CN1946182B - 代码转换器、记录装置和代码转换方法 - Google Patents
代码转换器、记录装置和代码转换方法 Download PDFInfo
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- CN1946182B CN1946182B CN2006100733544A CN200610073354A CN1946182B CN 1946182 B CN1946182 B CN 1946182B CN 2006100733544 A CN2006100733544 A CN 2006100733544A CN 200610073354 A CN200610073354 A CN 200610073354A CN 1946182 B CN1946182 B CN 1946182B
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- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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- 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
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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- 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
- H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
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- 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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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- 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
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- 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
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- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
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- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- 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
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Television Signal Processing For Recording (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2005290638 | 2005-10-04 | ||
JP2005290638A JP4534935B2 (ja) | 2005-10-04 | 2005-10-04 | トランスコーダ、記録装置及びトランスコード方法 |
JP2005-290638 | 2005-10-04 |
Related Child Applications (1)
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CN2010102485009A Division CN101895765B (zh) | 2005-10-04 | 2006-03-31 | 代码转换器、记录装置和代码转换方法 |
Publications (2)
Publication Number | Publication Date |
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CN1946182A CN1946182A (zh) | 2007-04-11 |
CN1946182B true CN1946182B (zh) | 2010-09-29 |
Family
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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CN2010102485009A Active CN101895765B (zh) | 2005-10-04 | 2006-03-31 | 代码转换器、记录装置和代码转换方法 |
CN2006100733544A Active CN1946182B (zh) | 2005-10-04 | 2006-03-31 | 代码转换器、记录装置和代码转换方法 |
Family Applications Before (1)
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CN2010102485009A Active CN101895765B (zh) | 2005-10-04 | 2006-03-31 | 代码转换器、记录装置和代码转换方法 |
Country Status (3)
Country | Link |
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US (2) | US7924919B2 (zh) |
JP (1) | JP4534935B2 (zh) |
CN (2) | CN101895765B (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4942610B2 (ja) * | 2006-10-26 | 2012-05-30 | パナソニック株式会社 | トランスコード装置及びトランスコード方法 |
EP2080377A2 (en) * | 2006-10-31 | 2009-07-22 | THOMSON Licensing | Method and apparatus for transrating bit streams |
JP2008160398A (ja) * | 2006-12-22 | 2008-07-10 | Matsushita Electric Ind Co Ltd | 動画像符号化装置および動画像符号化方法 |
US20100020883A1 (en) | 2007-07-11 | 2010-01-28 | Panasonic Corporation | Transcoder, transcoding method, decoder, and decoding method |
JP2009111718A (ja) * | 2007-10-30 | 2009-05-21 | Nippon Telegr & Teleph Corp <Ntt> | 映像再符号化装置、映像再符号化方法、映像再符号化プログラムおよびそのプログラムを記録したコンピュータ読み取り可能な記録媒体 |
JP2009290387A (ja) * | 2008-05-28 | 2009-12-10 | Hitachi Ltd | エンコーダ、デコーダ、及び記録再生装置 |
US8737825B2 (en) * | 2009-09-10 | 2014-05-27 | Apple Inc. | Video format for digital video recorder |
CN108391135B (zh) * | 2011-06-15 | 2022-07-19 | 韩国电子通信研究院 | 可伸缩解码方法/设备、可伸缩编码方法/设备和介质 |
US9386267B1 (en) * | 2012-02-14 | 2016-07-05 | Arris Enterprises, Inc. | Cooperative transcoding to multiple streams |
CN108965883B (zh) | 2012-06-28 | 2022-08-30 | 阿克西斯股份公司 | 使用虚拟帧内帧对视频内容进行编码的系统和方法 |
GB2512829B (en) * | 2013-04-05 | 2015-05-27 | Canon Kk | Method and apparatus for encoding or decoding an image with inter layer motion information prediction according to motion information compression scheme |
US20160234523A1 (en) * | 2013-09-06 | 2016-08-11 | Mitsubishi Electric Corporation | Video encoding device, video transcoding device, video encoding method, video transcoding method, and video stream transmission system |
CN104519294B (zh) | 2013-09-27 | 2018-02-09 | 杭州海康威视数字技术股份有限公司 | 基于移动信息的视频录像智能回放方法及其装置 |
CN105681808B (zh) * | 2016-03-16 | 2017-10-31 | 同济大学 | 一种scc帧间编码单元模式的快速决策方法 |
Citations (4)
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CN1126409A (zh) * | 1994-10-31 | 1996-07-10 | 三菱电机株式会社 | 图象编码数据再编码设备 |
CN1146840A (zh) * | 1994-04-21 | 1997-04-02 | 英国电讯有限公司 | 一种编码转换器 |
US6466623B1 (en) * | 1998-03-27 | 2002-10-15 | Industrial Technology Research Institute | Method and apparatus for motion estimation for high performance transcoding |
CN1581981A (zh) * | 2003-08-12 | 2005-02-16 | 株式会社日立制作所 | 代码转换器和使用它的摄像装置及信号处理装置 |
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EP0562221B1 (en) * | 1992-03-27 | 1997-10-15 | Alcatel | Video decoder |
JP3166736B2 (ja) * | 1998-11-25 | 2001-05-14 | 日本電気株式会社 | 動画像符号化装置および動画像符号化方法 |
US7266150B2 (en) * | 2001-07-11 | 2007-09-04 | Dolby Laboratories, Inc. | Interpolation of video compression frames |
US7643559B2 (en) * | 2001-09-14 | 2010-01-05 | Ntt Docomo, Inc. | Coding method, decoding method, coding apparatus, decoding apparatus, image processing system, coding program, and decoding program |
JP3907996B2 (ja) * | 2001-10-15 | 2007-04-18 | 日本電信電話株式会社 | 画像符号化装置、画像復号装置並びにその方法及び画像符号化プログラム、画像復号プログラム |
JP2003299103A (ja) * | 2002-03-29 | 2003-10-17 | Toshiba Corp | 動画像符号化方法と装置及び動画像復号化方法と装置 |
JP4015934B2 (ja) * | 2002-04-18 | 2007-11-28 | 株式会社東芝 | 動画像符号化方法及び装置 |
JP3944225B2 (ja) * | 2002-04-26 | 2007-07-11 | 株式会社エヌ・ティ・ティ・ドコモ | 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法、画像符号化プログラム及び画像復号プログラム |
JP4346868B2 (ja) | 2002-06-17 | 2009-10-21 | 株式会社日立製作所 | 動画符号化装置、及び動画記録再生装置、及び動画再生装置、及び動画符号化方法ならびに動画記録再生方法 |
US7822120B2 (en) * | 2002-07-26 | 2010-10-26 | Panasonic Corporation | Moving picture encoding method, moving picture decoding method, and recording medium |
JP3968712B2 (ja) * | 2003-04-28 | 2007-08-29 | ソニー株式会社 | 動き予測補償装置及びその方法 |
CN1875637A (zh) * | 2003-08-26 | 2006-12-06 | 汤姆森特许公司 | 最小化用于相互编码的参考画面数目的方法和装置 |
US7330509B2 (en) * | 2003-09-12 | 2008-02-12 | International Business Machines Corporation | Method for video transcoding with adaptive frame rate control |
JP4470431B2 (ja) * | 2003-10-01 | 2010-06-02 | ソニー株式会社 | データ処理装置およびその方法 |
JP2005176095A (ja) | 2003-12-12 | 2005-06-30 | Canon Inc | 画像符号化装置及び方法 |
JP2005184495A (ja) * | 2003-12-19 | 2005-07-07 | Kddi Corp | 動画像符号化装置およびその方法 |
TWI230547B (en) * | 2004-02-04 | 2005-04-01 | Ind Tech Res Inst | Low-complexity spatial downscaling video transcoder and method thereof |
JP4247680B2 (ja) * | 2004-07-07 | 2009-04-02 | ソニー株式会社 | 符号化装置、符号化方法、符号化方法のプログラム及び符号化方法のプログラムを記録した記録媒体 |
EP1628484B1 (en) * | 2004-08-18 | 2019-04-03 | STMicroelectronics Srl | Method for transcoding compressed video signals, related apparatus and computer program product therefor |
KR101104828B1 (ko) * | 2004-12-09 | 2012-01-16 | 삼성전자주식회사 | 움직임 벡터 연산 장치 및 그 방법 |
US9172973B2 (en) * | 2005-04-01 | 2015-10-27 | Broadcom Corporation | Method and system for motion estimation in a video encoder |
US8155189B2 (en) * | 2005-10-19 | 2012-04-10 | Freescale Semiconductor, Inc. | System and method of coding mode decision for video encoding |
-
2005
- 2005-10-04 JP JP2005290638A patent/JP4534935B2/ja not_active Expired - Fee Related
-
2006
- 2006-03-06 US US11/367,295 patent/US7924919B2/en active Active
- 2006-03-31 CN CN2010102485009A patent/CN101895765B/zh active Active
- 2006-03-31 CN CN2006100733544A patent/CN1946182B/zh active Active
-
2011
- 2011-04-04 US US13/079,056 patent/US8249155B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1146840A (zh) * | 1994-04-21 | 1997-04-02 | 英国电讯有限公司 | 一种编码转换器 |
CN1126409A (zh) * | 1994-10-31 | 1996-07-10 | 三菱电机株式会社 | 图象编码数据再编码设备 |
US6466623B1 (en) * | 1998-03-27 | 2002-10-15 | Industrial Technology Research Institute | Method and apparatus for motion estimation for high performance transcoding |
CN1581981A (zh) * | 2003-08-12 | 2005-02-16 | 株式会社日立制作所 | 代码转换器和使用它的摄像装置及信号处理装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101895765B (zh) | 2013-09-04 |
US7924919B2 (en) | 2011-04-12 |
US8249155B2 (en) | 2012-08-21 |
CN101895765A (zh) | 2010-11-24 |
CN1946182A (zh) | 2007-04-11 |
JP4534935B2 (ja) | 2010-09-01 |
JP2007104231A (ja) | 2007-04-19 |
US20070076794A1 (en) | 2007-04-05 |
US20110274171A1 (en) | 2011-11-10 |
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