MA50765A - Procédé de transcodage vidéo, dispositif informatique et support de stockage - Google Patents
Procédé de transcodage vidéo, dispositif informatique et support de stockageInfo
- Publication number
- MA50765A MA50765A MA050765A MA50765A MA50765A MA 50765 A MA50765 A MA 50765A MA 050765 A MA050765 A MA 050765A MA 50765 A MA50765 A MA 50765A MA 50765 A MA50765 A MA 50765A
- Authority
- MA
- Morocco
- Prior art keywords
- storage media
- computer device
- video transcoding
- transcoding process
- video
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
- H04N19/194—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive involving only two passes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710937011.6A CN109660825B (zh) | 2017-10-10 | 2017-10-10 | 视频转码方法、装置、计算机设备及存储介质 |
Publications (1)
Publication Number | Publication Date |
---|---|
MA50765A true MA50765A (fr) | 2020-08-19 |
Family
ID=66101287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA050765A MA50765A (fr) | 2017-10-10 | 2018-06-28 | Procédé de transcodage vidéo, dispositif informatique et support de stockage |
Country Status (7)
Country | Link |
---|---|
US (1) | US10951905B2 (fr) |
EP (1) | EP3697095A4 (fr) |
JP (1) | JP6881819B2 (fr) |
KR (1) | KR102291570B1 (fr) |
CN (1) | CN109660825B (fr) |
MA (1) | MA50765A (fr) |
WO (1) | WO2019071984A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11184021B2 (en) | 2019-03-15 | 2021-11-23 | Samsung Electronics Co., Ltd. | Using predicates in conditional transcoder for column store |
CN110944200B (zh) * | 2019-12-10 | 2022-03-15 | 南京大学 | 一种评估沉浸式视频转码方案的方法 |
CN111193924B (zh) * | 2019-12-26 | 2022-01-25 | 腾讯科技(深圳)有限公司 | 视频码率的确定方法、装置、计算机设备及存储介质 |
CN111107395B (zh) * | 2019-12-31 | 2021-08-03 | 广州市百果园网络科技有限公司 | 一种视频转码的方法、装置、服务器和存储介质 |
CN112203094B (zh) * | 2020-11-16 | 2024-05-14 | 北京世纪好未来教育科技有限公司 | 编码方法、装置、电子设备及存储介质 |
CN114333862B (zh) * | 2021-11-10 | 2024-05-03 | 腾讯科技(深圳)有限公司 | 音频编码方法、解码方法、装置、设备、存储介质及产品 |
CN116756589B (zh) * | 2023-08-16 | 2023-11-17 | 北京壁仞科技开发有限公司 | 匹配算子的方法、计算设备和计算机可读存储介质 |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3244399B2 (ja) * | 1994-03-25 | 2002-01-07 | 三洋電機株式会社 | 圧縮動画像符号信号の情報量変換回路、及び方法 |
US5677969A (en) * | 1995-02-23 | 1997-10-14 | Motorola, Inc. | Method, rate controller, and system for preventing overflow and underflow of a decoder buffer in a video compression system |
US6441754B1 (en) * | 1999-08-17 | 2002-08-27 | General Instrument Corporation | Apparatus and methods for transcoder-based adaptive quantization |
JP3561485B2 (ja) * | 2000-08-18 | 2004-09-02 | 株式会社メディアグルー | 符号化信号分離・合成装置、差分符号化信号生成装置、符号化信号分離・合成方法、差分符号化信号生成方法、符号化信号分離・合成プログラムを記録した媒体および差分符号化信号生成プログラムを記録した媒体 |
US20030215011A1 (en) * | 2002-05-17 | 2003-11-20 | General Instrument Corporation | Method and apparatus for transcoding compressed video bitstreams |
KR100540655B1 (ko) * | 2003-01-23 | 2006-01-10 | 삼성전자주식회사 | 비디오 코딩시의 비트율 제어 방법 및 장치 |
JP4063204B2 (ja) * | 2003-11-20 | 2008-03-19 | セイコーエプソン株式会社 | 画像データ圧縮装置及びエンコーダ |
JP4747494B2 (ja) * | 2004-03-03 | 2011-08-17 | ソニー株式会社 | データ処理装置およびその方法と符号化装置 |
US8295343B2 (en) * | 2005-11-18 | 2012-10-23 | Apple Inc. | Video bit rate control method |
CN101009829A (zh) * | 2006-01-25 | 2007-08-01 | 松下电器产业株式会社 | 可以及累积误差的比特元率转换编码方法,转换编码器,及集成电路 |
US8320450B2 (en) * | 2006-03-29 | 2012-11-27 | Vidyo, Inc. | System and method for transcoding between scalable and non-scalable video codecs |
US20070274396A1 (en) * | 2006-05-26 | 2007-11-29 | Ximin Zhang | Complexity adaptive skip mode estimation for video encoding |
JP4624321B2 (ja) * | 2006-08-04 | 2011-02-02 | 株式会社メガチップス | トランスコーダおよび符号化画像変換方法 |
US8982947B2 (en) * | 2007-07-20 | 2015-03-17 | The Hong Kong University Of Science And Technology | Rate control and video denoising for noisy video data |
JP5427785B2 (ja) * | 2007-09-28 | 2014-02-26 | ドルビー ラボラトリーズ ライセンシング コーポレイション | ビデオ圧縮技法及びビデオ伝達技法 |
CN101816181A (zh) * | 2007-10-05 | 2010-08-25 | 汤姆逊许可公司 | 用于视频编解码中速率控制精度的方法和装置 |
CN101594525B (zh) * | 2008-05-31 | 2011-08-10 | 华为技术有限公司 | 量化参数的获取方法、装置及转码器 |
RU2479942C2 (ru) * | 2008-06-27 | 2013-04-20 | Сони Корпорейшн | Устройство обработки изображения и способ обработки изображения |
CN101888542B (zh) * | 2010-06-11 | 2013-01-09 | 北京数码视讯科技股份有限公司 | 视频转码的帧级码率控制方法及转码器 |
CN101924943B (zh) * | 2010-08-27 | 2011-11-16 | 郭敏 | 一种实时的基于h.264的低比特率视频转码方法 |
JP6056122B2 (ja) * | 2011-01-24 | 2017-01-11 | ソニー株式会社 | 画像符号化装置と画像復号装置およびその方法とプログラム |
CN102685485B (zh) * | 2011-03-11 | 2014-11-05 | 华为技术有限公司 | 编码方法以及装置、解码方法以及装置 |
CN102685478B (zh) * | 2011-03-11 | 2015-04-29 | 华为技术有限公司 | 编码方法以及装置、解码方法以及装置 |
JPWO2012124461A1 (ja) * | 2011-03-11 | 2014-07-17 | ソニー株式会社 | 画像処理装置および方法 |
US8804820B2 (en) * | 2011-04-21 | 2014-08-12 | Dialogic Corporation | Rate control with look-ahead for video transcoding |
JP5900163B2 (ja) * | 2012-05-30 | 2016-04-06 | ソニー株式会社 | 画像処理装置、画像処理方法およびプログラム |
CN103763559B (zh) * | 2014-01-09 | 2017-12-29 | 能力天空科技(北京)有限公司 | 一种视频文件转码方法 |
JP2015186120A (ja) * | 2014-03-25 | 2015-10-22 | 沖電気工業株式会社 | 符号化方式変換装置及びプログラム |
CN104202660A (zh) * | 2014-09-15 | 2014-12-10 | 乐视网信息技术(北京)股份有限公司 | 分片转码方法及装置 |
US10097828B2 (en) * | 2014-12-11 | 2018-10-09 | Intel Corporation | Rate control for parallel video encoding |
CN105992004B (zh) * | 2015-02-13 | 2019-03-22 | 北京博雅华录视听技术研究院有限公司 | 基于视频编码标准的图像编码码率控制方法 |
CN104717507A (zh) * | 2015-03-31 | 2015-06-17 | 北京奇艺世纪科技有限公司 | 一种视频转码方法及装置 |
CN106488227B (zh) * | 2016-10-12 | 2019-03-15 | 广东中星电子有限公司 | 一种视频参考帧管理方法和*** |
US10506196B2 (en) * | 2017-04-01 | 2019-12-10 | Intel Corporation | 360 neighbor-based quality selector, range adjuster, viewport manager, and motion estimator for graphics |
-
2017
- 2017-10-10 CN CN201710937011.6A patent/CN109660825B/zh active Active
-
2018
- 2018-06-28 JP JP2019561246A patent/JP6881819B2/ja active Active
- 2018-06-28 WO PCT/CN2018/093318 patent/WO2019071984A1/fr unknown
- 2018-06-28 MA MA050765A patent/MA50765A/fr unknown
- 2018-06-28 KR KR1020197035404A patent/KR102291570B1/ko active IP Right Grant
- 2018-06-28 EP EP18866688.7A patent/EP3697095A4/fr active Pending
-
2019
- 2019-06-10 US US16/436,570 patent/US10951905B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10951905B2 (en) | 2021-03-16 |
US20190320193A1 (en) | 2019-10-17 |
CN109660825A (zh) | 2019-04-19 |
JP6881819B2 (ja) | 2021-06-02 |
CN109660825B (zh) | 2021-02-09 |
EP3697095A4 (fr) | 2021-07-07 |
EP3697095A1 (fr) | 2020-08-19 |
KR20200003115A (ko) | 2020-01-08 |
WO2019071984A1 (fr) | 2019-04-18 |
JP2020519207A (ja) | 2020-06-25 |
KR102291570B1 (ko) | 2021-08-19 |
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