CN1156164C - 代码转换器及其方法 - Google Patents

代码转换器及其方法 Download PDF

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Publication number
CN1156164C
CN1156164C CNB988115794A CN98811579A CN1156164C CN 1156164 C CN1156164 C CN 1156164C CN B988115794 A CNB988115794 A CN B988115794A CN 98811579 A CN98811579 A CN 98811579A CN 1156164 C CN1156164 C CN 1156164C
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frame
motion
vector
motion vector
estimated
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CNB988115794A
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Chinese (zh)
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CN1280743A (zh
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迈克尔·埃尔林·尼尔森
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穆罕默德·甘巴利
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British Telecommunications PLC
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British Telecommunications PLC
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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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CNB988115794A 1997-11-27 1998-11-27 代码转换器及其方法 Expired - Lifetime CN1156164C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97309575 1997-11-27
EP97309575.5 1997-11-27

Publications (2)

Publication Number Publication Date
CN1280743A CN1280743A (zh) 2001-01-17
CN1156164C true CN1156164C (zh) 2004-06-30

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CNB988115794A Expired - Lifetime CN1156164C (zh) 1997-11-27 1998-11-27 代码转换器及其方法

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US (1) US6625320B1 (enExample)
EP (1) EP1010330B1 (enExample)
JP (1) JP4132664B2 (enExample)
KR (1) KR100592651B1 (enExample)
CN (1) CN1156164C (enExample)
AU (1) AU744535B2 (enExample)
CA (1) CA2303516C (enExample)
DE (1) DE69803195T2 (enExample)
ES (1) ES2171312T3 (enExample)
WO (1) WO1999029113A1 (enExample)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6466623B1 (en) * 1998-03-27 2002-10-15 Industrial Technology Research Institute Method and apparatus for motion estimation for high performance transcoding
JP3855522B2 (ja) * 1999-02-23 2006-12-13 松下電器産業株式会社 動画変換装置
EP1083750A3 (en) * 1999-09-10 2009-09-23 NTT DoCoMo, Inc. Method and apparatus for transcoding coded video image data
CN101035277A (zh) 2000-03-13 2007-09-12 索尼公司 产生压缩的代码转换提示元数据的方法和设备
US7058127B2 (en) * 2000-12-27 2006-06-06 International Business Machines Corporation Method and system for video transcoding
GB2369952B (en) * 2001-03-10 2002-12-04 Ericsson Telefon Ab L M Transcoding of video signals
US7236529B2 (en) 2001-10-30 2007-06-26 Industrial Technology Research Institute Methods and systems for video transcoding in DCT domain with low complexity
US7173947B1 (en) * 2001-11-28 2007-02-06 Cisco Technology, Inc. Methods and apparatus to evaluate statistical remultiplexer performance
US20030105880A1 (en) * 2001-12-04 2003-06-05 Koninklijke Philips Electronics N.V. Distributed processing, storage, and transmision of multimedia information
KR100446083B1 (ko) * 2002-01-02 2004-08-30 삼성전자주식회사 움직임 추정 및 모드 결정 장치 및 방법
JP4193406B2 (ja) 2002-04-16 2008-12-10 三菱電機株式会社 映像データ変換装置および映像データ変換方法
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
CN100568964C (zh) 2003-02-18 2009-12-09 诺基亚有限公司 图像解码方法
JP5068947B2 (ja) * 2003-02-18 2012-11-07 ノキア コーポレイション ピクチャの符号化方法
US7133452B1 (en) * 2003-02-24 2006-11-07 Vixs Systems, Inc. Method and system for transcoding video data
US7606305B1 (en) * 2003-02-24 2009-10-20 Vixs Systems, Inc. Method and system for transcoding video data
US7327784B2 (en) * 2003-02-24 2008-02-05 Vixs Systems, Inc. Method and system for transcoding video data
KR100693669B1 (ko) * 2003-03-03 2007-03-09 엘지전자 주식회사 피일드 매크로 블록의 레퍼런스 픽쳐 결정 방법
JP2006524000A (ja) * 2003-04-17 2006-10-19 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ ビデオトランスコーディング
EP1661392B1 (en) * 2003-08-11 2021-03-24 Warner Bros. Entertainment Inc. Digital media distribution device
DE10343220B3 (de) * 2003-09-18 2005-05-25 Siemens Ag Verfahren und Vorrichtung zur Transcodierung eines Datenstroms, der ein oder mehrere codierte digitalisierte Bilder umfasst
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
KR100965881B1 (ko) * 2003-10-10 2010-06-24 삼성전자주식회사 비디오 데이터 인코딩 시스템 및 디코딩 시스템
KR100595616B1 (ko) * 2003-11-24 2006-06-30 엘지전자 주식회사 디지털 동영상 트랜스코딩을 위한 움직임 추정 방법
US20050201471A1 (en) 2004-02-13 2005-09-15 Nokia Corporation Picture decoding method
US7296205B2 (en) * 2004-02-18 2007-11-13 Nokia Corporation Data repair
US20070230805A1 (en) * 2004-07-27 2007-10-04 Yoshihisa Yamada Coded Data Recording Apparatus, Decoding Apparatus and Program
US9124907B2 (en) * 2004-10-04 2015-09-01 Nokia Technologies Oy Picture buffering method
KR100679022B1 (ko) * 2004-10-18 2007-02-05 삼성전자주식회사 계층간 필터링을 이용한 비디오 코딩 및 디코딩방법과,비디오 인코더 및 디코더
US20060210156A1 (en) * 2005-03-18 2006-09-21 Sharp Laboratories Of America, Inc. Video compression for raw rgb format using residual color transform
US8208540B2 (en) * 2005-08-05 2012-06-26 Lsi Corporation Video bitstream transcoding method and apparatus
US7912127B2 (en) * 2005-08-05 2011-03-22 Lsi Corporation H.264 to VC-1 and VC-1 to H.264 transcoding
US7881384B2 (en) * 2005-08-05 2011-02-01 Lsi Corporation Method and apparatus for H.264 to MPEG-2 video transcoding
US8155194B2 (en) * 2005-08-05 2012-04-10 Lsi Corporation Method and apparatus for MPEG-2 to H.264 video transcoding
US8045618B2 (en) 2005-08-05 2011-10-25 Lsi Corporation Method and apparatus for MPEG-2 to VC-1 video transcoding
US7903739B2 (en) * 2005-08-05 2011-03-08 Lsi Corporation Method and apparatus for VC-1 to MPEG-2 video transcoding
US8559525B2 (en) * 2005-10-21 2013-10-15 Amimon Ltd. Apparatus and method for uncompressed, wireless transmission of video
US7860180B2 (en) * 2005-10-21 2010-12-28 Amimon Ltd OFDM modem for transmission of continuous complex numbers
US20070297612A1 (en) * 2005-10-21 2007-12-27 Meir Feder Method, device and system of encrypted wireless communication
JP2009513064A (ja) * 2005-10-21 2009-03-26 アミモン リミテッド 圧縮されていない映像のワイヤレス送信の装置および方法
ZA200805337B (en) 2006-01-09 2009-11-25 Thomson Licensing Method and apparatus for providing reduced resolution update mode for multiview video coding
US7515710B2 (en) 2006-03-14 2009-04-07 Divx, Inc. Federated digital rights management scheme including trusted systems
US8290036B2 (en) * 2008-06-11 2012-10-16 Optibase Technologies Ltd. Method, apparatus and system for concurrent processing of multiple video streams
AU2010203605B2 (en) 2009-01-07 2015-05-14 Divx, Llc Singular, collective and automated creation of a media guide for online content
US8687685B2 (en) 2009-04-14 2014-04-01 Qualcomm Incorporated Efficient transcoding of B-frames to P-frames
WO2011068668A1 (en) 2009-12-04 2011-06-09 Divx, Llc Elementary bitstream cryptographic material transport systems and methods
US9247312B2 (en) 2011-01-05 2016-01-26 Sonic Ip, Inc. Systems and methods for encoding source media in matroska container files for adaptive bitrate streaming using hypertext transfer protocol
US9467708B2 (en) 2011-08-30 2016-10-11 Sonic Ip, Inc. Selection of resolutions for seamless resolution switching of multimedia content
US8964977B2 (en) 2011-09-01 2015-02-24 Sonic Ip, Inc. Systems and methods for saving encoded media streamed using adaptive bitrate streaming
US8909922B2 (en) 2011-09-01 2014-12-09 Sonic Ip, Inc. Systems and methods for playing back alternative streams of protected content protected using common cryptographic information
BR112014028283A2 (pt) 2012-05-14 2017-07-18 Guido Meardi codificação e reconstrução de dados residuais com base em informações de suporte
US9191457B2 (en) 2012-12-31 2015-11-17 Sonic Ip, Inc. Systems, methods, and media for controlling delivery of content
US9313510B2 (en) 2012-12-31 2016-04-12 Sonic Ip, Inc. Use of objective quality measures of streamed content to reduce streaming bandwidth
US9906785B2 (en) * 2013-03-15 2018-02-27 Sonic Ip, Inc. Systems, methods, and media for transcoding video data according to encoding parameters indicated by received metadata
US10397292B2 (en) 2013-03-15 2019-08-27 Divx, Llc Systems, methods, and media for delivery of content
US9094737B2 (en) 2013-05-30 2015-07-28 Sonic Ip, Inc. Network video streaming with trick play based on separate trick play files
US9967305B2 (en) 2013-06-28 2018-05-08 Divx, Llc Systems, methods, and media for streaming media content
US9866878B2 (en) 2014-04-05 2018-01-09 Sonic Ip, Inc. Systems and methods for encoding and playing back video at different frame rates using enhancement layers
US10498795B2 (en) 2017-02-17 2019-12-03 Divx, Llc Systems and methods for adaptive switching between multiple content delivery networks during adaptive bitrate streaming

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9301358A (nl) 1993-08-04 1995-03-01 Nederland Ptt Transcodeerinrichting.
US5473379A (en) * 1993-11-04 1995-12-05 At&T Corp. Method and apparatus for improving motion compensation in digital video coding
JP3031152B2 (ja) * 1993-12-24 2000-04-10 日本電気株式会社 動き予測プロセッサ及び動き予測装置
EP0661885A1 (en) * 1993-12-28 1995-07-05 Canon Kabushiki Kaisha Image processing method and apparatus for converting between data coded in different formats
US5940130A (en) * 1994-04-21 1999-08-17 British Telecommunications Public Limited Company Video transcoder with by-pass transfer of extracted motion compensation data
SG43051A1 (en) 1994-04-21 1997-10-17 British Telecomm A transcoder
DE69522861T2 (de) 1994-06-30 2002-04-11 Koninklijke Philips Electronics N.V., Eindhoven Verfahren und Einrichtung zur Codeumwandlung von codiertem Datenstrom
US5512953A (en) * 1994-08-09 1996-04-30 At&T Corp. Method and apparatus for conversion of compressed bit stream representation of video signal
JP3058028B2 (ja) 1994-10-31 2000-07-04 三菱電機株式会社 画像符号化データ再符号化装置
US5600646A (en) 1995-01-27 1997-02-04 Videoserver, Inc. Video teleconferencing system with digital transcoding
US5774206A (en) * 1995-05-10 1998-06-30 Cagent Technologies, Inc. Process for controlling an MPEG decoder
US5956088A (en) 1995-11-21 1999-09-21 Imedia Corporation Method and apparatus for modifying encoded digital video for improved channel utilization
JPH09182083A (ja) * 1995-12-27 1997-07-11 Matsushita Electric Ind Co Ltd ビデオ画像符号化方法及び復号化方法とその装置
JPH1051766A (ja) 1996-08-05 1998-02-20 Mitsubishi Electric Corp 画像符号化データ変換装置
SE515535C2 (sv) * 1996-10-25 2001-08-27 Ericsson Telefon Ab L M En transkoder

Also Published As

Publication number Publication date
EP1010330A1 (en) 2000-06-21
US6625320B1 (en) 2003-09-23
ES2171312T3 (es) 2002-09-01
AU1252899A (en) 1999-06-16
JP2001525638A (ja) 2001-12-11
EP1010330B1 (en) 2002-01-16
WO1999029113A1 (en) 1999-06-10
JP4132664B2 (ja) 2008-08-13
HK1029694A1 (en) 2001-04-06
KR20010031222A (ko) 2001-04-16
AU744535B2 (en) 2002-02-28
DE69803195D1 (de) 2002-02-21
CA2303516A1 (en) 1999-06-10
CN1280743A (zh) 2001-01-17
CA2303516C (en) 2007-09-11
DE69803195T2 (de) 2002-08-29
KR100592651B1 (ko) 2006-06-23

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