GB2061660B - Modifying the contrast of an image - Google Patents
Modifying the contrast of an imageInfo
- Publication number
- GB2061660B GB2061660B GB7936046A GB7936046A GB2061660B GB 2061660 B GB2061660 B GB 2061660B GB 7936046 A GB7936046 A GB 7936046A GB 7936046 A GB7936046 A GB 7936046A GB 2061660 B GB2061660 B GB 2061660B
- Authority
- GB
- United Kingdom
- Prior art keywords
- modifying
- contrast
- image
- 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
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
- H04N5/20—Circuitry for controlling amplitude response
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7936046A GB2061660B (en) | 1979-10-17 | 1979-10-17 | Modifying the contrast of an image |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7936046A GB2061660B (en) | 1979-10-17 | 1979-10-17 | Modifying the contrast of an image |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2061660A GB2061660A (en) | 1981-05-13 |
GB2061660B true GB2061660B (en) | 1983-08-24 |
Family
ID=10508572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7936046A Expired GB2061660B (en) | 1979-10-17 | 1979-10-17 | Modifying the contrast of an image |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2061660B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2195214B (en) * | 1980-12-10 | 1988-10-26 | Emi Ltd | Automatic focussing system for an optical system |
US4536790A (en) * | 1982-11-26 | 1985-08-20 | Thomson-Csf Broadcast, Inc. | Apparatus and method for fluoroscopic imaging of a body |
JPS6075033A (en) * | 1983-09-30 | 1985-04-27 | 株式会社東芝 | X-ray diagnostic apparatus |
JPS61203785A (en) * | 1985-03-07 | 1986-09-09 | Dainippon Screen Mfg Co Ltd | Method and device for smoothing binary picture data |
GB8521019D0 (en) * | 1985-08-22 | 1986-10-01 | Rank Pullin Controls Ltd | Imaging apparatus |
US4841555A (en) * | 1987-08-03 | 1989-06-20 | University Of Chicago | Method and system for removing scatter and veiling glate and other artifacts in digital radiography |
US4943934A (en) * | 1987-12-04 | 1990-07-24 | Hamamatsu Photonics Kabushiki Kaisha | Picture operation unit for performing operations on intensity data of neighboring picture elements |
EP0404396B1 (en) * | 1989-06-19 | 1994-10-05 | International Business Machines Corporation | Image capture system and method |
DE69228629T2 (en) * | 1991-06-20 | 1999-09-09 | Canon K.K. | Arrangement of several image sensors in one video camera |
KR100206319B1 (en) * | 1995-12-13 | 1999-07-01 | 윤종용 | Local contrast improving method and apparatus of a video signal |
GB2414613A (en) * | 2004-05-28 | 2005-11-30 | Sony Uk Ltd | Modifying pixels in dependence on surrounding test region |
GB2417381A (en) * | 2004-08-20 | 2006-02-22 | Apical Limited | Dynamic range compression preserving local image contrast |
-
1979
- 1979-10-17 GB GB7936046A patent/GB2061660B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2061660A (en) | 1981-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |