GB2416638B - Color calibration color value correction - Google Patents

Color calibration color value correction

Info

Publication number
GB2416638B
GB2416638B GB0519671A GB0519671A GB2416638B GB 2416638 B GB2416638 B GB 2416638B GB 0519671 A GB0519671 A GB 0519671A GB 0519671 A GB0519671 A GB 0519671A GB 2416638 B GB2416638 B GB 2416638B
Authority
GB
United Kingdom
Prior art keywords
color
value correction
calibration
color value
color calibration
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 - Fee Related
Application number
GB0519671A
Other versions
GB0519671D0 (en
GB2416638A (en
Inventor
Algird M Gudiatis
William Lester Plishker
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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
Priority claimed from US09/970,278 external-priority patent/US7286261B2/en
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of GB0519671D0 publication Critical patent/GB0519671D0/en
Publication of GB2416638A publication Critical patent/GB2416638A/en
Application granted granted Critical
Publication of GB2416638B publication Critical patent/GB2416638B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01J3/52—Measurement of colour; Colour measuring devices, e.g. colorimeters using colour charts
    • 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
    • G01J3/52—Measurement of colour; Colour measuring devices, e.g. colorimeters using colour charts
    • G01J3/524—Calibration of colorimeters
    • 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
    • H04N1/40006—Compensating for the effects of ageing, i.e. changes over time
    • 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
    • H04N1/603—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer
    • H04N1/6033—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer using test pattern analysis
    • 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
    • H04N1/6083—Colour correction or control controlled by factors external to the apparatus
    • H04N1/6088—Colour correction or control controlled by factors external to the apparatus by viewing conditions, i.e. conditions at picture output

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
GB0519671A 2001-10-02 2002-09-24 Color calibration color value correction Expired - Fee Related GB2416638B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/970,278 US7286261B2 (en) 2001-10-02 2001-10-02 Color calibration color value correction
GB0222163A GB2381984B (en) 2001-10-02 2002-09-24 Color calibration color value correction

Publications (3)

Publication Number Publication Date
GB0519671D0 GB0519671D0 (en) 2005-11-02
GB2416638A GB2416638A (en) 2006-02-01
GB2416638B true GB2416638B (en) 2006-03-22

Family

ID=35613770

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0519671A Expired - Fee Related GB2416638B (en) 2001-10-02 2002-09-24 Color calibration color value correction

Country Status (1)

Country Link
GB (1) GB2416638B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6157469A (en) * 1998-05-22 2000-12-05 Xerox Corporation Dynamic device independent image correction method and apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6157469A (en) * 1998-05-22 2000-12-05 Xerox Corporation Dynamic device independent image correction method and apparatus

Also Published As

Publication number Publication date
GB0519671D0 (en) 2005-11-02
GB2416638A (en) 2006-02-01

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120329 AND 20120404

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140924