Compression efficiency analysis of AV1, VVC, and HEVC for random access applications

IF 3.2 Q1 Computer Science
Tung Nguyen, D. Marpe
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引用次数: 2

Abstract

AOM Video 1 (AV1) and Versatile Video Coding (VVC) are the outcome of two recent independent video coding technology developments. Although VVC is the successor of High Efficiency Video Coding (HEVC) in the lineage of international video coding standards jointly developed by ITU-T and ISO/IEC within an open and public standardization process, AV1 is a video coding scheme that was developed by the industry consortium Alliance for Open Media (AOM) and that has its technological roots in Google's proprietary VP9 codec. This paper presents a compression efficiency evaluation for the AV1, VVC, and HEVC video coding schemes in a typical video compression application requiring random access. The latter is an important property, without which essential functionalities in digital video broadcasting or streaming could not be provided. For the evaluation, we employed a controlled experimental environment that basically follows the guidelines specified in the Common Test Conditions of the Joint Video Experts Team. As representatives of the corresponding video coding schemes, we selected their freely available reference software implementations. Depending on the application-specific frequency of random access points, the experimental results show averaged bit-rate savings of about 10–15% for AV1 and 36–37% for the VVC reference encoder implementation (VTM), both relative to the HEVC reference encoder implementation (HM) and by using a test set of video sequences with different characteristics regarding content and resolution. A direct comparison between VTM and AV1 reveals averaged bit-rate savings of about 25–29% for VTM, while the averaged encoding and decoding run times of VTM relative to those of AV1 are around 300% and 270%, respectively.
AV1、VVC和HEVC在随机接入应用中的压缩效率分析
AOM视频1(AV1)和通用视频编码(VVC)是最近两个独立视频编码技术发展的结果。尽管VVC是高效视频编码(HEVC)的继任者,是ITU-T和ISO/IEC在开放和公共标准化过程中联合开发的国际视频编码标准,但AV1是一种由行业联盟开放媒体联盟(AOM)开发的视频编码方案,其技术根源于谷歌专有的VP9编解码器。本文对需要随机访问的典型视频压缩应用中的AV1、VVC和HEVC视频编码方案的压缩效率进行了评估。后者是一个重要特性,没有它就无法提供数字视频广播或流媒体的基本功能。为了进行评估,我们采用了一个受控的实验环境,该环境基本上遵循了联合视频专家组通用测试条件中规定的指南。作为相应视频编码方案的代表,我们选择了它们免费提供的参考软件实现。根据随机接入点的特定应用频率,实验结果显示,AV1和VVC参考编码器实现(VTM)的平均比特率分别节省了约10-15%和36-37%,这两种方法都是相对于HEVC参考编码器实施(HM)和通过使用具有不同内容和分辨率特征的视频序列测试集。VTM和AV1之间的直接比较显示,VTM的平均比特率节省了约25-29%,而VTM相对于AV1的平均编码和解码运行时间分别约为300%和270%。
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来源期刊
APSIPA Transactions on Signal and Information Processing
APSIPA Transactions on Signal and Information Processing ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
8.60
自引率
6.20%
发文量
30
审稿时长
40 weeks
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