JPH0584104B2 - - Google Patents
Info
- Publication number
- JPH0584104B2 JPH0584104B2 JP58179058A JP17905883A JPH0584104B2 JP H0584104 B2 JPH0584104 B2 JP H0584104B2 JP 58179058 A JP58179058 A JP 58179058A JP 17905883 A JP17905883 A JP 17905883A JP H0584104 B2 JPH0584104 B2 JP H0584104B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- television signal
- gamma correction
- amplitude level
- level
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/82—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction
- H04N23/83—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction specially adapted for colour signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/424,233 US4499494A (en) | 1982-09-27 | 1982-09-27 | Television gamma corrector with symmetrical response about black-level |
| US424233 | 1982-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5983469A JPS5983469A (ja) | 1984-05-14 |
| JPH0584104B2 true JPH0584104B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-11-30 |
Family
ID=23681943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58179058A Granted JPS5983469A (ja) | 1982-09-27 | 1983-09-26 | ガンマ補正装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4499494A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| JP (1) | JPS5983469A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4568978A (en) * | 1982-06-30 | 1986-02-04 | U.S. Philips Corporation | Method of a circuit arrangement for producing a gamma corrected video signal |
| US4589019A (en) * | 1983-04-22 | 1986-05-13 | Rca Corporation | Digital adder including counter coupled to individual bits of the input |
| US4805013A (en) * | 1984-09-05 | 1989-02-14 | Canon Kabushiki Kaisha | Image data conversion system |
| JPS61234683A (ja) * | 1985-04-10 | 1986-10-18 | Fuji Photo Film Co Ltd | フイ−ルド/フレ−ム変換におけるフリツカ防止回路 |
| JP2509346B2 (ja) * | 1989-10-30 | 1996-06-19 | 池上通信機株式会社 | カラ―テレビジョン映像処理装置 |
| JP3071590B2 (ja) * | 1993-01-05 | 2000-07-31 | 日本電気株式会社 | 液晶ディスプレイ装置 |
| JP3263772B2 (ja) * | 1994-06-09 | 2002-03-11 | 三菱電機株式会社 | 映像表示装置 |
| AU681565B1 (en) * | 1997-01-13 | 1997-08-28 | Umax Data Systems Inc. | Image signal processing apparatus |
| CN1310521C (zh) * | 1999-02-19 | 2007-04-11 | 索尼公司 | 图象信号处理设备和方法、学习设备和方法以及记录介质 |
| US8260077B2 (en) * | 2006-11-29 | 2012-09-04 | Mstar Semiconductor, Inc. | Method and apparatus for eliminating image blur |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL280164A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1961-06-27 | |||
| GB1435696A (en) * | 1972-09-01 | 1976-05-12 | Kodak Ltd | Amplifier circuits |
| JPS5122322A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-08-19 | 1976-02-23 | Matsushita Electric Industrial Co Ltd | |
| JPS5427720A (en) * | 1977-08-03 | 1979-03-02 | Nec Corp | Process amplifier of color pickup unit |
| NL7808609A (nl) * | 1978-08-21 | 1980-02-25 | Philips Nv | Gammacorrectieschakeling voor een videosignaal. |
| JPS561666A (en) * | 1979-06-19 | 1981-01-09 | Ricoh Co Ltd | Gamma correcting system for picture input/output device |
| JPS5741091A (en) * | 1980-08-25 | 1982-03-06 | Hitachi Ltd | Signal processing circuit of color video camera |
| JPS57124972A (en) * | 1981-01-27 | 1982-08-04 | Sony Corp | Gamma compensation circuit |
-
1982
- 1982-09-27 US US06/424,233 patent/US4499494A/en not_active Expired - Lifetime
-
1983
- 1983-09-26 JP JP58179058A patent/JPS5983469A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4499494A (en) | 1985-02-12 |
| JPS5983469A (ja) | 1984-05-14 |
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