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2021, vol. 18, iss. 2, pp. 139-154
Video coding and constant quality evaluation using 4K aomenc-AV1 and rav1e-AV1 formats
University of Belgrade, Faculty of Electrical Engineering

emailmsmilance@etf.bg.ac.rs, dragi@etf.bg.ac.rs, anaga777@etf.bg.ac.rs
Project:
This research is supported by Serbian Ministry of Education, Science and Technological Development

Keywords: video codecs; 4k/UHD; constant quality; aomenc-AV1; libaomAV1; rav1e-AV1; bitstream
Abstract
It is much expected from the relatively novel, open, royalty-free AV1 (Alliance for Open Media (AOMedia) Video 1) standard. At this moment, there are many new variants of AV1 format. It is designed for efficient video internet delivery and high-quality video transmission. AV1 is recognized as Google's VP9 format successor. One of the reference tools used so far for testing AV1 is libaomAV1. Nevertheless, due to its time-consuming performance, there are now different available standalone solutions for experimental analysis. Here, one such solution AOMedia's standalone aomenc (aomenc-AV1) is tested in order to analyze quality assessment based on constant quality constraint factor. Three different metrics are calculated for various 4k video content of the same frame rate. Moreover, rav1e implementation was tested for the same visual data, where rav1e-AV1 also represents an AV1 video encoder, which is considered reliable and suitable in most cases, where libaom is not applicable. In this paper, the comparison results between aomenc-AV1 and rav1e-AV1 are shown.
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article language: English
document type: unclassified
DOI: 10.2298/SJEE2102139M
published in SCIndeks: 30/07/2021
Creative Commons License 4.0

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