GB9204329D0 - Image data compression - Google Patents
Image data compressionInfo
- Publication number
- GB9204329D0 GB9204329D0 GB9204329A GB9204329A GB9204329D0 GB 9204329 D0 GB9204329 D0 GB 9204329D0 GB 9204329 A GB9204329 A GB 9204329A GB 9204329 A GB9204329 A GB 9204329A GB 9204329 D0 GB9204329 D0 GB 9204329D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- image data
- data compression
- compression
- image
- data
- 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
- H04N11/00—Colour television systems
- H04N11/04—Colour television systems using pulse code modulation
- H04N11/042—Codec means
- H04N11/044—Codec means involving 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
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- 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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
-
- 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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
- H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
- H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
-
- 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
-
- 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
- H04N19/115—Selection of the code volume for a coding unit prior to 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
- H04N19/124—Quantisation
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color Television Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9204329A GB2266635B (en) | 1992-02-28 | 1992-02-28 | Image data compression |
JP5033410A JPH066829A (en) | 1992-02-28 | 1993-02-23 | Method and apparatus for compressing image data |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9204329A GB2266635B (en) | 1992-02-28 | 1992-02-28 | Image data compression |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9204329D0 true GB9204329D0 (en) | 1992-04-08 |
GB2266635A GB2266635A (en) | 1993-11-03 |
GB2266635B GB2266635B (en) | 1995-11-15 |
Family
ID=10711234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9204329A Expired - Fee Related GB2266635B (en) | 1992-02-28 | 1992-02-28 | Image data compression |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPH066829A (en) |
GB (1) | GB2266635B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0660619A1 (en) * | 1993-12-22 | 1995-06-28 | Laboratoires D'electronique Philips S.A.S. | Method for image variable length coding and device for carrying such method |
US20030112863A1 (en) * | 2001-07-12 | 2003-06-19 | Demos Gary A. | Method and system for improving compressed image chroma information |
GB0128888D0 (en) | 2001-12-03 | 2002-01-23 | Imagination Tech Ltd | Method and apparatus for compressing data and decompressing compressed data |
AU2003214557A1 (en) * | 2002-04-12 | 2003-10-27 | Koninklijke Philips Electronics N.V. | Coding and decoding method and device |
US20040005003A1 (en) * | 2002-07-02 | 2004-01-08 | Koninklijke Philips Electronics N.V. | Quality improvement for FGS BL coding with U/V coarse quantization |
KR100657268B1 (en) * | 2004-07-15 | 2006-12-14 | 학교법인 대양학원 | Scalable encoding and decoding method of color video, and apparatus thereof |
US20080068458A1 (en) * | 2004-10-04 | 2008-03-20 | Cine-Tal Systems, Inc. | Video Monitoring System |
CN101867820B (en) * | 2005-09-20 | 2013-05-29 | 三菱电机株式会社 | Image decoding device and image decoding method |
US8401071B2 (en) * | 2007-12-19 | 2013-03-19 | Sony Corporation | Virtually lossless video data compression |
JP5094760B2 (en) * | 2009-02-13 | 2012-12-12 | 三菱電機株式会社 | Video encoding device |
WO2019192490A1 (en) * | 2018-04-02 | 2019-10-10 | Huawei Technologies Co., Ltd. | Adaptive quantization in video coding |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3085465B2 (en) * | 1989-10-31 | 2000-09-11 | オリンパス光学工業株式会社 | Image data encoding apparatus and encoding method |
JPH04358486A (en) * | 1991-06-04 | 1992-12-11 | Toshiba Corp | High efficiency code signal processing unit |
JP3141896B2 (en) * | 1991-08-09 | 2001-03-07 | ソニー株式会社 | Digital video signal recording device |
-
1992
- 1992-02-28 GB GB9204329A patent/GB2266635B/en not_active Expired - Fee Related
-
1993
- 1993-02-23 JP JP5033410A patent/JPH066829A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH066829A (en) | 1994-01-14 |
GB2266635B (en) | 1995-11-15 |
GB2266635A (en) | 1993-11-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
730A | Proceeding under section 30 patents act 1977 | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20110228 |