DE69426224D1 - Bildverarbeitungsvorrichtung zum Verdecken von Fehlern in Bewegtbilddaten - Google Patents

Bildverarbeitungsvorrichtung zum Verdecken von Fehlern in Bewegtbilddaten

Info

Publication number
DE69426224D1
DE69426224D1 DE69426224T DE69426224T DE69426224D1 DE 69426224 D1 DE69426224 D1 DE 69426224D1 DE 69426224 T DE69426224 T DE 69426224T DE 69426224 T DE69426224 T DE 69426224T DE 69426224 D1 DE69426224 D1 DE 69426224D1
Authority
DE
Germany
Prior art keywords
processing device
image data
image processing
moving image
masking errors
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
DE69426224T
Other languages
English (en)
Other versions
DE69426224T2 (de
Inventor
Akihiro Shikakura
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69426224D1 publication Critical patent/DE69426224D1/de
Publication of DE69426224T2 publication Critical patent/DE69426224T2/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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Error Detection And Correction (AREA)
DE69426224T 1993-09-07 1994-08-31 Bildverarbeitungsvorrichtung zum Verdecken von Fehlern in Bewegtbilddaten Expired - Lifetime DE69426224T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24644793A JP3428697B2 (ja) 1993-09-07 1993-09-07 画像復号化方法

Publications (2)

Publication Number Publication Date
DE69426224D1 true DE69426224D1 (de) 2000-12-07
DE69426224T2 DE69426224T2 (de) 2001-04-26

Family

ID=17148586

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69426224T Expired - Lifetime DE69426224T2 (de) 1993-09-07 1994-08-31 Bildverarbeitungsvorrichtung zum Verdecken von Fehlern in Bewegtbilddaten

Country Status (4)

Country Link
US (1) US5614958A (de)
EP (1) EP0642273B1 (de)
JP (1) JP3428697B2 (de)
DE (1) DE69426224T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0185911B1 (ko) * 1994-11-30 1999-05-01 김광호 에러 은폐에 동화상의 움직임 방향을 고려하는 복호화장치
JP3700195B2 (ja) * 1995-01-10 2005-09-28 ソニー株式会社 復号化装置、再生装置、記録再生装置、画像処理システム、復号化方法、再生方法、記録再生方法及び画像処理方法
US5809173A (en) * 1995-04-18 1998-09-15 Advanced Micro Devices, Inc. Method and apparatus for improved video decompression using previous frame DCT coefficients
US5724446A (en) * 1995-04-18 1998-03-03 Advanced Micro Devices, Inc. Video decoder apparatus using non-reference frame as an additional prediction source and method therefor
US5774600A (en) * 1995-04-18 1998-06-30 Advanced Micro Devices, Inc. Method of pixel averaging in a video processing apparatus
FR2735321B1 (fr) * 1995-06-09 1997-09-05 Sgs Thomson Microelectronics Procede et dispositif de masquage d'erreur lors du decodage d'un flux de donnees
JP3630474B2 (ja) * 1995-07-14 2005-03-16 沖電気工業株式会社 動画像伝送システム及び動画像伝送装置
JPH09130803A (ja) * 1995-10-27 1997-05-16 Fujitsu Ltd 背景画像復元方法および装置
JPH09182067A (ja) 1995-10-27 1997-07-11 Toshiba Corp 画像符号化／復号化装置
US6498809B1 (en) 1998-01-20 2002-12-24 Motorola, Inc. Video bitstream error resilient transcoder, method, video-phone, video-communicator and device
JP3604290B2 (ja) * 1998-09-25 2004-12-22 沖電気工業株式会社 動画像復号方法及び装置
GB2352350B (en) * 1999-07-19 2003-11-05 Nokia Mobile Phones Ltd Video coding
KR100677083B1 (ko) * 2000-01-27 2007-02-01 삼성전자주식회사 디지털 영상 데이터 통신 시스템에서의 오류 전파 억제를위한 송수신 데이터의 처리 방법 및 이를 위한 기록 매체
EP1659802B1 (de) * 2001-10-05 2008-07-23 Mitsubishi Electric Information Technology Centre Europe B.V. Verfahren und Vorrichtung zur Kompensation von fehlerhaften Bewegungsvektoren in Bilddaten
EP1395061A1 (de) * 2002-08-27 2004-03-03 Mitsubishi Electric Information Technology Centre Europe B.V. Verfahren und Vorrichtung zur Kompensation von falschen Bewegunsvektoren in Videodaten
US7020207B1 (en) * 2002-12-02 2006-03-28 Hitachi, Ltd. Video error concealment mechanism for block based video decompression
WO2006046476A1 (ja) 2004-10-29 2006-05-04 Sharp Kabushiki Kaisha 動画像復号装置および動画像復号方法
CN107231563B (zh) * 2016-03-24 2020-06-23 腾讯科技（深圳）有限公司 视频处理方法和装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950009856B1 (ko) * 1985-10-02 1995-08-29 도이체 톰손-브란트 게엠베하 블록마다 전송되는 신호의 보정방법
DE69031102T2 (de) * 1989-08-29 1998-01-15 Matsushita Electric Ind Co Ltd Digitalvideosignalaufzeichnungs- und -wiedergabegerät
JPH0498987A (ja) * 1990-08-16 1992-03-31 Matsushita Electric Ind Co Ltd 誤り修整方法
JP3002019B2 (ja) * 1991-07-04 2000-01-24 富士通株式会社 セル廃棄補償機能を有する画像符号化伝送方式
TW241350B (de) * 1991-11-07 1995-02-21 Rca Thomson Licensing Corp

Also Published As

Publication number Publication date
US5614958A (en) 1997-03-25
DE69426224T2 (de) 2001-04-26
EP0642273B1 (de) 2000-11-02
EP0642273A3 (de) 1995-04-19
JPH0779441A (ja) 1995-03-20
EP0642273A2 (de) 1995-03-08
JP3428697B2 (ja) 2003-07-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition