DE60227137D1 - Systeme und Verfahren zur Erfassung eines Spektrums unter Verwendung des Verfahrens der kleinsten quadratischen Abweichungen und eines LED-Farbsensors - Google Patents

Systeme und Verfahren zur Erfassung eines Spektrums unter Verwendung des Verfahrens der kleinsten quadratischen Abweichungen und eines LED-Farbsensors

Info

Publication number
DE60227137D1
DE60227137D1 DE60227137T DE60227137T DE60227137D1 DE 60227137 D1 DE60227137 D1 DE 60227137D1 DE 60227137 T DE60227137 T DE 60227137T DE 60227137 T DE60227137 T DE 60227137T DE 60227137 D1 DE60227137 D1 DE 60227137D1
Authority
DE
Germany
Prior art keywords
acquiring
spectrum
systems
methods
color sensor
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
DE60227137T
Other languages
English (en)
Inventor
Lalit K Mestha
Sohail A Dianat
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
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE60227137D1 publication Critical patent/DE60227137D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01J3/28—Investigating the spectrum
    • 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
    • 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
    • G01J3/501—Colorimeters using spectrally-selective light sources, e.g. LEDs

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
DE60227137T 2001-08-30 2002-08-30 Systeme und Verfahren zur Erfassung eines Spektrums unter Verwendung des Verfahrens der kleinsten quadratischen Abweichungen und eines LED-Farbsensors Expired - Lifetime DE60227137D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/941,858 US6721692B2 (en) 2001-08-30 2001-08-30 Systems and methods for determining spectra using dynamic least squares algorithms with measurements from LED color sensor

Publications (1)

Publication Number Publication Date
DE60227137D1 true DE60227137D1 (de) 2008-07-31

Family

ID=25477175

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60239571T Expired - Lifetime DE60239571D1 (de) 2001-08-30 2002-08-30 Systeme und Verfahren zur Erfassung eines Spektrums unter Verwendung des Verfahrens der kleinsten quadratischen Abweichungen und eines LED-Farbsensors
DE60227137T Expired - Lifetime DE60227137D1 (de) 2001-08-30 2002-08-30 Systeme und Verfahren zur Erfassung eines Spektrums unter Verwendung des Verfahrens der kleinsten quadratischen Abweichungen und eines LED-Farbsensors

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60239571T Expired - Lifetime DE60239571D1 (de) 2001-08-30 2002-08-30 Systeme und Verfahren zur Erfassung eines Spektrums unter Verwendung des Verfahrens der kleinsten quadratischen Abweichungen und eines LED-Farbsensors

Country Status (4)

Country Link
US (1) US6721692B2 (de)
EP (2) EP1288640B1 (de)
BR (1) BR0203438B1 (de)
DE (2) DE60239571D1 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050047555A1 (en) * 2003-09-02 2005-03-03 Michael Kurth xDSL line tester
US7069164B2 (en) 2003-09-29 2006-06-27 Xerox Corporation Method for calibrating a marking system to maintain color output consistency across multiple printers
US7259857B2 (en) 2004-01-14 2007-08-21 Xerox Corporation Methods for automated uniformity assessment and modification of image non-uniformities
US7383261B2 (en) * 2004-01-16 2008-06-03 Xerox Corporation Reference database and method for determining spectra using measurements from an LED color sensor, and method of generating a reference database
US7471385B2 (en) * 2005-01-13 2008-12-30 Xerox Corporation Systems and methods for selecting a reference database for determining a spectrum of an object based on fluorescence of the object
US8014024B2 (en) 2005-03-02 2011-09-06 Xerox Corporation Gray balance for a printing system of multiple marking engines
US7555396B2 (en) * 2005-03-22 2009-06-30 Xerox Corporation Method and system to personalize sensor characterizing reference database in multiple LED spectrophotometers
US7307720B2 (en) * 2005-03-29 2007-12-11 Xerox Corporation Method for corrected spectrophotometer output for measurements on multiple substrates
US7271910B2 (en) * 2005-03-30 2007-09-18 Xerox Corporation Systems and methods for compensating for temperature induced spectral emission variations in LED based color parameter measuring devices
US7471420B2 (en) * 2005-03-31 2008-12-30 Xerox Corporation Method of uniformity correction in an electrostatographic printer by using a second actuator
EP1872102A4 (de) * 2005-04-05 2013-05-01 X Rite Inc Systeme und verfahren zur überwachung einer prozessausgabe mit einem stark verkürzten spektrophotometer
EP1875178A4 (de) * 2005-04-12 2010-05-26 X Rite Inc Systeme und verfahren zum validieren eines sicherheitsmerkmals eines objekts
US7557924B2 (en) * 2005-08-15 2009-07-07 X-Rite, Inc. Apparatus and methods for facilitating calibration of an optical instrument
EP1938063B1 (de) * 2005-08-15 2011-12-21 X-Rite Incorporated Spektrophotometer mit lichtleitelement
US7283240B2 (en) 2005-08-24 2007-10-16 Xerox Corporation Spectrophotometer target distance variation compensation
US7557923B2 (en) * 2005-09-12 2009-07-07 University Of Kentucky Research Foundation Method and system for in situ spectroscopic evaluation of an object
JP2007188128A (ja) * 2006-01-11 2007-07-26 Omron Corp カラー画像を用いた測定方法および測定装置
US7623278B2 (en) * 2006-09-26 2009-11-24 Xerox Corporation MEMS Fabry-Perot inline color scanner for printing applications using stationary membranes
US7583418B2 (en) * 2006-09-26 2009-09-01 Xerox Corporation Array based sensor to measure single separation or mixed color (or IOI) patches on the photoreceptor using MEMS based hyperspectral imaging technology
US7751734B2 (en) * 2006-09-26 2010-07-06 Xerox Corporation Color sensor to measure single separation, mixed color or IOI patches
US7589837B2 (en) * 2006-12-01 2009-09-15 Xerox Corporation Multiple tile calibration method for color sensors
US7548705B2 (en) * 2007-04-03 2009-06-16 Xerox Corporation Systems and methods for marking test patches for calibrating and/or visually confirming color accuracy of a marking device
US7684082B2 (en) * 2007-04-19 2010-03-23 Xerox Corporation Method and system for compensating for thermochromaticity differences in inline spectrophotometers
US7864320B2 (en) * 2007-04-19 2011-01-04 Xerox Corporation Method to minimize instrument differences in color management functions
EP2219870B2 (de) * 2007-12-06 2019-05-01 Windmöller & Hölscher KG Farbmanagement
US7961322B2 (en) * 2008-05-27 2011-06-14 Xerox Corporation Method for conditional application of color measurement error compensation in spectral sensors
US7773222B2 (en) * 2008-05-27 2010-08-10 Xerox Corporation UV enhanced full width array scanning spectrophotometer
US8072646B2 (en) * 2008-06-20 2011-12-06 Xerox Corporation Apparatus and method for color control of clear coated images on media
US8254000B2 (en) * 2008-10-22 2012-08-28 Xerox Corporation Matching printer custom target colors using in-line spectrophotometer
US8390882B2 (en) * 2009-08-07 2013-03-05 Xerox Corporation Systems and methods for estimating the color of coated prints
JP5736382B2 (ja) * 2009-10-19 2015-06-17 ゲーエムゲー ゲーエムベーハー ウント コー．カーゲーＧＭＧ ＧｍｂＨ ＆ Ｃｏ．ＫＧ 最適化されたプリンタ・キャリブレーション方法
WO2011126486A1 (en) * 2010-04-08 2011-10-13 Metso Automation Inc. Method of modeling the coloring process in moving web manufacturing
US8340937B2 (en) * 2010-05-11 2012-12-25 Xerox Corporation Characterization of a model-based spectral reflectance sensing device
US8520074B2 (en) 2010-12-14 2013-08-27 Xerox Corporation Determining a total number of people in an IR image obtained via an IR imaging system
US9019358B2 (en) 2011-02-08 2015-04-28 Xerox Corporation Method for classifying a pixel of a hyperspectral image in a remote sensing application
US20130262008A1 (en) * 2012-03-28 2013-10-03 Nithya Ramanathan Measurement of light-absorption qualities in the visible spectrum using a camera
US9631977B2 (en) * 2013-12-17 2017-04-25 Xerox Corporation Device calibration using augmented data with hadamard variation
CN105806484A (zh) * 2016-03-08 2016-07-27 常州千明智能照明科技有限公司 基于光谱可调led光源获取物体色设备无关响应值的方法

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3910701A (en) 1973-07-30 1975-10-07 George R Henderson Method and apparatus for measuring light reflectance absorption and or transmission
US4648051A (en) * 1984-10-15 1987-03-03 The Board Of Trustees Of The Leland Stanford Junior University Color imaging process
DE3603673A1 (de) * 1986-02-06 1987-08-13 Strahlen Umweltforsch Gmbh Verfahren zur elimination von stoerungen eines messsignals
US4980870A (en) * 1988-06-10 1990-12-25 Spivey Brett A Array compensating beamformer
US4992963A (en) * 1988-12-02 1991-02-12 Simon Fraser University Method and apparatus for determining ambient light and surface reflectance
US5107332A (en) * 1989-05-17 1992-04-21 Hewlett-Packard Company Method and system for providing closed loop color control between a scanned color image and the output of a color printer
US5082529A (en) * 1990-03-27 1992-01-21 Abb Process Automation Inc. Color measurement and control of a sheet material
US5137364A (en) 1991-01-31 1992-08-11 Mccarthy Cornelius J Optical spectral analysis apparatus
US5377000A (en) 1993-04-29 1994-12-27 Color And Appearance Technology, Inc. Portable appearance measuring apparatus
DE69421990T9 (de) * 1993-10-04 2011-05-26 Sabic Innovative Plastics Ip B.V. System für die Kontrolle der Farbe gemischter Polymere mittels kontinuierlicher Farbemessung
US5537516A (en) * 1994-03-15 1996-07-16 Electronics For Imaging, Inc. Method for calibrating a color printer using a scanner for color measurements
US5880738A (en) * 1994-08-11 1999-03-09 Canon Information Systems Research Australia Pty Ltd. Color mapping system utilizing weighted distance error measure
DE4434168B4 (de) * 1994-09-24 2004-12-30 Byk-Gardner Gmbh Vorrichtung und Verfahren zur Messung und Auswertung von spektralen Strahlungen und insbesondere zur Messung und Auswertung von Farbeigenschaften
US5671059A (en) * 1995-09-21 1997-09-23 Hewlett-Packard Company Electroluminescent color device
US5963333A (en) * 1996-09-12 1999-10-05 Color Savvy Systems Limited Color sensor
US5963244A (en) * 1996-11-21 1999-10-05 Xerox Corporation Optimal reconstruction of tone reproduction curve
US6178007B1 (en) 1997-01-21 2001-01-23 Xerox Corporation Method for continuous incremental color calibration for color document output terminals
US6263291B1 (en) * 1997-12-11 2001-07-17 Metso Paper Automation Inc. Method and apparatus for measuring color and/or composition
US6304294B1 (en) * 1999-10-15 2001-10-16 Sony Corporation Apparatus for and method of estimating the illumination of an image
US6754279B2 (en) * 1999-12-20 2004-06-22 Texas Instruments Incorporated Digital still camera system and method
US6556932B1 (en) * 2000-05-01 2003-04-29 Xerox Corporation System and method for reconstruction of spectral curves using measurements from a color sensor and a spectral measurement system model
US6449045B1 (en) * 2000-05-01 2002-09-10 Xerox Corporation System and method from reconstruction of spectral curves using measurements for a color sensor and statistical techniques
US6584435B2 (en) * 2001-08-30 2003-06-24 Xerox Corporation Systems and methods for determining spectra using dynamic karhunen-loeve algorithms with measurements from led color sensor
US6587793B2 (en) * 2001-09-17 2003-07-01 Xerox Corporation Systems and methods for determining spectra using fuzzy inference algorithms with measurements from LED color sensor

Also Published As

Publication number Publication date
US20030055611A1 (en) 2003-03-20
EP1288640A3 (de) 2004-10-20
BR0203438A (pt) 2003-05-20
BR0203438B1 (pt) 2014-11-04
EP1867968B1 (de) 2011-03-23
EP1288640A2 (de) 2003-03-05
US6721692B2 (en) 2004-04-13
EP1288640B1 (de) 2008-06-18
DE60239571D1 (de) 2011-05-05
EP1867968A1 (de) 2007-12-19

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