CA2009848A1 - Methode et systeme d'enregistrement et de lecture de donnee codees - Google Patents
Methode et systeme d'enregistrement et de lecture de donnee codeesInfo
- Publication number
- CA2009848A1 CA2009848A1 CA2009848A CA2009848A CA2009848A1 CA 2009848 A1 CA2009848 A1 CA 2009848A1 CA 2009848 A CA2009848 A CA 2009848A CA 2009848 A CA2009848 A CA 2009848A CA 2009848 A1 CA2009848 A1 CA 2009848A1
- Authority
- CA
- Canada
- Prior art keywords
- coded data
- quantization coefficients
- writing
- coded
- coding
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/41—Bandwidth or redundancy reduction
- H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
- H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
- H04N1/415—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which the picture-elements are subdivided or grouped into fixed one-dimensional or two-dimensional blocks
-
- 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
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Image Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34229/1989 | 1989-02-14 | ||
JP1034229A JP2571274B2 (ja) | 1989-02-14 | 1989-02-14 | 符号データ格納・読出方式 |
JP19575389A JP2614325B2 (ja) | 1989-07-28 | 1989-07-28 | 画像データ符号化方式及び符号データ読出し処理方式 |
JP195753/1989 | 1989-07-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2009848A1 true CA2009848A1 (fr) | 1990-08-14 |
CA2009848C CA2009848C (fr) | 1995-11-21 |
Family
ID=26373020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002009848A Expired - Fee Related CA2009848C (fr) | 1989-02-14 | 1990-02-12 | Methode et systeme d'enregistrement et de lecture de donnee codees |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0383678B1 (fr) |
KR (1) | KR930004004B1 (fr) |
CA (1) | CA2009848C (fr) |
DE (1) | DE69026634T2 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6336180B1 (en) | 1997-04-30 | 2002-01-01 | Canon Kabushiki Kaisha | Method, apparatus and system for managing virtual memory with virtual-physical mapping |
US5303058A (en) * | 1990-10-22 | 1994-04-12 | Fujitsu Limited | Data processing apparatus for compressing and reconstructing image data |
JP3336029B2 (ja) * | 1991-01-02 | 2002-10-21 | 株式会社リコー | 画像圧縮用量子化方法及び装置 |
GB2251756B (en) * | 1991-01-11 | 1995-01-04 | Sony Broadcast & Communication | Compression of video signals |
GB2252001B (en) * | 1991-01-11 | 1995-01-04 | Sony Broadcast & Communication | Storage of video signals |
US5295203A (en) * | 1992-03-26 | 1994-03-15 | General Instrument Corporation | Method and apparatus for vector coding of video transform coefficients |
KR100186915B1 (ko) * | 1994-07-13 | 1999-05-01 | 모리시다 요이치 | 디지털 부호화 장치 및 디지털 부호 복호화 장치 |
AUPO648397A0 (en) | 1997-04-30 | 1997-05-22 | Canon Information Systems Research Australia Pty Ltd | Improvements in multiprocessor architecture operation |
US6707463B1 (en) | 1997-04-30 | 2004-03-16 | Canon Kabushiki Kaisha | Data normalization technique |
US6061749A (en) | 1997-04-30 | 2000-05-09 | Canon Kabushiki Kaisha | Transformation of a first dataword received from a FIFO into an input register and subsequent dataword from the FIFO into a normalized output dataword |
US6414687B1 (en) | 1997-04-30 | 2002-07-02 | Canon Kabushiki Kaisha | Register setting-micro programming system |
US6246396B1 (en) | 1997-04-30 | 2001-06-12 | Canon Kabushiki Kaisha | Cached color conversion method and apparatus |
AUPO647997A0 (en) | 1997-04-30 | 1997-05-22 | Canon Information Systems Research Australia Pty Ltd | Memory controller architecture |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2146874A (en) * | 1983-08-26 | 1985-04-24 | British Telecomm | Decoding of minimum redundancy codes |
-
1990
- 1990-02-12 CA CA002009848A patent/CA2009848C/fr not_active Expired - Fee Related
- 1990-02-13 EP EP90400394A patent/EP0383678B1/fr not_active Expired - Lifetime
- 1990-02-13 DE DE69026634T patent/DE69026634T2/de not_active Expired - Fee Related
- 1990-02-14 KR KR1019900001786A patent/KR930004004B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930004004B1 (ko) | 1993-05-19 |
KR900013769A (ko) | 1990-09-05 |
EP0383678B1 (fr) | 1996-04-24 |
DE69026634T2 (de) | 1996-11-14 |
EP0383678A2 (fr) | 1990-08-22 |
CA2009848C (fr) | 1995-11-21 |
DE69026634D1 (de) | 1996-05-30 |
EP0383678A3 (fr) | 1992-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |