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1. 北京大学信息科学技术学院,北京 100871
2. 中国科学院计算技术研究所,北京 100081
[ "马思伟(1979-),男,北京大学信息科学技术学院教授,主要研究方向为视频处理与编码。" ]
[ "罗法蕾(1991-),男,中国科学院计算技术研究所博士生,主要研究方向为视频编码。" ]
[ "黄铁军(1970-),男,北京大学信息科学技术学院教授、计算机科学技术系主任,主要研究方向为视觉信息处理与神经形态计算。" ]
网络出版日期:2017-08,
纸质出版日期:2017-08-15
移动端阅览
马思伟, 罗法蕾, 黄铁军. AVS2视频编码标准技术特色及应用[J]. 电信科学, 2017,33(8):1-15.
Siwei MA, Falei LUO, Tiejun HUANG. Kernel technologies and applications of AVS2 video coding standard[J]. Telecommunications science, 2017, 33(8): 1-15.
马思伟, 罗法蕾, 黄铁军. AVS2视频编码标准技术特色及应用[J]. 电信科学, 2017,33(8):1-15. DOI: 10.11959/j.issn.1000-0801.2017245.
Siwei MA, Falei LUO, Tiejun HUANG. Kernel technologies and applications of AVS2 video coding standard[J]. Telecommunications science, 2017, 33(8): 1-15. DOI: 10.11959/j.issn.1000-0801.2017245.
围绕视频编码核心技术,简单介绍AVS视频编码标准发展历程,详细介绍了最新一代AVS视频编码标准——AVS2(GB/T 33475.2-2016)的核心创新技术,主要包括:灵活的预测划分方式、多假设帧间预测、优化的层次变换设计和自适应环路滤波处理技术以及面向场景视频应用 AVS2 提出的基于场景建模的高效预测编码技术。和第一代AVS视频编码标准相比,AVS2编码效率提升一倍以上;和同期HEVC/H.265国际标准相比, AVS2在场景视频编码方面有显著优势。另外简单介绍了AVS标准在数字电视广播等行业中的应用情况。
A brief introduction was given to the development history of AVS video coding standards.Then an overview of the key technologies adopted in AVS2 video coding standard (GB/T 33475.2-2016) was provided
including flexible prediction partition
multiple hypothesis prediction
optimized two-level transform
adaptive loop filter and background picture model based prediction coding for scene video.Compared to the AVS1
AVS2 can achieve more than 50% bits saving.And compared to HEVC/H.265
AVS2 can achieve significant coding efficiency improvement for scene video coding.Moreover
the applications of AVS standard in digital TV broadcasting was introduced briefly.
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