JPH0352570B2 - - Google Patents

Info

Publication number
JPH0352570B2
JPH0352570B2 JP56094350A JP9435081A JPH0352570B2 JP H0352570 B2 JPH0352570 B2 JP H0352570B2 JP 56094350 A JP56094350 A JP 56094350A JP 9435081 A JP9435081 A JP 9435081A JP H0352570 B2 JPH0352570 B2 JP H0352570B2
Authority
JP
Japan
Prior art keywords
hue
signal
density
color
address
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
Application number
JP56094350A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57208422A (en
Inventor
Kazuo Shioda
Taizo Akimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP56094350A priority Critical patent/JPS57208422A/ja
Priority to US06/384,238 priority patent/US4535413A/en
Priority to DE19823222488 priority patent/DE3222488A1/de
Publication of JPS57208422A publication Critical patent/JPS57208422A/ja
Publication of JPH0352570B2 publication Critical patent/JPH0352570B2/ja
Granted legal-status Critical Current

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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/62—Retouching, i.e. modification of isolated colours only or in isolated picture areas only
    • H04N1/628—Memory colours, e.g. skin or sky
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • 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
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or 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
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/62—Retouching, i.e. modification of isolated colours only or in isolated picture areas only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Spectrometry And Color Measurement (AREA)
JP56094350A 1981-06-18 1981-06-18 Hue judging device Granted JPS57208422A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56094350A JPS57208422A (en) 1981-06-18 1981-06-18 Hue judging device
US06/384,238 US4535413A (en) 1981-06-18 1982-06-02 Hue identifying apparatus
DE19823222488 DE3222488A1 (de) 1981-06-18 1982-06-15 Farbtonermittlungsvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56094350A JPS57208422A (en) 1981-06-18 1981-06-18 Hue judging device

Publications (2)

Publication Number Publication Date
JPS57208422A JPS57208422A (en) 1982-12-21
JPH0352570B2 true JPH0352570B2 (en, 2012) 1991-08-12

Family

ID=14107829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56094350A Granted JPS57208422A (en) 1981-06-18 1981-06-18 Hue judging device

Country Status (3)

Country Link
US (1) US4535413A (en, 2012)
JP (1) JPS57208422A (en, 2012)
DE (1) DE3222488A1 (en, 2012)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3468650D1 (en) * 1983-11-04 1988-02-18 Gretag Ag Method and device for rating the printing quality and/or controlling the ink supply in an offset printing machine, and offset printing machine with such a device
ATE31673T1 (de) * 1983-11-04 1988-01-15 Gretag Ag Verfahren und vorrichtung zur beurteilung der druckqualitaet eines vorzugsweise auf einer offset-druckmaschine hergestellten druckerzeugnisses und mit einer entsprechenden vorrichtung ausgestattete offset-druckmaschine.
JPS60105376A (ja) * 1983-11-14 1985-06-10 Toshiba Corp カラ−画像出力装置
DE3371693D1 (en) 1983-12-14 1987-06-25 Hell Rudolf Dr Ing Gmbh Method of and circuit arrangement for the recognition of chrominances and colours
US4661843A (en) * 1984-07-16 1987-04-28 Kabushiki Kaisha Toshiba Color image copying apparatus
JPS61137029A (ja) * 1984-12-07 1986-06-24 Hitachi Ltd 色情報変換回路
US4641959A (en) * 1985-02-27 1987-02-10 Fuji Photo Film Co., Ltd. Method for determining exposure amount in photographic printing
US4610536A (en) * 1985-05-06 1986-09-09 Polaroid Corporation Laser scanning and printing apparatus
US4884102A (en) * 1985-05-22 1989-11-28 Fuji Photo Film Co., Ltd. Controlling method for a photographic system
GB8514608D0 (en) * 1985-06-10 1985-07-10 Crosfield Electronics Ltd Colour modification in image reproduction systems
JPS6215422A (ja) * 1985-07-15 1987-01-23 Yokogawa Electric Corp 物体の色認識装置
US4800442A (en) * 1985-08-15 1989-01-24 Canon Kabushiki Kaisha Apparatus for generating an image from a digital video signal
EP0533298B1 (en) 1985-08-15 1997-12-17 Canon Kabushiki Kaisha Apparatus and method for generating a pulse-width-modulated recording signal for a raster scan printer from a digital video signal
US5182721A (en) * 1985-12-10 1993-01-26 Heidelberger Druckmaschinen Aktiengesellschaft Process and apparatus for controlling the inking process in a printing machine
US4782398A (en) * 1986-02-14 1988-11-01 Canon Kabushiki Kaisha Image processing apparatus
US4797738A (en) * 1986-05-19 1989-01-10 Kabushiki Kaisha Tohken Color recognition apparatus
EP0251278B1 (en) * 1986-06-30 1995-11-29 Konica Corporation Image processing method and apparatus therefor
JPS6361239A (ja) * 1986-09-01 1988-03-17 Fuji Photo Film Co Ltd カラ−フイルム検定装置のオフセツトドリフト補正方法
DE3629793C2 (de) * 1986-09-02 1994-11-24 Agfa Gevaert Ag Verfahren zum punkt- und zeilenweisen Kopieren einer mehrfarbigen Kopiervorlage und Vorrichtung zur Durchführung dieses Verfahrens
EP0292212B1 (en) * 1987-05-15 1995-08-02 Canon Kabushiki Kaisha Method of and apparatus for processing color image
US4989079A (en) * 1987-10-23 1991-01-29 Ricoh Company, Ltd. Color correction device and method having a hue area judgement unit
US4841361A (en) * 1987-12-03 1989-06-20 Konica Corporation Color image processing apparatus
US4967379A (en) * 1987-12-16 1990-10-30 Gretag Aktiengesellschaft Process for the ink control or regulation of a printing machine by comparing desired color to obtainable color data
US4975862A (en) * 1988-01-14 1990-12-04 Gretag Aktiengesellschaft Process and apparatus for the ink control of a printing machine
US4985759A (en) * 1988-04-05 1991-01-15 Ricoh Company, Ltd. Method and apparatus for extracting black color component
US5031034A (en) * 1988-06-20 1991-07-09 Canon Kabushiki Kaisha Image forming and processing apparatus with identification of character portions of images
JPH0250859A (ja) * 1988-08-11 1990-02-20 Dainippon Screen Mfg Co Ltd 色分解条件設定方法および装置
JP2536094B2 (ja) * 1988-10-20 1996-09-18 富士ゼロックス株式会社 カラ―画像処理装置
DE3913382C2 (de) * 1989-04-24 1995-12-14 Heidelberger Druckmasch Ag Verfahren zur Steuerung der Farbführung einer Druckmaschine
NO309743B1 (no) * 1998-12-14 2001-03-19 Kvaerner Technology & Res Ltd Roterende rörvarmeveksler
US6788441B1 (en) * 1999-01-28 2004-09-07 Ricoh Company, Ltd. Color image processing apparatus, image processing apparatus, color image processing method, image processing method, and a computer-readable recording medium for making a computer execute the methods

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5218869B2 (en, 2012) * 1972-07-25 1977-05-24
JPS5224701A (en) * 1975-08-20 1977-02-24 Dainippon Screen Mfg Method of correcting color of image signal
JPS5272077A (en) * 1975-12-05 1977-06-16 Hitachi Ltd Positioning system
CH610673A5 (en, 2012) * 1977-02-01 1979-04-30 Gretag Ag
JPS53145621A (en) * 1977-05-25 1978-12-19 Fuji Photo Film Co Ltd Hue extractor
DE2822717C2 (de) * 1977-05-25 1986-09-25 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa Einrichtung zum Korrigieren der Belichtung in einem photographischen Farbkopiergerät
DE2753632C2 (de) * 1977-12-01 1985-08-29 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren und Vorrichtung zum Selektieren von kopierunwürdigen fotografischen Vorlagen
JPS5481095A (en) * 1977-12-12 1979-06-28 Toshiba Corp Computer tomography device
US4168121A (en) * 1978-04-17 1979-09-18 Pako Corporation Automatic snow/beach correction for photographic printer
US4279502A (en) * 1978-09-15 1981-07-21 Agfa-Gevaert, A.G. Method of and apparatus for determining the copying light amounts for copying from color originals
DE2848376C2 (de) * 1978-11-08 1983-12-15 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur Nachkorrektur von Standardfarbkorrekturen bei der Farbbildaufzeichnung
CH646788A5 (de) * 1978-11-28 1984-12-14 Hell Rudolf Dr Ing Gmbh Verfahren und schaltungsanordnung zum erkennen von farben.
JPS6052429B2 (ja) * 1979-02-28 1985-11-19 大日本スクリ−ン製造株式会社 色修正演算方法
IL59886A (en) * 1979-04-23 1983-06-15 Dainippon Screen Mfg Digital color control method and machine
US4346402A (en) * 1979-05-30 1982-08-24 Crosfield Electronics Limited Image-reproduction apparatus
DE3024459A1 (de) * 1979-07-03 1981-01-08 Crosfield Electronics Ltd Pyramideninterpolation

Also Published As

Publication number Publication date
DE3222488C2 (en, 2012) 1991-07-25
US4535413A (en) 1985-08-13
DE3222488A1 (de) 1983-01-05
JPS57208422A (en) 1982-12-21

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