GB9127136D0 - Novel quantization method for use in image compression - Google Patents
Novel quantization method for use in image compressionInfo
- Publication number
- GB9127136D0 GB9127136D0 GB919127136A GB9127136A GB9127136D0 GB 9127136 D0 GB9127136 D0 GB 9127136D0 GB 919127136 A GB919127136 A GB 919127136A GB 9127136 A GB9127136 A GB 9127136A GB 9127136 D0 GB9127136 D0 GB 9127136D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- image compression
- quantization method
- novel
- novel quantization
- compression
- 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
- 230000006835 compression Effects 0.000 title 1
- 238000007906 compression Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000013139 quantization Methods 0.000 title 1
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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Image Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63583191A | 1991-01-02 | 1991-01-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9127136D0 true GB9127136D0 (en) | 1992-02-19 |
GB2253113A GB2253113A (en) | 1992-08-26 |
GB2253113B GB2253113B (en) | 1994-06-15 |
Family
ID=24549281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9127136A Expired - Fee Related GB2253113B (en) | 1991-01-02 | 1991-12-20 | Novel quantization method for use in image compression |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP3336029B2 (en) |
DE (1) | DE4143204C2 (en) |
FR (1) | FR2671208B1 (en) |
GB (1) | GB2253113B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5664028A (en) * | 1990-04-19 | 1997-09-02 | Ricoh Corporation | Apparatus and method for compressing still images |
US5594812A (en) * | 1990-04-19 | 1997-01-14 | Ricoh Corporation | Apparatus and method for compressing still images |
JP3155383B2 (en) * | 1992-02-28 | 2001-04-09 | 株式会社リコー | Two-mode processing device, two-dimensional conversion device, and still image data compression system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2550820B1 (en) * | 1983-08-18 | 1987-08-21 | Jourdan Charles | EXHAUST DEVICE FOR INTERNAL COMBUSTION ENGINE |
DE3608914A1 (en) * | 1986-03-18 | 1987-10-01 | Thomson Brandt Gmbh | CORRECTION PROCEDURE |
US4922273A (en) * | 1987-04-02 | 1990-05-01 | Konica Corporation | Compression method of halftone image data |
JPH0810935B2 (en) * | 1988-12-09 | 1996-01-31 | 富士写真フイルム株式会社 | Image signal compression encoding device and decompression reproducing device |
US5170264A (en) * | 1988-12-10 | 1992-12-08 | Fuji Photo Film Co., Ltd. | Compression coding device and expansion decoding device for a picture signal |
CA2009848C (en) * | 1989-02-14 | 1995-11-21 | Masahiro Fukuda | Method and system for writing and reading coded data |
FR2644962A1 (en) * | 1989-03-24 | 1990-09-28 | Labo Electronique Physique | DEVICE FOR ENCODING DIGITAL VIDEO SIGNALS |
-
1991
- 1991-12-18 JP JP35364091A patent/JP3336029B2/en not_active Expired - Fee Related
- 1991-12-20 GB GB9127136A patent/GB2253113B/en not_active Expired - Fee Related
- 1991-12-30 DE DE4143204A patent/DE4143204C2/en not_active Expired - Fee Related
- 1991-12-31 FR FR9116392A patent/FR2671208B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3336029B2 (en) | 2002-10-21 |
JPH04297185A (en) | 1992-10-21 |
FR2671208A1 (en) | 1992-07-03 |
GB2253113B (en) | 1994-06-15 |
FR2671208B1 (en) | 1993-06-18 |
DE4143204A1 (en) | 1992-07-09 |
DE4143204C2 (en) | 1997-04-03 |
GB2253113A (en) | 1992-08-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20071220 |