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

代码转换器及其方法 Download PDF

Info

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
Authority
CN
China
Prior art keywords
frame
motion
vector
motion vector
estimated
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
CNB988115794A
Other languages
English (en)
Chinese (zh)
Other versions
CN1280743A (zh
Inventor
���֡���������ɭ
迈克尔·埃尔林·尼尔森
�¡��ʰ���
穆罕默德·甘巴利
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
Publication of CN1280743A publication Critical patent/CN1280743A/zh
Application granted granted Critical
Publication of CN1156164C publication Critical patent/CN1156164C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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)
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

Family

ID=8229639

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB988115794A Expired - Lifetime CN1156164C (zh) 1997-11-27 1998-11-27 代码转换器及其方法

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)

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
US7738550B2 (en) 2000-03-13 2010-06-15 Sony Corporation Method and apparatus for generating compact transcoding hints metadata
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
EP1595405B1 (en) * 2003-02-18 2019-12-04 Nokia Technologies Oy Method and device for transmitting media data in nal units over rtp
EP1595404B1 (en) 2003-02-18 2014-10-22 Nokia Corporation Picture decoding method
US7606305B1 (en) * 2003-02-24 2009-10-20 Vixs Systems, Inc. Method and system for transcoding video data
US7133452B1 (en) * 2003-02-24 2006-11-07 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
CN1774930A (zh) * 2003-04-17 2006-05-17 皇家飞利浦电子股份有限公司 视频转码
WO2005020565A1 (en) 2003-08-11 2005-03-03 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
JPWO2006011197A1 (ja) * 2004-07-27 2008-05-01 三菱電機株式会社 符号化データ再符号化装置及びその復号装置並びにプログラム
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
US7903739B2 (en) * 2005-08-05 2011-03-08 Lsi Corporation Method and apparatus for VC-1 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
US7912127B2 (en) * 2005-08-05 2011-03-22 Lsi Corporation H.264 to VC-1 and VC-1 to H.264 transcoding
US8045618B2 (en) * 2005-08-05 2011-10-25 Lsi Corporation Method and apparatus for MPEG-2 to VC-1 video transcoding
US7881384B2 (en) * 2005-08-05 2011-02-01 Lsi Corporation Method and apparatus for H.264 to MPEG-2 video transcoding
EP1938624A4 (en) * 2005-10-21 2009-10-28 Amimon Ltd APPARATUS AND METHOD FOR WIRELESS TRANSMISSION OF UNCOMPRESSED VIDEO
US20070297612A1 (en) * 2005-10-21 2007-12-27 Meir Feder Method, device and system of encrypted wireless communication
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
ZA200805337B (en) * 2006-01-09 2009-11-25 Thomson Licensing Method and apparatus for providing reduced resolution update mode for multiview video coding
JP5200204B2 (ja) 2006-03-14 2013-06-05 ディブエックス リミテッド ライアビリティー カンパニー 高信頼性システムを含む連合型デジタル権限管理機構
US8290036B2 (en) * 2008-06-11 2012-10-16 Optibase Technologies Ltd. Method, apparatus and system for concurrent processing of multiple video streams
MX2011007344A (es) 2009-01-07 2012-02-28 Divx Inc Creacion singular, colectiva y automatizada de una guia de medios de contenido en linea.
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

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
SG43051A1 (en) 1994-04-21 1997-10-17 British Telecomm A transcoder
US5940130A (en) * 1994-04-21 1999-08-17 British Telecommunications Public Limited Company Video transcoder with by-pass transfer of extracted motion compensation data
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
KR100592651B1 (ko) 2006-06-23
AU1252899A (en) 1999-06-16
KR20010031222A (ko) 2001-04-16
JP4132664B2 (ja) 2008-08-13
CN1280743A (zh) 2001-01-17
EP1010330A1 (en) 2000-06-21
DE69803195T2 (de) 2002-08-29
US6625320B1 (en) 2003-09-23
CA2303516C (en) 2007-09-11
DE69803195D1 (de) 2002-02-21
ES2171312T3 (es) 2002-09-01
AU744535B2 (en) 2002-02-28
WO1999029113A1 (en) 1999-06-10
HK1029694A1 (en) 2001-04-06
JP2001525638A (ja) 2001-12-11
EP1010330B1 (en) 2002-01-16
CA2303516A1 (en) 1999-06-10

Similar Documents

Publication Publication Date Title
CN1280743A (zh) 代码转换
EP1032213B1 (en) Video transcoding method and apparatus
CN1077380C (zh) 活动图像专家组4图像设备的物体信息编码设备和方法
CN1128547C (zh) 移动图象信号的译码及编码方法及装置
US20050002458A1 (en) Spatial scalable compression
US9332275B2 (en) Methods, apparatuses, and programs for encoding and decoding picture
KR20110008653A (ko) 움직임 벡터 예측 방법과 이를 이용한 영상 부호화/복호화 장치 및 방법
KR20090095012A (ko) 연속적인 움직임 추정을 이용한 영상 부호화, 복호화 방법및 장치
TW200952499A (en) Apparatus and method for computationally efficient intra prediction in a video coder
CN1240092A (zh) 视频编码
WO2003067896A1 (fr) Dispositif et procede de codage de donnees-image et dispositif et procede de decodage de donnees-image
JPWO2019069602A1 (ja) 映像符号化装置、映像復号装置、映像符号化方法、映像復号方法、プログラムおよび映像システム
CN1149853C (zh) 带有运动补偿的编码和译码装置
EP2034742A2 (en) Video coding method and device
JPH09191459A (ja) 画像ブロックから成るビデオシーケンスのビデオデータ流を符号化する方法および装置
KR100535631B1 (ko) 적응적 비월주사 모양정보 부호화/복호화 장치및 방법
KR20080041972A (ko) 현재 영상의 복원영역을 참조하는 동영상 부호화/복호화장치 및 그 방법
CN102150431A (zh) 移动图像编码装置和方法
CN1606883A (zh) 带块丢弃的图像编码
KR101641716B1 (ko) 통합 영상 부호화 방법 및 장치
CN106063268A (zh) 将视频数据从h.264转码成h.265的方法和设备
KR19980030414A (ko) 강제적 한방향 운동보상에 근거한 동화상 복호화장치
WO2002032143A2 (en) Compression of motion vectors
CN100474930C (zh) 在基于多重扫描的帧内模式中编码和解码的方法和设备
KR20050122496A (ko) B-픽쳐의 효율적인 부호화 및 복호화 방법

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20040630

CX01 Expiry of patent term