DE69626483D1 - Speicherverwaltung in einem Videodekodierer - Google Patents

Speicherverwaltung in einem Videodekodierer

Info

Publication number
DE69626483D1
DE69626483D1 DE69626483T DE69626483T DE69626483D1 DE 69626483 D1 DE69626483 D1 DE 69626483D1 DE 69626483 T DE69626483 T DE 69626483T DE 69626483 T DE69626483 T DE 69626483T DE 69626483 D1 DE69626483 D1 DE 69626483D1
Authority
DE
Germany
Prior art keywords
video decoder
memory management
management
memory
decoder
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
DE69626483T
Other languages
English (en)
Other versions
DE69626483T2 (de
Inventor
Barth Alan Canfield
Wai-Man Lam
Beyers, Jr
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Application granted granted Critical
Publication of DE69626483D1 publication Critical patent/DE69626483D1/de
Publication of DE69626483T2 publication Critical patent/DE69626483T2/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
    • H04N19/42—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
    • H04N19/43—Hardware specially adapted for motion estimation or 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
    • H04N19/42—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
    • H04N19/426—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 using memory downsizing methods
    • H04N19/428—Recompression, e.g. by spatial or temporal decimation
    • 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
    • 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

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)
  • Television Signal Processing For Recording (AREA)
DE69626483T 1995-12-27 1996-12-26 Speicherverwaltung in einem Videodekodierer Expired - Lifetime DE69626483T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US579192 1995-12-27
US08/579,192 US5847762A (en) 1995-12-27 1995-12-27 MPEG system which decompresses and then recompresses MPEG video data before storing said recompressed MPEG video data into memory

Publications (2)

Publication Number Publication Date
DE69626483D1 true DE69626483D1 (de) 2003-04-10
DE69626483T2 DE69626483T2 (de) 2004-02-26

Family

ID=24315941

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69626483T Expired - Lifetime DE69626483T2 (de) 1995-12-27 1996-12-26 Speicherverwaltung in einem Videodekodierer

Country Status (10)

Country Link
US (1) US5847762A (de)
EP (1) EP0782345B1 (de)
JP (1) JP4083832B2 (de)
KR (1) KR100484333B1 (de)
CN (1) CN1106117C (de)
DE (1) DE69626483T2 (de)
HK (1) HK1001634A1 (de)
MY (1) MY114572A (de)
SG (1) SG99837A1 (de)
TW (1) TW308776B (de)

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7190284B1 (en) * 1994-11-16 2007-03-13 Dye Thomas A Selective lossless, lossy, or no compression of data based on address range, data type, and/or requesting agent
CN1158050A (zh) * 1995-12-27 1997-08-27 汤姆森消费电子有限公司 图像数据压缩系统和方法
JP3575508B2 (ja) * 1996-03-04 2004-10-13 Ｋｄｄｉ株式会社 符号化動画像再生装置
US5825424A (en) * 1996-06-19 1998-10-20 Thomson Consumer Electronics, Inc. MPEG system which decompresses and recompresses image data before storing image data in a memory and in accordance with a resolution of a display device
GB2318472B (en) * 1996-10-09 2000-11-15 Sony Uk Ltd Processing encoded signals
US6028635A (en) 1996-12-03 2000-02-22 Stmicroelectronics, Inc. Reducing the memory required for decompression by storing compressed information using DCT based techniques
US5844608A (en) * 1996-12-12 1998-12-01 Thomson Consumer Electronics, Inc. Picture element processor for a memory management system
US6879631B1 (en) * 1996-12-18 2005-04-12 Thomson Licensing S.A. Selective compression network in an MPEG compatible decoder
US6377628B1 (en) * 1996-12-18 2002-04-23 Thomson Licensing S.A. System for maintaining datastream continuity in the presence of disrupted source data
US6594315B1 (en) * 1996-12-18 2003-07-15 Thomson Licensing S.A. Formatting of recompressed data in an MPEG decoder
KR100273110B1 (ko) * 1997-02-26 2000-12-01 윤종용 엠펙 시스템 디코더 및 이 디코더의 데이터 처리 방법
US6879266B1 (en) 1997-08-08 2005-04-12 Quickshift, Inc. Memory module including scalable embedded parallel data compression and decompression engines
KR100594953B1 (ko) * 1997-08-20 2006-07-03 코닌클리케 필립스 일렉트로닉스 엔.브이. 다중레벨의 하우스키핑을 위해 적합한 소프트웨어 관리 기능을 갖는 임시 데이터스트림 신호처리 버퍼 메모리 구조
JP3990011B2 (ja) * 1997-10-31 2007-10-10 沖電気工業株式会社 復号画像変換回路および復号画像変換装置
CN100481951C (zh) * 1997-11-05 2009-04-22 索尼公司 数字信号转换方法和数字信号转换装置
US6272180B1 (en) 1997-11-21 2001-08-07 Sharp Laboratories Of America, Inc. Compression and decompression of reference frames in a video decoder
US6130911A (en) * 1997-11-21 2000-10-10 Sharp Laboratories Of America, Inc. Method and apparatus for compressing reference frames in an interframe video codec
EP0926899A3 (de) 1997-12-25 1999-12-15 SANYO ELECTRIC Co., Ltd. Gerät und Verfahren für Bilddekomprimierung
JP3271585B2 (ja) * 1998-06-19 2002-04-02 日本電気株式会社 動画像復号装置
FR2780185B1 (fr) * 1998-06-23 2000-08-11 St Microelectronics Sa Procede et dispositif de traitement d'images, comprimees notamment selon les normes mpeg
JP4214562B2 (ja) * 1998-06-26 2009-01-28 ソニー株式会社 復号装置
US6412112B1 (en) 1998-06-30 2002-06-25 Webtv Networks, Inc. System for transmitting digital data through a lossy channel
EP0973129A3 (de) 1998-07-17 2005-01-12 Matsushita Electric Industrial Co., Ltd. Kompressionssystem von bewegten Bilddaten
JP2000050272A (ja) * 1998-07-31 2000-02-18 Sony Corp 復号化装置及び方法
US6263023B1 (en) * 1998-10-15 2001-07-17 International Business Machines Corporation High definition television decoder
US6229852B1 (en) * 1998-10-26 2001-05-08 Sony Corporation Reduced-memory video decoder for compressed high-definition video data
US6624761B2 (en) 1998-12-11 2003-09-23 Realtime Data, Llc Content independent data compression method and system
US6195024B1 (en) 1998-12-11 2001-02-27 Realtime Data, Llc Content independent data compression method and system
US6822589B1 (en) 1999-01-29 2004-11-23 Quickshift, Inc. System and method for performing scalable embedded parallel data decompression
US7129860B2 (en) * 1999-01-29 2006-10-31 Quickshift, Inc. System and method for performing scalable embedded parallel data decompression
US6578203B1 (en) * 1999-03-08 2003-06-10 Tazwell L. Anderson, Jr. Audio/video signal distribution system for head mounted displays
US6601104B1 (en) 1999-03-11 2003-07-29 Realtime Data Llc System and methods for accelerated data storage and retrieval
US6604158B1 (en) 1999-03-11 2003-08-05 Realtime Data, Llc System and methods for accelerated data storage and retrieval
US7210160B2 (en) 1999-05-28 2007-04-24 Immersion Entertainment, L.L.C. Audio/video programming and charging system and method
US20020057364A1 (en) * 1999-05-28 2002-05-16 Anderson Tazwell L. Electronic handheld audio/video receiver and listening/viewing device
FR2800550B1 (fr) * 1999-11-03 2002-05-31 St Microelectronics Sa Circuit de decodage mpeg et d'affichage d'images et d'images incrustees
US6738424B1 (en) 1999-12-27 2004-05-18 Objectvideo, Inc. Scene model generation from video for use in video processing
KR100359821B1 (ko) * 2000-01-20 2002-11-07 엘지전자 주식회사 움직임 보상 적응형 영상 압축과 복원방법 및 그 장치와디코더
US6748457B2 (en) 2000-02-03 2004-06-08 Realtime Data, Llc Data storewidth accelerator
KR20020001064A (ko) * 2000-06-24 2002-01-09 박종섭 고화질 텔레비전의 움직임 보상 및 화면 디스플레이 장치
US7149549B1 (en) 2000-10-26 2006-12-12 Ortiz Luis M Providing multiple perspectives for a venue activity through an electronic hand held device
US7782363B2 (en) 2000-06-27 2010-08-24 Front Row Technologies, Llc Providing multiple video perspectives of activities through a data network to a remote multimedia server for selective display by remote viewing audiences
US7796162B2 (en) 2000-10-26 2010-09-14 Front Row Technologies, Llc Providing multiple synchronized camera views for broadcast from a live venue activity to remote viewers
US7630721B2 (en) 2000-06-27 2009-12-08 Ortiz & Associates Consulting, Llc Systems, methods and apparatuses for brokering data between wireless devices and data rendering devices
US8583027B2 (en) 2000-10-26 2013-11-12 Front Row Technologies, Llc Methods and systems for authorizing computing devices for receipt of venue-based data based on the location of a user
US7812856B2 (en) 2000-10-26 2010-10-12 Front Row Technologies, Llc Providing multiple perspectives of a venue activity to electronic wireless hand held devices
US8692695B2 (en) 2000-10-03 2014-04-08 Realtime Data, Llc Methods for encoding and decoding data
US7417568B2 (en) 2000-10-03 2008-08-26 Realtime Data Llc System and method for data feed acceleration and encryption
US9143546B2 (en) 2000-10-03 2015-09-22 Realtime Data Llc System and method for data feed acceleration and encryption
KR20020069255A (ko) * 2000-11-21 2002-08-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 멀티-속도 재생모드에서 압축 데이터의 재생을 위한 재생장치
AU770770B2 (en) * 2000-12-06 2004-03-04 Canon Kabushiki Kaisha Storing coding image data in storage of fixed memory size
AUPR192700A0 (en) 2000-12-06 2001-01-04 Canon Kabushiki Kaisha Storing coding image data in storage of fixed memory size
WO2002060106A2 (en) * 2001-01-23 2002-08-01 Flash Networks Ltd. System and method for data re-compression for communication over ip
US7386046B2 (en) 2001-02-13 2008-06-10 Realtime Data Llc Bandwidth sensitive data compression and decompression
JP3643777B2 (ja) * 2001-02-28 2005-04-27 三洋電機株式会社 動画像復号装置および動画像復号方法
KR100700518B1 (ko) * 2001-05-03 2007-03-28 엘지전자 주식회사 디스크의 기록 영역 확보 방법
US6941516B2 (en) * 2001-08-06 2005-09-06 Apple Computer, Inc. Object movie exporter
JP4636755B2 (ja) * 2001-09-21 2011-02-23 キヤノン株式会社 撮像装置、画像処理方法、記録媒体およびプログラム
EP1298937A1 (de) * 2001-09-26 2003-04-02 Chih-Ta Star Sung Dekodierung und Kodierung mit erneuter Komprimierung von Referenzbildern
US7245304B2 (en) * 2001-11-16 2007-07-17 Lockheed Martin Corporation System and method for managing compressed graphic image data
US7725073B2 (en) 2002-10-07 2010-05-25 Immersion Entertainment, Llc System and method for providing event spectators with audio/video signals pertaining to remote events
US7903892B2 (en) * 2002-10-29 2011-03-08 Ati Technologies Ulc Image analysis for image compression suitability and real-time selection
AU2003900531A0 (en) 2003-01-30 2003-02-20 Canon Kabushiki Kaisha Compression into a fixed buffer
US7764833B2 (en) * 2003-02-13 2010-07-27 Ati Technologies Ulc Method and apparatus for anti-aliasing using floating point subpixel color values and compression of same
US7643679B2 (en) 2003-02-13 2010-01-05 Ati Technologies Ulc Method and apparatus for block based image compression with multiple non-uniform block encodings
US8111928B2 (en) 2003-02-13 2012-02-07 Ati Technologies Ulc Method and apparatus for compression of multi-sampled anti-aliasing color data
BRPI0406424B1 (pt) * 2003-03-03 2018-11-21 Godo Kaisha Ip Bridge 1 método de codificação de imagem e método de decodificação de imagem
US7593687B2 (en) * 2003-10-07 2009-09-22 Immersion Entertainment, Llc System and method for providing event spectators with audio/video signals pertaining to remote events
US20050216299A1 (en) * 2004-03-12 2005-09-29 Anderson Tazwell L Jr Methods and systems for acquiring rights to content for transmission at an event
US20050280705A1 (en) * 2004-05-20 2005-12-22 Immersion Entertainment Portable receiver device
JP2006010508A (ja) * 2004-06-25 2006-01-12 Konica Minolta Sensing Inc マルチアングル測色計
US7606429B2 (en) * 2005-03-25 2009-10-20 Ati Technologies Ulc Block-based image compression method and apparatus
US20070002059A1 (en) * 2005-06-29 2007-01-04 Intel Corporation Pixel data compression from controller to display
US7701981B2 (en) * 2005-10-27 2010-04-20 Qualcomm Incorporated System and method for improving robust header compression (ROHC) efficiency
JP5396711B2 (ja) * 2006-02-09 2014-01-22 日本電気株式会社 動画像復号装置、動画像復号方法及びプログラム
WO2007138601A2 (en) 2006-05-31 2007-12-06 Storwize Ltd. Method and system for transformation of logical data objects for storage
US20080056381A1 (en) * 2006-08-30 2008-03-06 Chih-Ta Star Sung Image compression and decompression with fast storage device accessing
US20080267295A1 (en) * 2007-04-26 2008-10-30 Chih-Ta Star Sung Video decompression, de-interlacing and frame rate conversion with frame buffer compression
US8194736B2 (en) * 2008-04-15 2012-06-05 Sony Corporation Video data compression with integrated lossy and lossless compression
TWI477142B (zh) * 2008-06-20 2015-03-11 Mstar Semiconductor Inc 影像處理電路及相關方法
EP2375745A1 (de) * 2010-04-12 2011-10-12 Panasonic Corporation Effiziente Speicherung von Bilddarstellung unter Verwendung eines adaptiven uneinheitlichen Größenwandlers
GB2485613B (en) * 2010-11-22 2014-08-13 Displaylink Uk Ltd Display control device
EP2795896A4 (de) * 2011-12-21 2015-05-20 Intel Corp Dram-kompressionsschema zur verringerung des stromverbrauchs bei bewegungskompensation und anzeigeaktualisierung
JP6083973B2 (ja) * 2012-08-08 2017-02-22 株式会社メガチップス データ記憶制御装置およびデータ記憶方法
CN103152571B (zh) * 2013-03-06 2016-02-24 福州瑞芯微电子股份有限公司 减少数据带宽的视频处理方法及电路
CN103152572B (zh) * 2013-03-06 2016-02-24 福州瑞芯微电子股份有限公司 一种节省带宽的屏幕显示控制方法及电路
US9892707B2 (en) 2013-03-14 2018-02-13 Displaylink (Uk) Limited Decompressing stored display data every frame refresh
JP6186429B2 (ja) 2013-04-12 2017-08-23 株式会社スクウェア・エニックス・ホールディングス 情報処理装置、制御方法、プログラム、及び記録媒体
JP6196117B2 (ja) * 2013-10-08 2017-09-13 株式会社東芝 画像符号化装置及び画像復号装置
CN104954796B (zh) * 2014-03-28 2019-06-11 联咏科技股份有限公司 视频处理装置与其视频处理电路
JP6310747B2 (ja) * 2014-03-31 2018-04-11 株式会社メガチップス データ記憶制御装置およびデータ記憶制御方法
TWI589151B (zh) * 2014-10-03 2017-06-21 Sitronix Technology Corp Image data compression device and its compression method
US10283091B2 (en) * 2014-10-13 2019-05-07 Microsoft Technology Licensing, Llc Buffer optimization
JP6377222B2 (ja) * 2017-07-31 2018-08-22 株式会社スクウェア・エニックス・ホールディングス 情報処理装置、制御方法、プログラム、及び記録媒体

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5411614A (en) * 1977-06-27 1979-01-27 Nec Corp Code conversion unit for digital signal
JPH0286232A (ja) * 1988-09-21 1990-03-27 Matsushita Electric Ind Co Ltd 可変長符号化方式
JP2925157B2 (ja) * 1989-02-28 1999-07-28 キヤノン株式会社 データ記憶装置
JPH0772839A (ja) * 1990-03-01 1995-03-17 Ricoh Co Ltd カラービデオディスプレイ装置
DE69133320T2 (de) * 1990-03-16 2004-07-22 Canon K.K. Bildkodierungs- und -aufzeichnungsgerät und Methode
DE69133412T2 (de) * 1990-09-04 2005-09-22 Canon K.K. Verfahren und Vorrichtung zur Bildverarbeitung
US5249053A (en) * 1991-02-05 1993-09-28 Dycam Inc. Filmless digital camera with selective image compression
US5576840A (en) * 1991-07-18 1996-11-19 Canon Kabushiki Kaisha Recording apparatus
JP3017334B2 (ja) * 1991-08-29 2000-03-06 富士通株式会社 画像データ符号化方法及び装置
JP3106749B2 (ja) * 1992-12-10 2000-11-06 ソニー株式会社 適応型ダイナミックレンジ符号化装置
US5614952A (en) * 1994-10-11 1997-03-25 Hitachi America, Ltd. Digital video decoder for decoding digital high definition and/or digital standard definition television signals
JPH07143012A (ja) * 1993-11-22 1995-06-02 Asahi Chem Ind Co Ltd 可変長符号の復号方法
US5576765A (en) * 1994-03-17 1996-11-19 International Business Machines, Corporation Video decoder
DE4416967A1 (de) * 1994-05-13 1995-11-16 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Transcodierung von Bitströmen mit Videodaten
EP0687111B1 (de) * 1994-06-06 2003-08-06 sci worx GmbH Verfahren zur Codierung/Decodierung eines Datenstroms
JP3575508B2 (ja) * 1996-03-04 2004-10-13 Ｋｄｄｉ株式会社 符号化動画像再生装置

Also Published As

Publication number Publication date
KR970057915A (ko) 1997-07-31
JP4083832B2 (ja) 2008-04-30
HK1001634A1 (en) 1998-07-03
MY114572A (en) 2002-11-30
EP0782345A2 (de) 1997-07-02
EP0782345B1 (de) 2003-03-05
DE69626483T2 (de) 2004-02-26
TW308776B (en) 1997-06-21
SG99837A1 (en) 2003-11-27
CN1106117C (zh) 2003-04-16
KR100484333B1 (ko) 2005-07-28
EP0782345A3 (de) 1999-05-19
CN1160253A (zh) 1997-09-24
US5847762A (en) 1998-12-08
JPH09214981A (ja) 1997-08-15

Similar Documents

Publication Publication Date Title
DE69626483D1 (de) Speicherverwaltung in einem Videodekodierer
DE69810977D1 (de) Transparenter Dateneinbau in einem Videosignal
DE69630973D1 (de) Nachrichtenspeicherung in einem selektivrufempfänger
DE69625019D1 (de) Standby-Einrichtung für Zusatzdatendekoder in einem Fersehempfänger
DE69625870D1 (de) Lagereinheit
DE69431159D1 (de) Einrichtung in einem mehrbenutzersystem
DE69733882D1 (de) Kamera mit einem einzigen bildaufnehmer
NO963577D0 (no) Video-forstörrelsesapparat
DE69504965D1 (de) Datenspeicherung
DE69705507D1 (de) Ereignisversammlung in einem verteilten objektsystem
FI944235A0 (fi) Videonkompressiomenetelmä
DE69631639D1 (de) Mehrzonendatenspeichersystem
EE9700169A (et) Uued säilitussegud
FR2731864B1 (fr) Decodeur mpeg a capacite memoire reduite
DE69619752D1 (de) Fernsehdatenspeichervorrichtung
DE69408451D1 (de) Münzspeicher
DE69718536D1 (de) Speicherbereichadressierung in einem MPEG-Dekodierer
DE69631364D1 (de) MPEG-Dekoder mit gemeinsamer Benutzung eines Speichers
DE69605533D1 (de) Profilierte nichtflüchtige speicherzelle
DE69431572D1 (de) Videodekodierer
DE69630074D1 (de) Videoapparat mit einem einzigen Multiporthalbbildspeicher
ATA177295A (de) Schichtspeicheranlage
DE69520580D1 (de) Hierarchische Speicheranordnung
KR970048298U (ko) 보조 기억 장치를 갖는 셋탑 유니트
DE69624310D1 (de) Hierarchischer Videokodierer und -dekodierer

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
R082 Change of representative

Ref document number: 782345

Country of ref document: EP

Representative=s name: MANFRED ROSSMANITH, DE