Jay Sharma, T. Choudhury, S. Satapathy, A. Sabitha
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引用次数: 3
摘要
该研究将H.265视频压缩标准与其前身H.264和谷歌开发的VP9进行了分析。本文综述了H.265/HEVC标准化的最新进展。在FFmpeg命令行工具中使用不同容器，使用符合这3个标准的未压缩视频(帧)样本进行分析。并对编码后的压缩视频样本进行了SCR、SS、带宽、大小、时间、效率和实用性等方面的分析。高效视频编码(High Efficiency Video Coding, HEVC)是新一代的视频压缩标准，它比现有的标准具有更高的压缩能力，并且在编码性能上比之前的标准有了更大的改进。压缩性能归功于四叉树结构、并行编码/解码(编解码器)、内部预测模式、整数变换等。有了正确的编解码器，多媒体公司可以在保持质量不变的情况下节省数百万美元的存储费用，从而提高吞吐量和利润。成本效率是在业务发展方面执行的。
Study on H.265/HEVC against VP9 and H.264 : On Space and Time Complexity for Codecs
The study analyzes H.265 video compression standard against its predecessor H.264 and Google’s developed VP9. A review of the recent developments in H.265/HEVC standardization have been provided. Analysis takes place using samples of uncompressed videos (frames) subjected to these 3 standards in FFmpeg command line tool with application of different containers. Further, these encoded compressed video samples are the ones which are analyzed on the basis of SCR, SS, bandwidth, size, time, efficiency and practicality. High Efficiency Video Coding (HEVC) is the proposed new generation of video compression standard, which enables substantially higher compression capability than the existing standards and exhibits superior coding performance improvements over its predecessors. Compression performance is owed to quad-tree structure, parallel encoding/decoding (codec), intra-prediction modes, integer transforms etc. With the right codec, multimedia companies could save millions on storage while keeping the quality intact, thereby increasing throughput and profits. Cost efficiency is performed with respect to the business development.
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