Performance comparison of AV1, JEM, VP9, and HEVC encoders

Dan Grois; Tung Nguyen; Detlev Marpe

doi:10.1117/12.2283428

8 February 2018 Performance comparison of AV1, JEM, VP9, and HEVC encoders

Dan Grois, Tung Nguyen, Detlev Marpe

Proceedings Volume 10396, Applications of Digital Image Processing XL; 103960L (2018) https://doi.org/10.1117/12.2283428
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States

Abstract

This work presents a performance evaluation of the current status of two distinct lines of development in future video coding technology: the so-called AV1 video codec of the industry-driven Alliance for Open Media (AOM) and the Joint Exploration Test Model (JEM), as developed and studied by the Joint Video Exploration Team (JVET) on Future Video Coding of ITU-T VCEG and ISO/IEC MPEG. As a reference, this study also includes reference encoders of the respective starting points of development, as given by the first encoder release of AV1/VP9 for the AOM-driven technology, and the HM reference encoder of the HEVC standard for the JVET activities. For a large variety of video sources ranging from UHD over HD to 360° content, the compression capability of the different video coding technology has been evaluated by using a Random Access setting along with the JVET common test conditions. As an outcome of this study, it was observed that the latest AV1 release achieved average bit-rate savings of ~17% relative to VP9 at the expense of a factor of ~117 in encoder run time. On the other hand, the latest JEM release provides an average bit-rate saving of ~30% relative to HM with a factor of ~10.5 in encoder run time. When directly comparing AV1 and JEM both for static quantization parameter settings, AV1 produces an average bit-rate overhead of more than 100% relative to JEM at the same objective reconstruction quality and, in addition, with a factor of ~2.7 in encoder run time. Even when operated in a two-pass ratecontrol mode, AV1 lags behind both the JEM and HM reference encoder with average bit-rate overheads of ~55% and ~9.5%, respectively, although the latter being configured along one-pass static quantization parameter settings.

Conference Presentation

Citation Download Citation

Dan Grois, Tung Nguyen, and Detlev Marpe "Performance comparison of AV1, JEM, VP9, and HEVC encoders", Proc. SPIE 10396, Applications of Digital Image Processing XL, 103960L (8 February 2018); https://doi.org/10.1117/12.2283428

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