JP2006094492A - カラー装置の較正 - Google Patents

カラー装置の較正 Download PDF

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Publication number
JP2006094492A
JP2006094492A JP2005264897A JP2005264897A JP2006094492A JP 2006094492 A JP2006094492 A JP 2006094492A JP 2005264897 A JP2005264897 A JP 2005264897A JP 2005264897 A JP2005264897 A JP 2005264897A JP 2006094492 A JP2006094492 A JP 2006094492A
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JP
Japan
Prior art keywords
color
trc
value
primary color
component
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
Application number
JP2005264897A
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English (en)
Japanese (ja)
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JP2006094492A5 (enExample
Inventor
Meng Yao
メン　ヤオ
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.)
Xerox Corp
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Xerox Corp
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Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of JP2006094492A publication Critical patent/JP2006094492A/ja
Publication of JP2006094492A5 publication Critical patent/JP2006094492A5/ja
Pending legal-status Critical Current

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    • 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
    • H04N1/6016—Conversion to subtractive colour signals
    • H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking
    • 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
    • H04N1/6027—Correction or control of colour gradation or colour contrast

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color, Gradation (AREA)
  • Image Processing (AREA)
  • Color Image Communication Systems (AREA)
JP2005264897A 2004-09-20 2005-09-13 カラー装置の較正 Pending JP2006094492A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/945,600 US7394566B2 (en) 2004-09-20 2004-09-20 Calibration of color devices

Publications (2)

Publication Number Publication Date
JP2006094492A true JP2006094492A (ja) 2006-04-06
JP2006094492A5 JP2006094492A5 (enExample) 2008-10-30

Family

ID=35427750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005264897A Pending JP2006094492A (ja) 2004-09-20 2005-09-13 カラー装置の較正

Country Status (5)

Country Link
US (1) US7394566B2 (enExample)
EP (1) EP1638313B1 (enExample)
JP (1) JP2006094492A (enExample)
BR (1) BRPI0503726A (enExample)
DE (1) DE602005008153D1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006341605A (ja) * 2005-06-09 2006-12-21 Xerox Corp カラー印刷

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7417766B2 (en) * 2004-09-20 2008-08-26 Xerox Corporation Calibration of color devices
US7508558B2 (en) * 2005-05-18 2009-03-24 Xerox Corporation Color printing
US7457015B2 (en) * 2005-05-18 2008-11-25 Xerox Corporation Color printing
US8102564B2 (en) 2005-12-22 2012-01-24 Xerox Corporation Method and system for color correction using both spatial correction and printer calibration techniques
US7688470B2 (en) * 2006-12-20 2010-03-30 Xerox Corporation System and method for color calibration incorporating gray-component replacement using black value and intermediate color variable input
US20080218802A1 (en) * 2007-03-09 2008-09-11 Xerox Corporation Device calibration method with accurate planar control
US7880928B2 (en) * 2007-12-21 2011-02-01 Xerox Corporation Color image process controls methods and systems
US7880930B2 (en) * 2008-05-19 2011-02-01 Xerox Corporation Reducing printhead process color non-uniformities in a direct marking device
US11305550B2 (en) 2019-02-27 2022-04-19 Ricoh Company, Ltd. Ink deposition uniformity compensation mechanism
US11216710B1 (en) 2020-08-18 2022-01-04 Ricoh Company, Ltd. Iterative uniformity compensation mechanism
US11758074B2 (en) * 2021-03-05 2023-09-12 Ricoh Company, Ltd. Color uniformity compensation mechanism
US11539857B2 (en) 2021-03-05 2022-12-27 Ricoh Company, Ltd. Uniformity compensation mechanism using missing neighbor thresholds
US11570311B2 (en) 2021-03-05 2023-01-31 Ricoh Company, Ltd. Defective nozzle correction mechanism using missing neighbor threshold lowering function
US11734536B2 (en) * 2021-03-05 2023-08-22 Ricoh Company, Ltd. Color uniformity compensation mechanism
US11443152B1 (en) 2021-03-05 2022-09-13 Ricoh Company, Ltd. Secondary color uniformity compensation mechanism
US12240252B2 (en) 2023-02-21 2025-03-04 Ricoh Company, Ltd. Automatic tuning compensation mechanism
US11900189B1 (en) 2023-02-21 2024-02-13 Ricoh Company, Ltd. Automatic tuning compensation system that determines optimal compensation target values for each of plurality of tint levels
US12240254B2 (en) 2023-03-02 2025-03-04 Ricoh Company, Ltd. Automatic tuning compensation mechanism
US11900187B1 (en) 2023-03-02 2024-02-13 Ricoh Company, Ltd. Automatic tuning compensation mechanism

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6412382A (en) * 1987-07-06 1989-01-17 Dainippon Printing Co Ltd Color correcting device
JPH04304775A (ja) * 1991-04-02 1992-10-28 Hitachi Ltd カラー画像信号の色修正方法
JPH05153383A (ja) * 1991-10-02 1993-06-18 Konica Corp 色変換機能付き色修正装置
JPH09326942A (ja) * 1996-06-07 1997-12-16 Canon Inc 画像処理装置及び方法
JPH1013697A (ja) * 1996-06-18 1998-01-16 Canon Inc 画像処理装置およびその方法
JP2001028690A (ja) * 1999-07-14 2001-01-30 Canon Inc 画像読取り装置、画像処理装置および画像処理方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7375849B2 (en) * 2002-10-15 2008-05-20 Xerox Corporation Balancing grays on color printers
US7319545B2 (en) * 2002-12-17 2008-01-15 Xerox Corporation Method and apparatus for calibration of a color printer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6412382A (en) * 1987-07-06 1989-01-17 Dainippon Printing Co Ltd Color correcting device
JPH04304775A (ja) * 1991-04-02 1992-10-28 Hitachi Ltd カラー画像信号の色修正方法
JPH05153383A (ja) * 1991-10-02 1993-06-18 Konica Corp 色変換機能付き色修正装置
JPH09326942A (ja) * 1996-06-07 1997-12-16 Canon Inc 画像処理装置及び方法
JPH1013697A (ja) * 1996-06-18 1998-01-16 Canon Inc 画像処理装置およびその方法
JP2001028690A (ja) * 1999-07-14 2001-01-30 Canon Inc 画像読取り装置、画像処理装置および画像処理方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006341605A (ja) * 2005-06-09 2006-12-21 Xerox Corp カラー印刷

Also Published As

Publication number Publication date
DE602005008153D1 (de) 2008-08-28
US20060061782A1 (en) 2006-03-23
BRPI0503726A (pt) 2006-05-02
EP1638313B1 (en) 2008-07-16
EP1638313A1 (en) 2006-03-22
US7394566B2 (en) 2008-07-01

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