

Methodology

Content

Metrics

Approximate correspondence between VMAF values and subjective opinion

Codec comparison results

Results with the traditional approach

BD-rate (in %) using PSNR of the 6 PSNR-tuned video encoders

Results from an adaptive streaming perspective

BD-rate (in %) using HVMAF of 6 video encoders tuned for perceptual quality. BD-rates percentages use x264 as the reference.

Takeaways

Acknowledgments

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