DE69320430D1 - Vorrichtung zur Dekodierung von digitalen Bildsignalen und Methode zur Berechnung des vermuteten Bewegungsvektors - Google Patents
Vorrichtung zur Dekodierung von digitalen Bildsignalen und Methode zur Berechnung des vermuteten BewegungsvektorsInfo
- Publication number
- DE69320430D1 DE69320430D1 DE69320430T DE69320430T DE69320430D1 DE 69320430 D1 DE69320430 D1 DE 69320430D1 DE 69320430 T DE69320430 T DE 69320430T DE 69320430 T DE69320430 T DE 69320430T DE 69320430 D1 DE69320430 D1 DE 69320430D1
- Authority
- DE
- Germany
- Prior art keywords
- calculating
- motion vector
- digital image
- image signals
- decoding digital
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/144—Movement detection
- H04N5/145—Movement estimation
-
- 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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4176609A JPH0620050A (ja) | 1992-07-03 | 1992-07-03 | 動画像信号の復号化装置と推定動きベクトル算出方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69320430D1 true DE69320430D1 (de) | 1998-09-24 |
DE69320430T2 DE69320430T2 (de) | 1999-02-18 |
Family
ID=16016564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69320430T Expired - Fee Related DE69320430T2 (de) | 1992-07-03 | 1993-06-30 | Vorrichtung zur Dekodierung von digitalen Bildsignalen und Methode zur Berechnung des vermuteten Bewegungsvektors |
Country Status (6)
Country | Link |
---|---|
US (1) | US5552831A (de) |
EP (1) | EP0577417B1 (de) |
JP (1) | JPH0620050A (de) |
AU (1) | AU650391B2 (de) |
CA (1) | CA2099407C (de) |
DE (1) | DE69320430T2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100261072B1 (ko) * | 1993-04-30 | 2000-07-01 | 윤종용 | 디지털 신호처리시스템 |
GB2316570B (en) * | 1993-04-30 | 1998-04-08 | Samsung Electronics Co Ltd | Digital signal processing system |
DE69431226T2 (de) | 1993-09-28 | 2003-04-17 | Canon Kk | Bildwiedergabegerät |
FR2725577B1 (fr) * | 1994-10-10 | 1996-11-29 | Thomson Consumer Electronics | Procede de codage ou de decodage de vecteurs mouvement et dispositif de codage ou de decodage mettant en oeuvre ledit procede |
US5774600A (en) * | 1995-04-18 | 1998-06-30 | Advanced Micro Devices, Inc. | Method of pixel averaging in a video processing apparatus |
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 |
US5724369A (en) * | 1995-10-26 | 1998-03-03 | Motorola Inc. | Method and device for concealment and containment of errors in a macroblock-based video codec |
JPH09128529A (ja) * | 1995-10-30 | 1997-05-16 | Sony Corp | ディジタル画像の雑音の投影に基づく除去方法 |
JP3994445B2 (ja) * | 1995-12-05 | 2007-10-17 | ソニー株式会社 | 動きベクトル検出装置及び動きベクトル検出方法 |
TW357327B (en) * | 1996-08-02 | 1999-05-01 | Sony Corp | Methods, apparatus and program storage device for removing scratch or wire noise, and recording media therefor |
US6005624A (en) * | 1996-12-20 | 1999-12-21 | Lsi Logic Corporation | System and method for performing motion compensation using a skewed tile storage format for improved efficiency |
US6078616A (en) | 1997-03-13 | 2000-06-20 | Sony Corporation | Methods and apparatus for error concealment utilizing temporal domain motion vector estimation |
US6519287B1 (en) * | 1998-07-13 | 2003-02-11 | Motorola, Inc. | Method and apparatus for encoding and decoding video signals by using storage and retrieval of motion vectors |
KR20010058887A (ko) * | 1999-12-30 | 2001-07-06 | 구자홍 | 비디오신호의 기울기 정보를 이용한 3차원 회기형 움직임벡터 추정장치 |
US7221761B1 (en) | 2000-09-18 | 2007-05-22 | Sharp Laboratories Of America, Inc. | Error resilient digital video scrambling |
US7403563B2 (en) * | 2002-06-07 | 2008-07-22 | Sanyo Electric Co., Ltd. | Image decoding method and apparatus, and television receiver utilizing the same |
US7817717B2 (en) * | 2002-06-18 | 2010-10-19 | Qualcomm Incorporated | Motion estimation techniques for video encoding |
US7020207B1 (en) | 2002-12-02 | 2006-03-28 | Hitachi, Ltd. | Video error concealment mechanism for block based video decompression |
US7705884B2 (en) * | 2004-07-21 | 2010-04-27 | Zoran Corporation | Processing of video data to compensate for unintended camera motion between acquired image frames |
US8139647B2 (en) | 2004-10-29 | 2012-03-20 | Sharp Kabushiki Kaisha | Moving image decoding apparatus and moving image decoding method |
JP4509809B2 (ja) * | 2005-01-21 | 2010-07-21 | パイオニア株式会社 | ディジタル画像復号装置及び方法 |
KR100705929B1 (ko) * | 2005-09-28 | 2007-04-12 | 엘지전자 주식회사 | 휴대 단말기에서의 흔들림 움직임 보정장치 |
US10397599B2 (en) * | 2010-12-17 | 2019-08-27 | Electronics And Telecommunications Research Institute | Method and apparatus for inter prediction using motion vector candidate based on temporal motion prediction |
GB2487200A (en) | 2011-01-12 | 2012-07-18 | Canon Kk | Video encoding and decoding with improved error resilience |
GB2491589B (en) | 2011-06-06 | 2015-12-16 | Canon Kk | Method and device for encoding a sequence of images and method and device for decoding a sequence of image |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4727422A (en) * | 1985-06-03 | 1988-02-23 | Picturetel Corporation | Method and apparatus for efficiently communicating image sequence having improved motion compensation |
WO1987004033A1 (en) * | 1985-12-24 | 1987-07-02 | British Broadcasting Corporation | Method of coding a video signal for transmission in a restricted bandwidth |
EP0294956B1 (de) * | 1987-06-09 | 1994-07-20 | Sony Corporation | Reduzierung der Bewegungsvektoren in Fernsehbildern |
DE3853554T2 (de) * | 1987-06-09 | 1995-08-24 | Sony Corp | Bewegungsvektorabschätzung in Fernsehbildern. |
GB2231227B (en) * | 1989-04-27 | 1993-09-29 | Sony Corp | Motion dependent video signal processing |
GB2231751B (en) * | 1989-04-27 | 1993-09-22 | Sony Corp | Motion dependent video signal processing |
AU612543B2 (en) * | 1989-05-11 | 1991-07-11 | Panasonic Corporation | Moving image signal encoding apparatus and decoding apparatus |
GB8914843D0 (en) * | 1989-06-28 | 1989-08-16 | British Aerospace | A method of processing video image data for use in the storage or transmission of moving digital images |
JP3159309B2 (ja) * | 1989-09-27 | 2001-04-23 | ソニー株式会社 | 映像信号符号化方法及び映像信号符号化装置 |
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 |
US5198901A (en) * | 1991-09-23 | 1993-03-30 | Matsushita Electric Corporation Of America | Derivation and use of motion vectors in a differential pulse code modulation system |
-
1992
- 1992-07-03 JP JP4176609A patent/JPH0620050A/ja active Pending
-
1993
- 1993-06-30 DE DE69320430T patent/DE69320430T2/de not_active Expired - Fee Related
- 1993-06-30 CA CA002099407A patent/CA2099407C/en not_active Expired - Fee Related
- 1993-06-30 EP EP93305145A patent/EP0577417B1/de not_active Expired - Lifetime
- 1993-07-02 AU AU41716/93A patent/AU650391B2/en not_active Ceased
-
1995
- 1995-06-06 US US08/467,719 patent/US5552831A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU4171693A (en) | 1994-01-06 |
AU650391B2 (en) | 1994-06-16 |
CA2099407A1 (en) | 1994-01-04 |
CA2099407C (en) | 1999-02-23 |
EP0577417B1 (de) | 1998-08-19 |
US5552831A (en) | 1996-09-03 |
JPH0620050A (ja) | 1994-01-28 |
DE69320430T2 (de) | 1999-02-18 |
EP0577417A3 (en) | 1994-08-17 |
EP0577417A2 (de) | 1994-01-05 |
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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 |