JPS51123521A - Method of correcting gamma of video signal - Google Patents
Method of correcting gamma of video signalInfo
- Publication number
- JPS51123521A JPS51123521A JP51038674A JP3867476A JPS51123521A JP S51123521 A JPS51123521 A JP S51123521A JP 51038674 A JP51038674 A JP 51038674A JP 3867476 A JP3867476 A JP 3867476A JP S51123521 A JPS51123521 A JP S51123521A
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- correcting gamma
- gamma
- correcting
- video
- 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.)
- Pending
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752515479 DE2515479C3 (de) | 1975-04-09 | Verfahren zur T-Korrektur von Videosignalen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS51123521A true JPS51123521A (en) | 1976-10-28 |
Family
ID=5943405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51038674A Pending JPS51123521A (en) | 1975-04-09 | 1976-04-06 | Method of correcting gamma of video signal |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4086615A (enExample) |
| JP (1) | JPS51123521A (enExample) |
| AT (1) | AT348044B (enExample) |
| FR (1) | FR2307420A1 (enExample) |
| GB (1) | GB1547425A (enExample) |
| IT (1) | IT1058880B (enExample) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56125177A (en) * | 1980-01-24 | 1981-10-01 | Hitachi Denshi Ltd | Contrast adjusting system for color television camera |
| JPS60242784A (ja) * | 1984-07-30 | 1985-12-02 | Hitachi Ltd | カラ−テレビジヨン受信機 |
| JPS61212982A (ja) * | 1985-03-18 | 1986-09-20 | Hitachi Ltd | ビデオカメラの信号処理回路 |
| JPH04150171A (ja) * | 1990-10-09 | 1992-05-22 | Matsushita Electric Ind Co Ltd | 階調補正方法および階調補正装置 |
| JPH0576036A (ja) * | 1991-09-17 | 1993-03-26 | Matsushita Electric Ind Co Ltd | 階調補正方法および装置 |
| JPH07143516A (ja) * | 1993-11-16 | 1995-06-02 | Ikegami Tsushinki Co Ltd | 映像信号圧縮装置 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5121261A (en) * | 1988-11-14 | 1992-06-09 | Nikon Corporation | Digital video signal processing apparatus |
| CN100484252C (zh) * | 2001-12-29 | 2009-04-29 | 三星电子株式会社 | 控制图像亮度的装置和方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3272916A (en) * | 1962-05-16 | 1966-09-13 | Emi Ltd | Color television systems utilizing a true luminance signal |
| US3604841A (en) * | 1969-05-01 | 1971-09-14 | Columbia Broadcasting Syst Inc | Correction apparatus for encoded color television signals |
| JPS5136134B2 (enExample) * | 1971-11-27 | 1976-10-06 |
-
1976
- 1976-02-26 AT AT143676A patent/AT348044B/de not_active IP Right Cessation
- 1976-03-25 US US05/670,410 patent/US4086615A/en not_active Expired - Lifetime
- 1976-03-31 IT IT21744/76A patent/IT1058880B/it active
- 1976-04-06 JP JP51038674A patent/JPS51123521A/ja active Pending
- 1976-04-06 FR FR7609942A patent/FR2307420A1/fr active Granted
- 1976-04-09 GB GB14559/76A patent/GB1547425A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56125177A (en) * | 1980-01-24 | 1981-10-01 | Hitachi Denshi Ltd | Contrast adjusting system for color television camera |
| JPS60242784A (ja) * | 1984-07-30 | 1985-12-02 | Hitachi Ltd | カラ−テレビジヨン受信機 |
| JPS61212982A (ja) * | 1985-03-18 | 1986-09-20 | Hitachi Ltd | ビデオカメラの信号処理回路 |
| JPH04150171A (ja) * | 1990-10-09 | 1992-05-22 | Matsushita Electric Ind Co Ltd | 階調補正方法および階調補正装置 |
| JPH0576036A (ja) * | 1991-09-17 | 1993-03-26 | Matsushita Electric Ind Co Ltd | 階調補正方法および装置 |
| JPH07143516A (ja) * | 1993-11-16 | 1995-06-02 | Ikegami Tsushinki Co Ltd | 映像信号圧縮装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2515479B2 (de) | 1977-04-28 |
| GB1547425A (en) | 1979-06-20 |
| IT1058880B (it) | 1982-05-10 |
| AT348044B (de) | 1979-01-25 |
| DE2515479A1 (de) | 1976-10-14 |
| ATA143676A (de) | 1978-06-15 |
| US4086615A (en) | 1978-04-25 |
| FR2307420B1 (enExample) | 1981-06-12 |
| FR2307420A1 (fr) | 1976-11-05 |
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