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DE69421868D1 - Verfahren und vorrichtung zur kodierung/dekodierung eines videosignals - Google Patents

Verfahren und vorrichtung zur kodierung/dekodierung eines videosignals

Info

Publication number
DE69421868D1
DE69421868D1 DE69421868T DE69421868T DE69421868D1 DE 69421868 D1 DE69421868 D1 DE 69421868D1 DE 69421868 T DE69421868 T DE 69421868T DE 69421868 T DE69421868 T DE 69421868T DE 69421868 D1 DE69421868 D1 DE 69421868D1
Authority
DE
Germany
Prior art keywords
decoding
coding
video signal
video
signal
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 - Fee Related
Application number
DE69421868T
Other languages
English (en)
Other versions
DE69421868T2 (de
Inventor
Tomoyuki Sato
Katsumi Tahara
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69421868D1 publication Critical patent/DE69421868D1/de
Publication of DE69421868T2 publication Critical patent/DE69421868T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N19/50—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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Television Systems (AREA)
DE69421868T 1993-03-26 1994-03-28 Verfahren und vorrichtung zur kodierung/dekodierung eines videosignals Expired - Fee Related DE69421868T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP06878593A JP3374989B2 (ja) 1993-03-26 1993-03-26 画像信号符号化方法および画像信号符号化装置、ならびに画像信号復号化方法および画像信号復号化装置
PCT/JP1994/000499 WO1994023535A1 (en) 1993-03-26 1994-03-28 Method and apparatus for coding video signal, and method and apparatus for decoding video signal

Publications (2)

Publication Number Publication Date
DE69421868D1 true DE69421868D1 (de) 2000-01-05
DE69421868T2 DE69421868T2 (de) 2000-06-15

Family

ID=13383734

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69421868T Expired - Fee Related DE69421868T2 (de) 1993-03-26 1994-03-28 Verfahren und vorrichtung zur kodierung/dekodierung eines videosignals

Country Status (7)

Country Link
US (1) US5832124A (de)
EP (1) EP0643535B1 (de)
JP (1) JP3374989B2 (de)
KR (1) KR100311294B1 (de)
CN (1) CN1076932C (de)
DE (1) DE69421868T2 (de)
WO (1) WO1994023535A1 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970705240A (ko) * 1995-07-19 1997-09-06 니시무로 타이조 레터박스 변환 장치(letter-box transformation device)
KR100192270B1 (ko) * 1996-02-03 1999-06-15 구자홍 에이치디티브이 비데오 디코더 회로
US5907372A (en) * 1996-06-28 1999-05-25 Hitachi, Ltd. Decoding/displaying device for decoding/displaying coded picture data generated by high efficiency coding for interlace scanning picture format
JP3263807B2 (ja) * 1996-09-09 2002-03-11 ソニー株式会社 画像符号化装置および画像符号化方法
AU731425B2 (en) * 1996-09-09 2001-03-29 Sony Corporation Picture encoding and decoding
AU759558B2 (en) * 1996-09-09 2003-04-17 Sony Corporation Picture encoding and decoding
DE69734961T2 (de) 1996-10-15 2006-08-24 Matsushita Electric Industrial Co., Ltd., Kadoma Verfahren zur Video- und Audiokodierung sowie Vorrichtung zur Kodierung
KR100326641B1 (ko) * 1996-12-06 2002-08-27 마츠시타 덴끼 산교 가부시키가이샤 영상신호의전송,부호화,복호화방법및장치와광디스크의기록및재생방법
WO1998026601A1 (en) * 1996-12-12 1998-06-18 Matsushita Electric Industrial Co., Ltd. Picture encoder and picture decoder
JPH10248051A (ja) * 1997-03-05 1998-09-14 Matsushita Electric Ind Co Ltd ディジタルデータ送信方法、ディジタルデータ送信装置およびディジタルデータ受信装置
JPH10257502A (ja) * 1997-03-17 1998-09-25 Matsushita Electric Ind Co Ltd 階層画像符号化方法、階層画像多重化方法、階層画像復号方法及び装置
JPH10271504A (ja) * 1997-03-18 1998-10-09 Texas Instr Inc <Ti> 画像信号の符号化方法
SG65064A1 (en) * 1997-04-09 1999-05-25 Matsushita Electric Ind Co Ltd Image predictive decoding method image predictive decoding apparatus image predictive coding method image predictive coding apparatus and data storage media
JPH118856A (ja) * 1997-06-17 1999-01-12 Mitsubishi Electric Corp 画像符号化方法及びその装置
CN1134991C (zh) * 1997-07-31 2004-01-14 日本胜利株式会社 数字视频信号块间内插预测编码/解码装置及高效编码方法
US6310918B1 (en) * 1997-07-31 2001-10-30 Lsi Logic Corporation System and method for motion vector extraction and computation meeting 2-frame store and letterboxing requirements
JP3813320B2 (ja) * 1997-08-27 2006-08-23 株式会社東芝 動きベクトル検出方法および装置
EP0921683B1 (de) * 1997-12-02 2010-09-08 Daewoo Electronics Corporation Verfahren und Vorrichtung zur Kodierung von Modussignalen in einem Binärformkodierer
KR100252108B1 (ko) * 1997-12-20 2000-04-15 윤종용 Mpeg 압축부호화 및 복호화기를 채용한 디지털 기록 재생장치 및 그 방법
KR100281462B1 (ko) * 1998-03-30 2001-02-01 전주범 격행 부호화에서 이진 형상 신호의 움직임 벡터 부호화 방법
JP2940545B1 (ja) * 1998-05-28 1999-08-25 日本電気株式会社 画像変換方法および画像変換装置
JP3937028B2 (ja) * 1998-09-18 2007-06-27 富士フイルム株式会社 画像変換方法、画像変換装置及び画像変換プログラムを記録した記録媒体
US6115072A (en) * 1999-01-27 2000-09-05 Motorola, Inc. 16:9 aspect ratio conversion by letterbox method for an MPEG image
US7020195B1 (en) * 1999-12-10 2006-03-28 Microsoft Corporation Layered coding and decoding of image data
US6445832B1 (en) * 2000-10-10 2002-09-03 Lockheed Martin Corporation Balanced template tracker for tracking an object image sequence
US6765964B1 (en) * 2000-12-06 2004-07-20 Realnetworks, Inc. System and method for intracoding video data
JP3695451B2 (ja) * 2003-05-28 2005-09-14 セイコーエプソン株式会社 画像サイズの変更方法及装置
JP2005141722A (ja) * 2003-10-15 2005-06-02 Ntt Docomo Inc 画像信号処理方法、画像信号処理装置、及び画像信号プログラム
US7033355B2 (en) * 2004-01-15 2006-04-25 Muzzammel Mohiuddin M Endocervical electrode
US8385427B2 (en) * 2005-04-15 2013-02-26 Apple Inc. Reduced resolution video decode
US8358701B2 (en) * 2005-04-15 2013-01-22 Apple Inc. Switching decode resolution during video decoding
JP2007172170A (ja) * 2005-12-20 2007-07-05 Fujitsu Ltd 画像処理回路及び画像処理方法
US20070201833A1 (en) * 2006-02-17 2007-08-30 Apple Inc. Interface for defining aperture
JP2007271700A (ja) * 2006-03-30 2007-10-18 Fujitsu Ltd 画像情報送信装置及び画像情報受信装置
KR101619972B1 (ko) * 2008-10-02 2016-05-11 한국전자통신연구원 이산 여현 변환/이산 정현 변환을 선택적으로 이용하는 부호화/복호화 장치 및 방법
US8634466B2 (en) * 2009-03-17 2014-01-21 Freescale Semiconductor, Inc. Video decoder plus a discrete cosine transform unit
CN101742320B (zh) * 2010-01-20 2012-09-12 李博航 图像处理方法
IT1403450B1 (it) * 2011-01-19 2013-10-17 Sisvel S P A Flusso video costituito da frame video combinati, e procedimento e dispositivi per la sua generazione, trasmissione, ricezione e riproduzione
GB2527315B (en) * 2014-06-17 2017-03-15 Imagination Tech Ltd Error detection in motion estimation
EP3456049B1 (de) * 2016-05-13 2022-05-04 VID SCALE, Inc. Systeme und verfahren zur verallgemeinerten multi-hypothesen-vorhersage zur videocodierung
CN118741140A (zh) 2018-01-24 2024-10-01 交互数字Vc控股公司 用于具有降低的译码复杂性的视频译码的广义双预测

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3779345D1 (de) * 1986-03-20 1992-07-02 American Telephone & Telegraph Datenkompression mit listensformation.
JP2518681B2 (ja) * 1989-02-15 1996-07-24 国際電信電話株式会社 動画像の縦続的符号化方式
US5068813A (en) * 1989-11-07 1991-11-26 Mts Systems Corporation Phased digital filtering in multichannel environment
CA2070827C (en) * 1990-10-09 2002-01-01 Cecile Dufour Device for coding digital signals correspsonding to television images and corresponding decoding device
US5367334A (en) * 1991-05-20 1994-11-22 Matsushita Electric Industrial Co., Ltd. Video signal encoding and decoding apparatus
US5184218A (en) * 1991-07-03 1993-02-02 Wavephore, Inc. Bandwidth compression and expansion system
US5418570A (en) * 1992-03-03 1995-05-23 Kabushiki Kaisha Toshiba Motion picture coding apparatus
NL9201594A (nl) * 1992-09-14 1994-04-05 Nederland Ptt Systeem omvattende ten minste één encoder voor het coderen van een digitaal signaal en ten minste één decoder voor het decoderen van een gecodeerd digitaal signaal, en encoder en decoder voor toepassing in het systeem.
US5420891A (en) * 1993-03-18 1995-05-30 New Jersey Institute Of Technology Multiplierless 2-band perfect reconstruction quadrature mirror filter (PR-QMF) banks

Also Published As

Publication number Publication date
US5832124A (en) 1998-11-03
JP3374989B2 (ja) 2003-02-10
WO1994023535A1 (en) 1994-10-13
EP0643535A4 (de) 1995-12-06
DE69421868T2 (de) 2000-06-15
JPH06284413A (ja) 1994-10-07
EP0643535B1 (de) 1999-12-01
KR950702082A (ko) 1995-05-17
KR100311294B1 (ko) 2001-12-15
EP0643535A1 (de) 1995-03-15
CN1076932C (zh) 2001-12-26
CN1108462A (zh) 1995-09-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee