DE415100T1 - Eichsystem und -verfahren fuer farbbildabtastverfahren. - Google Patents
Eichsystem und -verfahren fuer farbbildabtastverfahren.Info
- Publication number
- DE415100T1 DE415100T1 DE199090114601T DE90114601T DE415100T1 DE 415100 T1 DE415100 T1 DE 415100T1 DE 199090114601 T DE199090114601 T DE 199090114601T DE 90114601 T DE90114601 T DE 90114601T DE 415100 T1 DE415100 T1 DE 415100T1
- Authority
- DE
- Germany
- Prior art keywords
- signals
- light
- photodetector
- cells
- individual
- 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
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means
-
- 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
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
- H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/48—Picture signal generators
- H04N1/486—Picture signal generators with separate detectors, each detector being used for one specific colour component
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Facsimile Scanning Arrangements (AREA)
- Color Image Communication Systems (AREA)
- Color Television Image Signal Generators (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Image Input (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/398,897 US4980759A (en) | 1989-08-28 | 1989-08-28 | Calibration system and method for color image scanning |
Publications (1)
Publication Number | Publication Date |
---|---|
DE415100T1 true DE415100T1 (de) | 1991-07-04 |
Family
ID=23577249
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE199090114601T Pending DE415100T1 (de) | 1989-08-28 | 1990-07-30 | Eichsystem und -verfahren fuer farbbildabtastverfahren. |
DE69008973T Expired - Fee Related DE69008973T2 (de) | 1989-08-28 | 1990-07-30 | Eichsystem und -verfahren für Farbbildabtastverfahren. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69008973T Expired - Fee Related DE69008973T2 (de) | 1989-08-28 | 1990-07-30 | Eichsystem und -verfahren für Farbbildabtastverfahren. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4980759A (de) |
EP (1) | EP0415100B1 (de) |
JP (1) | JP2501656B2 (de) |
AT (1) | ATE105948T1 (de) |
CA (1) | CA2019725C (de) |
DE (2) | DE415100T1 (de) |
DK (1) | DK0415100T3 (de) |
ES (1) | ES2056314T3 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5075770A (en) * | 1989-03-24 | 1991-12-24 | Polaroid Corporation | Color balanced image detector system |
US5475769A (en) * | 1992-07-13 | 1995-12-12 | Polaroid Corporation | Method and apparatus for recovering image data through the use of a color test pattern |
US5652663A (en) * | 1994-07-29 | 1997-07-29 | Polaroid Corporation | Preview buffer for electronic scanner |
US5757425A (en) * | 1995-12-19 | 1998-05-26 | Eastman Kodak Company | Method and apparatus for independently calibrating light source and photosensor arrays |
US5821993A (en) * | 1996-01-25 | 1998-10-13 | Medar, Inc. | Method and system for automatically calibrating a color camera in a machine vision system |
US6043909A (en) | 1996-02-26 | 2000-03-28 | Imagicolor Corporation | System for distributing and controlling color reproduction at multiple sites |
US7728845B2 (en) | 1996-02-26 | 2010-06-01 | Rah Color Technologies Llc | Color calibration of color image rendering devices |
DE19649797A1 (de) * | 1996-12-02 | 1998-06-04 | Hell Ag Linotype | Verfahren zum Abgleich eines Abtastgerätes |
WO1999010866A1 (en) | 1997-08-25 | 1999-03-04 | Imagicolor Corp | A system for distributing and controlling color reproduction at multiple sites |
US6516101B1 (en) * | 1997-10-09 | 2003-02-04 | Mustek System, Inc. | Image scanning device having image data correction function |
US7102648B1 (en) | 2000-04-11 | 2006-09-05 | Rah Color Technologies Llc | Methods and apparatus for calibrating a color display |
US6900448B1 (en) * | 2000-07-31 | 2005-05-31 | Hewlett-Packard Development Company L.P. | Method and system for dynamic scanner calibration |
US20020100863A1 (en) * | 2001-01-30 | 2002-08-01 | Spears Kurt E. | Optical image scanner with color and intensity compensation during lamp warmup |
US7978380B2 (en) * | 2005-06-30 | 2011-07-12 | Brother Kogyo Kabushiki Kaisha | Image reader and method of producing thereof |
US8339689B1 (en) | 2006-06-30 | 2012-12-25 | Marvell International Ltd. | Exposure correction for scanners |
JP6127448B2 (ja) | 2011-11-30 | 2017-05-17 | 株式会社リコー | 撮像ユニット、測色装置、画像形成装置および測色システム |
JP5962293B2 (ja) * | 2012-07-23 | 2016-08-03 | 富士ゼロックス株式会社 | 画像読取装置および画像形成装置 |
US9746370B2 (en) * | 2014-02-26 | 2017-08-29 | Sensity Systems Inc. | Method and apparatus for measuring illumination characteristics of a luminaire |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2545961C3 (de) * | 1975-10-14 | 1983-12-15 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Vorrichtung zum Herstellen von korrigierten Farbauszügen |
US4174528A (en) * | 1978-06-30 | 1979-11-13 | International Business Machines Corporation | Exposure control for document scanner arrays |
SU832773A1 (ru) * | 1978-08-18 | 1981-05-23 | Всесоюзный Научно-Исследовательскийинститут Телевидения И Радиовещания | Устройство выравнивани цвето-дЕлЕННыХ СигНАлОВ |
DD140092A1 (de) * | 1978-11-07 | 1980-02-06 | Wolfgang Baer | Anordnung zur abtastung farbiger graphischer vorlagen |
JPS5784674A (en) * | 1980-11-14 | 1982-05-27 | Konishiroku Photo Ind Co Ltd | Recorder |
JPS5942511B2 (ja) * | 1982-04-13 | 1984-10-15 | 株式会社東芝 | 密着センサ |
US4677287A (en) * | 1982-07-14 | 1987-06-30 | Canon Kabushiki Kaisha | Document reader with light source control |
JPH0683371B2 (ja) * | 1982-10-20 | 1994-10-19 | キヤノン株式会社 | 情報読取り装置 |
EP0110353B2 (de) * | 1982-11-30 | 1990-03-21 | Kabushiki Kaisha Toshiba | Bildsignalverarbeitungssystem geeignet für die Darstellung von Halbtonbildern |
IT1172646B (it) * | 1983-09-21 | 1987-06-18 | M S Sistemi Automatici Srl | Apparato per rilevare la colorazione di corpi piani in movimento ed atto ad elaborare dei segnali elettrici che variano in funzione della qualita del colore dei detti corpi apparato particolarmente adatto per automatizzare la scelta delle mattonelle di ceramica all'atto della produzione |
US4712000A (en) * | 1983-10-21 | 1987-12-08 | Canon Kabushiki Kaisha | Rotary encoder with source-adjacent light sampling and control |
JPS60162377A (ja) * | 1984-02-01 | 1985-08-24 | Sharp Corp | フアクシミリ,ocr等における調光装置 |
JPS60236581A (ja) * | 1984-05-10 | 1985-11-25 | Fuji Xerox Co Ltd | カラ−画像読取装置 |
US4661843A (en) * | 1984-07-16 | 1987-04-28 | Kabushiki Kaisha Toshiba | Color image copying apparatus |
JPH0813078B2 (ja) * | 1984-07-23 | 1996-02-07 | 株式会社リコー | カラ−原稿読取装置 |
US4731661A (en) * | 1984-11-16 | 1988-03-15 | Sharp Kabushiki Kaisha | Color document reader with white balance adjuster for determining light emission periods for a plurality of different-colored light sources and corresponding integration times for a light sensor by reading a white reference area |
JPS6291068A (ja) * | 1985-10-17 | 1987-04-25 | Canon Inc | カラ−原稿読取り装置 |
US4745467A (en) * | 1985-10-28 | 1988-05-17 | Kabushiki Kaisha Toshiba | Color image-processing apparatus |
US4862286A (en) * | 1986-11-14 | 1989-08-29 | Canon Kabushiki Kaisha | Image reading apparatus which adjusts image signals to improve signal balance |
JPS63316567A (ja) * | 1987-06-19 | 1988-12-23 | Mitsubishi Electric Corp | カラ−画像読取装置 |
JPH0620221B2 (ja) * | 1987-07-15 | 1994-03-16 | 大日本スクリ−ン製造株式会社 | 読取りタイミングを相対的にずらせた画像読取り装置 |
JPH01307360A (ja) * | 1988-06-06 | 1989-12-12 | Mitsubishi Electric Corp | カラー画像読取装置 |
-
1989
- 1989-08-28 US US07/398,897 patent/US4980759A/en not_active Expired - Lifetime
-
1990
- 1990-06-25 CA CA002019725A patent/CA2019725C/en not_active Expired - Fee Related
- 1990-07-30 DK DK90114601.9T patent/DK0415100T3/da active
- 1990-07-30 AT AT90114601T patent/ATE105948T1/de not_active IP Right Cessation
- 1990-07-30 DE DE199090114601T patent/DE415100T1/de active Pending
- 1990-07-30 DE DE69008973T patent/DE69008973T2/de not_active Expired - Fee Related
- 1990-07-30 EP EP90114601A patent/EP0415100B1/de not_active Expired - Lifetime
- 1990-07-30 ES ES90114601T patent/ES2056314T3/es not_active Expired - Lifetime
- 1990-08-24 JP JP2224168A patent/JP2501656B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2056314T3 (es) | 1994-10-01 |
EP0415100A3 (en) | 1991-04-10 |
US4980759A (en) | 1990-12-25 |
CA2019725A1 (en) | 1991-02-28 |
JP2501656B2 (ja) | 1996-05-29 |
DK0415100T3 (da) | 1994-06-20 |
EP0415100A2 (de) | 1991-03-06 |
DE69008973T2 (de) | 1994-09-01 |
JPH03132254A (ja) | 1991-06-05 |
EP0415100B1 (de) | 1994-05-18 |
DE69008973D1 (de) | 1994-06-23 |
ATE105948T1 (de) | 1994-06-15 |
CA2019725C (en) | 2000-08-29 |
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