DE3260247D1 - Television camera colour correction circuit for improved image perception - Google Patents
Television camera colour correction circuit for improved image perceptionInfo
- Publication number
- DE3260247D1 DE3260247D1 DE8282400821T DE3260247T DE3260247D1 DE 3260247 D1 DE3260247 D1 DE 3260247D1 DE 8282400821 T DE8282400821 T DE 8282400821T DE 3260247 T DE3260247 T DE 3260247T DE 3260247 D1 DE3260247 D1 DE 3260247D1
- Authority
- DE
- Germany
- Prior art keywords
- correction circuit
- television camera
- improved image
- colour correction
- image perception
- 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
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
- H04N23/13—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths with multiple sensors
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8110253A FR2506549A1 (fr) | 1981-05-22 | 1981-05-22 | Dispositif de correction des informations couleur fournies par les tubes analyseurs d'une camera en vue d'ameliorer la perception des images |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3260247D1 true DE3260247D1 (en) | 1984-07-19 |
Family
ID=9258804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282400821T Expired DE3260247D1 (en) | 1981-05-22 | 1982-05-04 | Television camera colour correction circuit for improved image perception |
Country Status (6)
Country | Link |
---|---|
US (1) | US4499486A (de) |
EP (1) | EP0067083B1 (de) |
JP (1) | JPS57197988A (de) |
CA (1) | CA1197608A (de) |
DE (1) | DE3260247D1 (de) |
FR (1) | FR2506549A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3480760D1 (de) * | 1983-09-16 | 1990-01-18 | Hitachi Ltd | Signalverarbeitungsschaltung fuer eine farbvideokamera. |
JPS60151786A (ja) * | 1984-01-19 | 1985-08-09 | Fuji Photo Film Co Ltd | 放射線画像情報読取階調処理方法および装置 |
FR2575884B1 (fr) * | 1985-01-08 | 1988-07-08 | Thomson Video Equip | Dispositif pour reduire la dynamique de trois signaux de couleur representant une image |
US4764971A (en) * | 1985-11-25 | 1988-08-16 | Eastman Kodak Company | Image processing method including image segmentation |
JPS6354144A (ja) * | 1986-08-25 | 1988-03-08 | 株式会社東芝 | 電子内視鏡装置 |
JPH0669438B2 (ja) * | 1987-04-24 | 1994-09-07 | 株式会社東芝 | 内視鏡装置 |
DE3629396C2 (de) * | 1986-08-29 | 1993-12-23 | Agfa Gevaert Ag | Verfahren zur elektronischen Bildverarbeitung |
DE3629403C2 (de) * | 1986-08-29 | 1994-09-29 | Agfa Gevaert Ag | Verfahren zur Korrektur der Farbsättigung bei der elektronischen Bildverarbeitung |
JP2522296B2 (ja) * | 1987-03-31 | 1996-08-07 | ソニー株式会社 | 映像信号の階調制御回路 |
US4868651A (en) * | 1988-05-17 | 1989-09-19 | S&S Inficon, Inc. | Digital radiography with image brightness and contrast normalization |
JP2582140B2 (ja) * | 1988-10-31 | 1997-02-19 | 株式会社日立製作所 | 投写形ディスプレイ |
CA2040672C (en) * | 1990-04-26 | 1995-05-30 | Masaaki Kanashiki | Image signal processing apparatus |
US5137364A (en) * | 1991-01-31 | 1992-08-11 | Mccarthy Cornelius J | Optical spectral analysis apparatus |
BE1007590A3 (nl) * | 1993-10-01 | 1995-08-16 | Philips Electronics Nv | Videosignaalverwerkingsschakeling. |
JP3134660B2 (ja) * | 1994-04-14 | 2001-02-13 | 松下電器産業株式会社 | 色変換方法および色変換装置 |
JP3408316B2 (ja) * | 1994-04-18 | 2003-05-19 | 日本フィリップス株式会社 | ニー回路 |
BR9804773B1 (pt) * | 1997-03-06 | 2010-12-14 | aparelho de compensaÇço do gama. | |
JP4257036B2 (ja) * | 1999-02-05 | 2009-04-22 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ヒストグラム等化方法 |
EP1404116A1 (de) * | 2002-09-25 | 2004-03-31 | Dialog Semiconductor GmbH | Verfahren einer schnellen Farbsättigungskorrektur |
JP2008242733A (ja) * | 2007-03-27 | 2008-10-09 | Seiko Epson Corp | 画像処理装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2018149C3 (de) * | 1970-04-16 | 1975-08-28 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur Erhöhung der Schärfe von Farbfernsehbildern und Schaltungsanordnung zur Durchführung des Verfahrens |
US3684825A (en) * | 1971-02-19 | 1972-08-15 | Rca Corp | Contrast compression circuits |
US3979555A (en) * | 1975-05-27 | 1976-09-07 | Hughes Aircraft Company | Histogram equalization system for display improvement |
US3983320A (en) * | 1975-08-25 | 1976-09-28 | Hughes Aircraft Company | Raster display histogram equalization |
GB2046051B (en) * | 1979-03-29 | 1983-01-26 | Philips Electronic Associated | Real time histogram modification system for image processing |
FR2456448A1 (fr) * | 1979-05-11 | 1980-12-05 | Thomson Csf | Dispositif de commande automatique de la fonction de transfert d'un systeme de transmission videofrequence en vue d'ameliorer la perception des images |
IL58119A (en) * | 1979-08-27 | 1983-03-31 | Yeda Res & Dev | Histogram image enhancement system |
US4315319A (en) * | 1980-02-01 | 1982-02-09 | Rockwell International Corporation | Non-linear signal processor |
US4394744A (en) * | 1981-02-12 | 1983-07-19 | The United States Of America As Represented By The Secretary Of The Navy | Real-time amplitude histogram shaper |
-
1981
- 1981-05-22 FR FR8110253A patent/FR2506549A1/fr active Granted
-
1982
- 1982-05-04 EP EP82400821A patent/EP0067083B1/de not_active Expired
- 1982-05-04 DE DE8282400821T patent/DE3260247D1/de not_active Expired
- 1982-05-18 CA CA000403228A patent/CA1197608A/en not_active Expired
- 1982-05-19 US US06/379,945 patent/US4499486A/en not_active Expired - Fee Related
- 1982-05-21 JP JP57087176A patent/JPS57197988A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4499486A (en) | 1985-02-12 |
EP0067083B1 (de) | 1984-06-13 |
FR2506549A1 (fr) | 1982-11-26 |
FR2506549B1 (de) | 1983-10-07 |
CA1197608A (en) | 1985-12-03 |
EP0067083A1 (de) | 1982-12-15 |
JPS57197988A (en) | 1982-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |