JP5605687B2 - 分光特性測定方法、分光特性測定装置及びこれを備えた画像形成装置 - Google Patents

分光特性測定方法、分光特性測定装置及びこれを備えた画像形成装置 Download PDF

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Publication number
JP5605687B2
JP5605687B2 JP2010147647A JP2010147647A JP5605687B2 JP 5605687 B2 JP5605687 B2 JP 5605687B2 JP 2010147647 A JP2010147647 A JP 2010147647A JP 2010147647 A JP2010147647 A JP 2010147647A JP 5605687 B2 JP5605687 B2 JP 5605687B2
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Prior art keywords
sensor response
light intensity
spectral
spectral characteristic
wavelength band
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JP2010147647A
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Japanese (ja)
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JP2012013437A (ja
JP2012013437A5 (enExample
Inventor
晃平 新保
直裕 上条
学 瀬尾
陽一 窪田
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Ricoh Co Ltd
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Ricoh Co Ltd
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Priority to JP2010147647A priority Critical patent/JP5605687B2/ja
Priority to EP11170204.9A priority patent/EP2403229B1/en
Priority to US13/165,205 priority patent/US8593628B2/en
Publication of JP2012013437A publication Critical patent/JP2012013437A/ja
Publication of JP2012013437A5 publication Critical patent/JP2012013437A5/ja
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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
    • H04N1/6027—Correction or control of colour gradation or colour contrast
    • 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
    • G01J3/462—Computing operations in or between colour spaces; Colour management systems
    • 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
    • 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
    • G01J3/502—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using a dispersive element, e.g. grating, prism
    • 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
    • G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Color Electrophotography (AREA)
JP2010147647A 2010-06-29 2010-06-29 分光特性測定方法、分光特性測定装置及びこれを備えた画像形成装置 Expired - Fee Related JP5605687B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010147647A JP5605687B2 (ja) 2010-06-29 2010-06-29 分光特性測定方法、分光特性測定装置及びこれを備えた画像形成装置
EP11170204.9A EP2403229B1 (en) 2010-06-29 2011-06-16 Spectral characteristics estimation device, image forming apparatus having the same, and spectral characteristics estimation method
US13/165,205 US8593628B2 (en) 2010-06-29 2011-06-21 Spectral characteristics estimation device, image forming apparatus having the same, and spectral characteristics estimation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010147647A JP5605687B2 (ja) 2010-06-29 2010-06-29 分光特性測定方法、分光特性測定装置及びこれを備えた画像形成装置

Publications (3)

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JP2012013437A JP2012013437A (ja) 2012-01-19
JP2012013437A5 JP2012013437A5 (enExample) 2013-05-16
JP5605687B2 true JP5605687B2 (ja) 2014-10-15

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US (1) US8593628B2 (enExample)
EP (1) EP2403229B1 (enExample)
JP (1) JP5605687B2 (enExample)

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JP5884347B2 (ja) 2011-09-12 2016-03-15 株式会社リコー 分光特性取得装置及び分光特性取得方法、画像評価装置、並びに画像形成装置
CN104040309B (zh) 2011-11-03 2019-06-07 威利食品有限公司 用于最终使用者食品分析的低成本光谱测定系统
JP5880053B2 (ja) 2012-01-12 2016-03-08 株式会社リコー 分光特性取得装置及び画像形成装置
JP5834938B2 (ja) 2012-01-17 2015-12-24 株式会社リコー 分光特性取得装置、画像評価装置、画像形成装置及び分光特性取得方法
JP5910989B2 (ja) 2012-03-09 2016-04-27 株式会社リコー 分光計測装置、画像評価装置及び画像形成装置
JP6051543B2 (ja) 2012-03-09 2016-12-27 株式会社リコー 分光計測装置、画像評価装置及び画像形成装置
JP6278625B2 (ja) 2012-07-30 2018-02-14 キヤノン株式会社 測色装置及びそれを備える画像形成装置
US20140213909A1 (en) * 2013-01-31 2014-07-31 Xerox Corporation Control-based inversion for estimating a biological parameter vector for a biophysics model from diffused reflectance data
DE102013103333A1 (de) * 2013-04-03 2014-10-09 Karl Storz Gmbh & Co. Kg Kamera zur Erfassung von optischen Eigenschaften und von Raumstruktureigenschaften
WO2015015493A2 (en) 2013-08-02 2015-02-05 Verifood, Ltd. Spectrometry system and method, spectroscopic devices and systems
US9631977B2 (en) * 2013-12-17 2017-04-25 Xerox Corporation Device calibration using augmented data with hadamard variation
CN106461461A (zh) 2014-01-03 2017-02-22 威利食品有限公司 光谱测定系统、方法和应用
EP3209983A4 (en) 2014-10-23 2018-06-27 Verifood Ltd. Accessories for handheld spectrometer
WO2016125164A2 (en) 2015-02-05 2016-08-11 Verifood, Ltd. Spectrometry system applications
WO2016125165A2 (en) 2015-02-05 2016-08-11 Verifood, Ltd. Spectrometry system with visible aiming beam
WO2016162865A1 (en) 2015-04-07 2016-10-13 Verifood, Ltd. Detector for spectrometry system
US10066990B2 (en) 2015-07-09 2018-09-04 Verifood, Ltd. Spatially variable filter systems and methods
US10203246B2 (en) 2015-11-20 2019-02-12 Verifood, Ltd. Systems and methods for calibration of a handheld spectrometer
US10254215B2 (en) 2016-04-07 2019-04-09 Verifood, Ltd. Spectrometry system applications
EP3488204A4 (en) 2016-07-20 2020-07-22 Verifood Ltd. ACCESSORIES FOR HANDLABLE SPECTROMETERS
US10791933B2 (en) 2016-07-27 2020-10-06 Verifood, Ltd. Spectrometry systems, methods, and applications
JP6988512B2 (ja) 2018-01-24 2022-01-05 株式会社リコー 分光特性取得装置、画像形成装置、画像形成システム
JP7095304B2 (ja) 2018-02-15 2022-07-05 株式会社リコー 分光特性取得装置、画像形成装置、画像形成システム、画像形成装置の管理システム、及び画像形成装置の管理方法
US10444074B1 (en) * 2018-03-28 2019-10-15 Datacolor Inc. Spectrum recovery in a sample
JP7087735B2 (ja) 2018-06-29 2022-06-21 株式会社リコー 分光特性取得装置、画像形成装置、及び画像形成装置の管理システム
WO2020075036A1 (en) 2018-10-08 2020-04-16 Verifood Ltd. Accessories for optical spectrometers
JP2020153814A (ja) 2019-03-20 2020-09-24 株式会社リコー 分光特性取得装置
US11340156B2 (en) * 2020-09-28 2022-05-24 Datacolor Inc. Spectrum recovery in a sample

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US5710876A (en) * 1995-05-25 1998-01-20 Silicon Graphics, Inc. Computer graphics system for rendering images using full spectral illumination data
JP2004336657A (ja) * 2003-05-12 2004-11-25 Minolta Co Ltd 分光画像撮影システムおよび分光画像撮影システムの調整方法
JP2005311581A (ja) * 2004-04-20 2005-11-04 Konica Minolta Holdings Inc 画像入力システム、変換マトリックス算出方法、及びプログラム
JP4798354B2 (ja) 2006-02-02 2011-10-19 凸版印刷株式会社 分光反射率推定方法、分光反射率推定装置および分光反射率推定プログラム
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EP2391899A4 (en) * 2009-01-30 2017-12-27 Hewlett-Packard Development Company, L.P. Method and system for determining a spectral vector from measured electromagnetic-radiation intensities

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Publication number Publication date
EP2403229B1 (en) 2017-05-10
JP2012013437A (ja) 2012-01-19
US20110317149A1 (en) 2011-12-29
US8593628B2 (en) 2013-11-26
EP2403229A1 (en) 2012-01-04

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