h.265/mpeg-h part 2 wikipedia - EAS
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See all on Wikipediahttps://en.wikipedia.org/wiki/High_Efficiency_Video_CodingHigh Efficiency Video Coding (HEVC), also known as H.265 and MPEG-H Part 2, is a video compression standard designed as part of the MPEG-H project as a successor to the widely used Advanced Video Coding (AVC, H.264, or MPEG-4 Part 10). In comparison to AVC, HEVC offers from 25% to 50%
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See moreIn most ways, HEVC is an extension of the concepts in H.264/MPEG-4 AVC. Both work by comparing different parts of a frame of video to find areas that are redundant, both within a single frame and between consecutive
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See moreThe design of most video coding standards is primarily aimed at having the highest coding efficiency. Coding efficiency is the ability to
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See moreVersion 1 of the HEVC standard defines three profiles: Main, Main 10, and Main Still Picture. Version 2 of HEVC adds 21 range extensions profiles,
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See moreThe HEVC standard defines two tiers, Main and High, and thirteen levels. A level is a set of constraints for a bitstream. For levels below level 4 only
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The HEVC format was jointly developed by more than a dozen organisations across the world. The majority of active patent contributions towards the development of the HEVC format came from five organizations: Samsung Electronics (4,249 patents),
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See moreHEVC was designed to substantially improve coding efficiency compared with H.264/MPEG-4 AVC HP, i.e. to reduce bitrate requirements by half with comparable
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See moreMPEG has published an amendment which added HEVC support to the MPEG transport stream used by ATSC, DVB, and Blu-ray Disc;
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See moreWikipedia text under CC-BY-SA license- https://en.wikipedia.org/wiki/MPEG-H
MPEG-H is a group of international standards under development by the ISO/IEC Moving Picture Experts Group (MPEG). It has various "parts" – each of which can be considered a separate standard. These include a media transport protocol standard, a video compression standard, an audio compression standard, a digital file format container standard, three reference software packages, three conformance testing standards, and related technologies and technical reports. …
Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 4 mins
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- https://en.wikipedia.org/wiki/H.262/MPEG-2_Part_2
- H.262 or MPEG-2 Part 2 is a video coding format standardised and jointly maintained by ITU-T Study Group 16 Video Coding Experts Group and ISO/IEC Moving Picture Experts Group, and developed with the involvement of many companies. It is the second part of the ISO/IEC MPEG-2 standard. The ITU-T Recommendation H.262 and ISO/IEC 13818-2 documents are ...
- First published: May 1996
- Status: In force
- License: Expired patents
- Year started: 1995
- https://en.wikipedia.org/wiki/MPEG-2
MPEG-2 (a.k.a. H.222/H.262 as was defined by the ITU) ... While MPEG-2 is not as efficient as newer standards such as H.264/AVC and H.265/HEVC, ... Sakae Okubo of NTT was the ITU-T coordinator for developing the H.262/MPEG-2 Part 2 video coding standard and the requirements chairman in MPEG for the MPEG-2 set of standards. ...
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- https://ja.wikipedia.org/wiki/H.265
- ブロックサイズの適正化など圧縮効率が優れており、MPEG-2 (H.262) 比で約4倍、H.264/AVCとの比較でも約2倍の圧縮性能を有すると発表している。H.264以来10年ぶりの新規格であり、今後10年間をサポートする規格であるとしている。後継はH.266（Versatile Video Coding）であり、2020年7月に承認されている。 Windowsを除く主要なOSであるmacOS、Android、iOSの各最 …
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