DE69803195T2 - Codeumsetzung - Google Patents

Codeumsetzung

Info

Publication number
DE69803195T2
DE69803195T2 DE69803195T DE69803195T DE69803195T2 DE 69803195 T2 DE69803195 T2 DE 69803195T2 DE 69803195 T DE69803195 T DE 69803195T DE 69803195 T DE69803195 T DE 69803195T DE 69803195 T2 DE69803195 T2 DE 69803195T2
Authority
DE
Germany
Prior art keywords
motion vector
frame
motion
vectors
coding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69803195T
Other languages
German (de)
English (en)
Other versions
DE69803195D1 (de
Inventor
Mohammed Ghanbari
Erling Nilsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of DE69803195D1 publication Critical patent/DE69803195D1/de
Publication of DE69803195T2 publication Critical patent/DE69803195T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N19/40—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69803195T 1997-11-27 1998-11-27 Codeumsetzung Expired - Lifetime DE69803195T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97309575 1997-11-27
PCT/GB1998/003553 WO1999029113A1 (en) 1997-11-27 1998-11-27 Transcoding

Publications (2)

Publication Number Publication Date
DE69803195D1 DE69803195D1 (de) 2002-02-21
DE69803195T2 true DE69803195T2 (de) 2002-08-29

Family

ID=8229639

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803195T Expired - Lifetime DE69803195T2 (de) 1997-11-27 1998-11-27 Codeumsetzung

Country Status (10)

Country Link
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)

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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
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KR20050112130A (ko) * 2003-04-17 2005-11-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 비디오 트랜스코딩
WO2005020565A1 (en) * 2003-08-11 2005-03-03 Warner Bros. Entertainment Inc. Digital media distribution device
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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
US8045618B2 (en) 2005-08-05 2011-10-25 Lsi Corporation Method and apparatus for MPEG-2 to VC-1 video transcoding
US7912127B2 (en) * 2005-08-05 2011-03-22 Lsi Corporation H.264 to VC-1 and VC-1 to H.264 transcoding
US8155194B2 (en) * 2005-08-05 2012-04-10 Lsi Corporation Method and apparatus for MPEG-2 to H.264 video transcoding
US7903739B2 (en) * 2005-08-05 2011-03-08 Lsi Corporation Method and apparatus for VC-1 to MPEG-2 video transcoding
US8208540B2 (en) * 2005-08-05 2012-06-26 Lsi Corporation Video bitstream transcoding method and apparatus
US7881384B2 (en) 2005-08-05 2011-02-01 Lsi Corporation Method and apparatus for H.264 to MPEG-2 video transcoding
US8559525B2 (en) * 2005-10-21 2013-10-15 Amimon Ltd. Apparatus and method for uncompressed, wireless transmission of video
US20070297612A1 (en) * 2005-10-21 2007-12-27 Meir Feder Method, device and system of encrypted wireless communication
US7860180B2 (en) * 2005-10-21 2010-12-28 Amimon Ltd OFDM modem for transmission of continuous complex numbers
WO2007048061A2 (en) * 2005-10-21 2007-04-26 Amimon Ltd. Apparatus and method for uncompressed, wireless transmission of video
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EP1999883A4 (en) 2006-03-14 2013-03-06 Divx Llc SCHEME FOR THE MANAGEMENT OF UNITED DIGITAL RIGHTS, INCLUDING TRUSTWORTHY SYSTEMS
US8290036B2 (en) * 2008-06-11 2012-10-16 Optibase Technologies Ltd. Method, apparatus and system for concurrent processing of multiple video streams
CN105072454B (zh) 2009-01-07 2019-04-19 索尼克Ip股份有限公司 针对在线内容的媒体指南的特定化、集中式、自动化创建
US8687685B2 (en) 2009-04-14 2014-04-01 Qualcomm Incorporated Efficient transcoding of B-frames to P-frames
US8781122B2 (en) 2009-12-04 2014-07-15 Sonic Ip, Inc. Elementary bitstream cryptographic material transport systems and methods
US8914534B2 (en) 2011-01-05 2014-12-16 Sonic Ip, Inc. Systems and methods for adaptive bitrate streaming of media stored in matroska container files 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
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
US8964977B2 (en) 2011-09-01 2015-02-24 Sonic Ip, Inc. Systems and methods for saving encoded media streamed using adaptive bitrate streaming
KR20150020568A (ko) 2012-05-14 2015-02-26 루카 로사토 시간을 따라 샘플들의 시퀀스들의 블렌딩에 기초한 인코딩과 디코딩
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
US10397292B2 (en) 2013-03-15 2019-08-27 Divx, Llc Systems, methods, and media for delivery of content
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
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

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US5473379A (en) * 1993-11-04 1995-12-05 At&T Corp. Method and apparatus for improving motion compensation in digital video coding
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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
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Also Published As

Publication number Publication date
CN1280743A (zh) 2001-01-17
US6625320B1 (en) 2003-09-23
ES2171312T3 (es) 2002-09-01
JP2001525638A (ja) 2001-12-11
JP4132664B2 (ja) 2008-08-13
KR100592651B1 (ko) 2006-06-23
EP1010330B1 (en) 2002-01-16
DE69803195D1 (de) 2002-02-21
WO1999029113A1 (en) 1999-06-10
KR20010031222A (ko) 2001-04-16
AU1252899A (en) 1999-06-16
HK1029694A1 (en) 2001-04-06
EP1010330A1 (en) 2000-06-21
CA2303516C (en) 2007-09-11
CN1156164C (zh) 2004-06-30
CA2303516A1 (en) 1999-06-10
AU744535B2 (en) 2002-02-28

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