DE69206847T2 - Bildverarbeitungsverfahren - Google Patents
BildverarbeitungsverfahrenInfo
- Publication number
- DE69206847T2 DE69206847T2 DE69206847T DE69206847T DE69206847T2 DE 69206847 T2 DE69206847 T2 DE 69206847T2 DE 69206847 T DE69206847 T DE 69206847T DE 69206847 T DE69206847 T DE 69206847T DE 69206847 T2 DE69206847 T2 DE 69206847T2
- Authority
- DE
- Germany
- Prior art keywords
- image processing
- image
- processing
- 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
- 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
- H04N19/527—Global motion vector 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9104166A GB2253318B (en) | 1991-02-27 | 1991-02-27 | Image processing |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69206847D1 DE69206847D1 (de) | 1996-02-01 |
DE69206847T2 true DE69206847T2 (de) | 1996-05-15 |
Family
ID=10690704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69206847T Expired - Fee Related DE69206847T2 (de) | 1991-02-27 | 1992-02-14 | Bildverarbeitungsverfahren |
Country Status (5)
Country | Link |
---|---|
US (1) | US5220616A (de) |
EP (1) | EP0502622B1 (de) |
JP (1) | JPH05110871A (de) |
DE (1) | DE69206847T2 (de) |
GB (1) | GB2253318B (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4818318A (en) * | 1984-03-15 | 1989-04-04 | Hoechst Celanese Corp. | Method of forming composite fiber blends |
US4871491A (en) * | 1984-03-15 | 1989-10-03 | Basf Structural Materials Inc. | Process for preparing composite articles from composite fiber blends |
US5339171A (en) * | 1990-04-24 | 1994-08-16 | Ricoh Company, Ltd. | Image processing apparatus especially suitable for producing smooth-edged output multi-level tone data having fewer levels than input multi-level tone data |
JP2528383B2 (ja) * | 1990-11-22 | 1996-08-28 | 大日本スクリーン製造株式会社 | ピンホ―ル消去方法 |
US5787207A (en) * | 1991-12-30 | 1998-07-28 | Golin; Stuart J. | Method and apparatus for minimizing blockiness in reconstructed images |
FR2690299B1 (fr) * | 1992-04-17 | 1994-06-17 | Telecommunications Sa | Procede et dispositif de filtrage spatial d'images numeriques decodees par transformation par bloc. |
FR2695498B1 (fr) * | 1992-09-10 | 1995-02-03 | Bertin & Cie | Procédé de traitement d'images, en particulier à des fins de mesure, de transformation ou de visualisation. |
DE4305911A1 (de) * | 1993-02-26 | 1994-09-01 | Philips Patentverwaltung | Videodecoder mit einer Steuereinheit |
US5696851A (en) * | 1993-04-30 | 1997-12-09 | Comsat Corporation | Codeword-dependent post-filtering for vector quantization-based image compression |
US5363448A (en) * | 1993-06-30 | 1994-11-08 | United Technologies Automotive, Inc. | Pseudorandom number generation and cryptographic authentication |
US5377270A (en) * | 1993-06-30 | 1994-12-27 | United Technologies Automotive, Inc. | Cryptographic authentication of transmitted messages using pseudorandom numbers |
GB2283876B (en) * | 1993-11-09 | 1998-06-24 | Matsushita Electric Ind Co Ltd | Encoding and decoding code sequences and frames |
US5691775A (en) * | 1995-03-30 | 1997-11-25 | Intel Corporation | Reduction of motion estimation artifacts |
US5629778A (en) * | 1995-05-15 | 1997-05-13 | Polaroid Corporation | Method and apparatus for reduction of image data compression noise |
US5751861A (en) * | 1995-06-30 | 1998-05-12 | Intel Corporation | Reducing residual artifacts in video coding schemes with integer motion compensation |
DE19604050B4 (de) * | 1995-08-17 | 2005-09-29 | Siemens Ag | Verfahren zur Bearbeitung von decodierten Bildblöcken eines blockbasierten Verfahrens zur Bildcodierung |
FR2737931B1 (fr) * | 1995-08-17 | 1998-10-02 | Siemens Ag | Procede destine au traitement de blocs d'images decodes d'un procede de codage d'images a base de blocs |
JP3836145B2 (ja) * | 1995-10-18 | 2006-10-18 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 領域ベーステクスチュアコード化及びデコード方法、及び対応するシステム |
US5982441A (en) * | 1996-01-12 | 1999-11-09 | Iterated Systems, Inc. | System and method for representing a video sequence |
US5881180A (en) * | 1996-02-08 | 1999-03-09 | Sony Corporation | Method and apparatus for the reduction of blocking effects in images |
US5974196A (en) * | 1996-03-15 | 1999-10-26 | Sony Corporation | Method and apparatus for blocking effect reduction in images |
US5933542A (en) * | 1996-04-24 | 1999-08-03 | Sony Corporation | Method and apparatus for blocking effect reduction in images by post-processing in the spatial domain |
DE69738787D1 (de) * | 1996-05-14 | 2008-07-31 | Daewoo Electronics Corp | Reduzierung von Blockeffekten in einem Bewegtbilddekoder |
DE19626985C1 (de) * | 1996-07-04 | 1998-01-02 | Siemens Ag | Verfahren und Anordnung zur Reduktion von Codierungsartefakten von blockbasierten Bildcodierungsverfahren und objektbasierten Bildcodierungsverfahren |
DE19640999A1 (de) * | 1996-10-04 | 1998-04-09 | Deutsche Telekom Ag | Verfahren zur Verdeckung von Fehlern |
JP3095140B2 (ja) * | 1997-03-10 | 2000-10-03 | 三星電子株式会社 | ブロック化効果の低減のための一次元信号適応フィルター及びフィルタリング方法 |
US6882688B1 (en) | 1998-12-11 | 2005-04-19 | Matsushita Electric Industrial Co., Ltd. | Deblocking filter arithmetic apparatus and deblocking filter arithmetic method |
US7426315B2 (en) * | 2001-09-05 | 2008-09-16 | Zoran Microelectronics Ltd. | Method for reducing blocking artifacts |
EP1468266A4 (de) * | 2002-01-22 | 2009-03-11 | Beckman Coulter Inc | Umweltabgeschlossenes system für ein durchflusszytometer |
US20050013494A1 (en) * | 2003-07-18 | 2005-01-20 | Microsoft Corporation | In-loop deblocking filter |
US7724827B2 (en) * | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
US7545988B2 (en) * | 2004-08-09 | 2009-06-09 | George William Meeker | Image blocking artifact reduction via transform pair |
KR100716998B1 (ko) | 2005-05-24 | 2007-05-10 | 삼성전자주식회사 | 블록화 현상을 감소시키기 위한 부호화 및 복호화 장치 및그 방법과, 이를 구현하기 위한 프로그램이 기록된 기록매체 |
US20080084932A1 (en) * | 2006-10-06 | 2008-04-10 | Microsoft Corporation | Controlling loop filtering for interlaced video frames |
US8787443B2 (en) | 2010-10-05 | 2014-07-22 | Microsoft Corporation | Content adaptive deblocking during video encoding and decoding |
US9042458B2 (en) | 2011-04-01 | 2015-05-26 | Microsoft Technology Licensing, Llc | Multi-threaded implementations of deblock filtering |
JP2013025466A (ja) * | 2011-07-19 | 2013-02-04 | Sony Corp | 画像処理装置、画像処理システム及び画像処理プログラム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0107426B1 (de) * | 1982-10-14 | 1987-01-21 | British Telecommunications | Bildübertragung |
US4754492A (en) * | 1985-06-03 | 1988-06-28 | Picturetel Corporation | Method and system for adapting a digitized signal processing system for block processing with minimal blocking artifacts |
US4860373A (en) * | 1986-03-31 | 1989-08-22 | General Electric Company | Location dependent signal processor |
US4941043A (en) * | 1988-06-14 | 1990-07-10 | Siemens Aktiengesellschaft | Method for reducing blocking artifacts in video scene coding with discrete cosine transformation (DCT) at a low data rate |
JP2940956B2 (ja) * | 1988-11-30 | 1999-08-25 | 株式会社リコー | 線図形の特徴抽出方法 |
US5101445A (en) * | 1989-03-16 | 1992-03-31 | Unisys Corporation | Method and apparatus for filtering digital data by concatenating preprocessed overlapping groups of the data |
-
1991
- 1991-02-27 GB GB9104166A patent/GB2253318B/en not_active Expired - Fee Related
-
1992
- 1992-02-14 EP EP92301215A patent/EP0502622B1/de not_active Expired - Lifetime
- 1992-02-14 DE DE69206847T patent/DE69206847T2/de not_active Expired - Fee Related
- 1992-02-27 JP JP4041471A patent/JPH05110871A/ja active Pending
- 1992-02-27 US US07/843,906 patent/US5220616A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH05110871A (ja) | 1993-04-30 |
GB2253318A (en) | 1992-09-02 |
EP0502622A1 (de) | 1992-09-09 |
US5220616A (en) | 1993-06-15 |
EP0502622B1 (de) | 1995-12-20 |
GB9104166D0 (en) | 1991-04-17 |
GB2253318B (en) | 1994-07-20 |
DE69206847D1 (de) | 1996-02-01 |
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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 |