CA3143773A1 - Method and system for quantifying a spectral similarity between a sample color and a target color - Google Patents

Method and system for quantifying a spectral similarity between a sample color and a target color Download PDF

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Publication number
CA3143773A1
CA3143773A1 CA3143773A CA3143773A CA3143773A1 CA 3143773 A1 CA3143773 A1 CA 3143773A1 CA 3143773 A CA3143773 A CA 3143773A CA 3143773 A CA3143773 A CA 3143773A CA 3143773 A1 CA3143773 A1 CA 3143773A1
Authority
CA
Canada
Prior art keywords
values
coating
normalized
reflectance
wavelength
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
CA3143773A
Other languages
English (en)
French (fr)
Inventor
Guido BISCHOFF
Florian STEUFMEHL
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.)
BASF Coatings GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA3143773A1 publication Critical patent/CA3143773A1/en
Pending 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
    • G01J3/463—Colour matching
    • 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
    • G01J3/504—Goniometric colour measurements, for example measurements of metallic or flake based paints
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/56—Extraction of image or video features relating to colour
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/60—Extraction of image or video features relating to illumination properties, e.g. using a reflectance or lighting model
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Software Systems (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA3143773A 2019-08-06 2020-08-01 Method and system for quantifying a spectral similarity between a sample color and a target color Pending CA3143773A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19190388 2019-08-06
EP19190388.9 2019-08-06
PCT/EP2020/071750 WO2021023684A1 (en) 2019-08-06 2020-08-01 Method and system for quantifying a spectral similarity between a sample color and a target color

Publications (1)

Publication Number Publication Date
CA3143773A1 true CA3143773A1 (en) 2021-02-11

Family

ID=67551215

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3143773A Pending CA3143773A1 (en) 2019-08-06 2020-08-01 Method and system for quantifying a spectral similarity between a sample color and a target color

Country Status (8)

Country Link
US (1) US12140479B2 (enExample)
EP (1) EP4010671B1 (enExample)
JP (1) JP7383793B2 (enExample)
CN (1) CN114174784B (enExample)
AU (1) AU2020326153B2 (enExample)
CA (1) CA3143773A1 (enExample)
MX (1) MX2022001503A (enExample)
WO (1) WO2021023684A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114581537A (zh) * 2022-03-02 2022-06-03 红塔烟草(集团)有限责任公司 一种初烤烟颜色的识别方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115078301B (zh) * 2022-06-30 2025-03-18 上海中医药大学 一种利用太赫兹频域光谱快速鉴别林下山参和园参的方法
JP2025005233A (ja) * 2023-06-27 2025-01-16 キヤノン株式会社 画像処理装置、制御方法、プログラムおよびカラーチャート

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5841421A (en) * 1995-12-18 1998-11-24 General Electric Company Method and system for selecting a previous color match from a set of previous color matches that best matches a color standard
US6342952B1 (en) 1999-10-11 2002-01-29 Flint Ink Corporation Method for matching printing ink colors
US6772151B1 (en) 2000-06-16 2004-08-03 Polyone Corporation Color matching system and method
US6870614B2 (en) 2002-05-30 2005-03-22 General Electric Company Method, system and computer product for formulating a bi-directional color match
US8692991B2 (en) * 2012-02-03 2014-04-08 Ppg Industries Ohio, Inc. Optimal tint identifier/selector
DE112014000995B4 (de) * 2013-02-26 2026-05-21 Axalta Coating Systems Gmbh Verfahren zum In-Übereinstimmung-Bringen von Farbe und Aussehen von Beschichtungen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114581537A (zh) * 2022-03-02 2022-06-03 红塔烟草(集团)有限责任公司 一种初烤烟颜色的识别方法
CN114581537B (zh) * 2022-03-02 2025-01-07 红塔烟草(集团)有限责任公司 一种初烤烟颜色的识别方法

Also Published As

Publication number Publication date
CN114174784A (zh) 2022-03-11
MX2022001503A (es) 2022-03-17
JP7383793B2 (ja) 2023-11-20
EP4010671C0 (en) 2025-06-04
WO2021023684A1 (en) 2021-02-11
EP4010671B1 (en) 2025-06-04
AU2020326153A1 (en) 2022-02-24
AU2020326153B2 (en) 2025-07-31
US20220283031A1 (en) 2022-09-08
US12140479B2 (en) 2024-11-12
JP2022543846A (ja) 2022-10-14
CN114174784B (zh) 2025-09-12
EP4010671A1 (en) 2022-06-15

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