KR100748844B1 - 전자 촬상 장치에 의한 색 매칭 방법 - Google Patents
전자 촬상 장치에 의한 색 매칭 방법 Download PDFInfo
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- KR100748844B1 KR100748844B1 KR1020027003729A KR20027003729A KR100748844B1 KR 100748844 B1 KR100748844 B1 KR 100748844B1 KR 1020027003729 A KR1020027003729 A KR 1020027003729A KR 20027003729 A KR20027003729 A KR 20027003729A KR 100748844 B1 KR100748844 B1 KR 100748844B1
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000003384 imaging method Methods 0.000 title claims abstract description 57
- 238000013178 mathematical model Methods 0.000 claims abstract description 14
- 238000012937 correction Methods 0.000 claims description 52
- 239000003086 colorant Substances 0.000 claims description 45
- 238000005259 measurement Methods 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 11
- 239000003973 paint Substances 0.000 description 19
- 238000004364 calculation method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000000049 pigment Substances 0.000 description 7
- 230000003595 spectral effect Effects 0.000 description 5
- 238000012417 linear regression Methods 0.000 description 4
- 241001479434 Agfa Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000701 chemical imaging Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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Classifications
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
- G01D1/14—Measuring arrangements giving results other than momentary value of variable, of general application giving a distribution function of a value, i.e. number of times the value comes within specified ranges of amplitude
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- 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
-
- 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
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- 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
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
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- 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
- G01J2003/466—Coded colour; Recognition of predetermined colour; Determining proximity to predetermined colour
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10024—Color image
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Spectrometry And Color Measurement (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
Abstract
Description
Claims (13)
- 전자 촬상 장치로 측정된 선택 색을 매칭하기 위해 색 처방(colour formula)을 결정하는 방법으로서,하기 단계들 (a) 내지 (e)를 포함하는 것을 특징으로 하는 색 처방 방법:(a) 각각의 비색 데이타(colorimetric data)가 공지되어 있는 2개 이상의 보정 색(calibration colour)의 색 신호를 측정함으로써 전자 촬상 장치를 보정하는 단계;(b) 상기 (a) 단계와 동시에 또는 그 다음 단계에서, 전자 촬상 장치를 사용하여 선택 색을 측정하는 단계;(c) 수학적 모델을 사용하여, 보정 색의 측정된 색 신호를 공지된 비색 데이타로 변환하기 위한 매개변수를 계산하는 단계;(d) 수학적 모델 및 계산된 매개변수를 사용하여, 측정된 선택 색의 색 신호를 비색 데이타로 변환시키는 단계; 및(e) 측정된 선택 색의 계산된 비색 데이타와 가장 가깝게 매칭되는 비색 데이타를 가지는 색 처방을 데이타뱅크를 사용하여 결정하는 단계.
- 제 1 항에 있어서,상기 보정 색이 비색 색 공간(colorimetric colour space) 전반에 걸쳐 분포되는 것을 특징으로 하는 색 처방 방법.
- 제 1 항에 있어서,상기 보정 색이 선택 색의 부근에 분포되는 것을 특징으로 하는 색 처방 방법.
- 제 1 항에 있어서,모델 매개변수를 계산할 때 상기 선택 색의 부근에서의 보정 색은 더 큰 가중치를 주는 것을 특징으로 하는 색 처방 방법.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,상기 전자 촬상 장치는 평판 스캐너(flatbed scanner)인 것을 특징으로 하는 색 처방 방법.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,상기 전자 촬상 장치는 디지털 카메라인 것을 특징으로 하는 색 처방 방법.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,상기 보정 색 및 선택 색의 측정이 동시에 실시되는 것을 특징으로 하는 색 처방 방법.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,선택 색의 기록으로부터 텍스쳐 매개변수가 계산되고, 측정된 선택 색의 계산된 텍스쳐 매개변수와 가장 가깝게 매치되는 텍스쳐 매개변수를 갖는 색 처방이 데이타뱅크를 이용하여 결정되는 것을 특징으로 하는 색 처방 방법.
- 제 8 항에 있어서,룰러(ruler)를 보정 패턴(calibration pattern)에 제공하는 것을 특징으로 하는 색 처방 방법.
- 선택된 물질의 선택 색 및/또는 텍스쳐를 매칭하기 위한 텍스쳐 및/또는 색 처방을 결정하는 방법으로서,하기 단계 (a) 내지 (c)를 포함하는 것을 특징으로 하는 색 처방 방법:(a) 선택된 물질의 색을 분광광도계(spectrophotometer) 또는 삼자극치계(tri-stimulus meter)를 사용하여 측정하는 단계;(b) 선택된 물질의 텍스쳐를 전자 촬상 장치를 사용하여 측정하는 단계; 및(c) 측정된 색 및 텍스쳐 데이타를 사용하여, 선택된 물질의 비색 데이타 및 텍스쳐 데이타에 가장 잘 매치되는 비색 데이타 및 텍스쳐 데이타를 갖는 텍스쳐 및/또는 색 처방을 데이타뱅크에서 결정하는 단계.
- 제 1 항 내지 제 4 항, 및 제 10 항 중 어느 한 항에 있어서,상기 방법을 자동차 수리 산업에서 실시하는 것을 특징으로 하는 색 처방 방법.
- 제 1 항 내지 제 4 항 및 제 10 항 중 어느 한 항에 있어서,전자 촬상 장치에 의한 선택 색의 기록 중에 추가의 정보를 제공하는 것을 특징으로 하는 색 처방 방법.
- 삭제
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP99203244.1 | 1999-10-05 | ||
EP99203244 | 1999-10-05 |
Publications (2)
Publication Number | Publication Date |
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KR20020036856A KR20020036856A (ko) | 2002-05-16 |
KR100748844B1 true KR100748844B1 (ko) | 2007-08-13 |
Family
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Application Number | Title | Priority Date | Filing Date |
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KR1020027003729A KR100748844B1 (ko) | 1999-10-05 | 2000-10-04 | 전자 촬상 장치에 의한 색 매칭 방법 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6768814B1 (ko) |
EP (1) | EP1218706A1 (ko) |
JP (1) | JP2003511662A (ko) |
KR (1) | KR100748844B1 (ko) |
CN (1) | CN1189726C (ko) |
AU (1) | AU770821B2 (ko) |
BR (1) | BR0014467A (ko) |
RU (1) | RU2251084C2 (ko) |
WO (1) | WO2001025737A1 (ko) |
ZA (1) | ZA200202650B (ko) |
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DE10163596C1 (de) * | 2001-12-21 | 2003-09-18 | Rehau Ag & Co | Verfahren zur mobilen On- und Offlinekontrolle farbiger und hochglänzender Automobilteiloberflächen |
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KR101162078B1 (ko) | 2004-09-17 | 2012-07-03 | 아크조노벨코팅스인터내셔널비.브이. | 페인트 매칭 방법 |
ITPI20040075A1 (it) * | 2004-10-13 | 2005-01-13 | Antonio Maccari | Sistema di validazione della misura spettrale in un sistema di misura spettrometrica |
JP2008523404A (ja) | 2004-12-14 | 2008-07-03 | アクゾ ノーベル コーティングス インターナショナル ビー ヴィ | 塗膜の粗さの測定方法および測定装置 |
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US8532371B2 (en) * | 2010-10-04 | 2013-09-10 | Datacolor Holding Ag | Method and apparatus for evaluating color in an image |
RU2477843C2 (ru) * | 2011-03-09 | 2013-03-20 | Ирина Александровна Со | Способ и устройство для измерения цветовых различий (варианты) |
US8872923B2 (en) | 2013-02-20 | 2014-10-28 | Hewlett-Packard Development Company, L.P. | Color calibration chart acquisition |
EP3162044B1 (en) * | 2014-06-25 | 2021-11-24 | Swimc Llc | Digital system and method for paint color matching |
CN105092040A (zh) * | 2015-08-31 | 2015-11-25 | 陕西科技大学 | 一种新型颜色测量***及其测量方法 |
US10613727B2 (en) | 2016-02-19 | 2020-04-07 | Ppg Industries Ohio, Inc. | Color and texture match ratings for optimal match selection |
CN106052877B (zh) * | 2016-05-25 | 2018-01-19 | 敦煌研究院 | 壁画绘画材料多光谱图像色彩标准色卡及其制作方法 |
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2000
- 2000-10-04 RU RU2002111565/28A patent/RU2251084C2/ru active
- 2000-10-04 WO PCT/EP2000/009758 patent/WO2001025737A1/en not_active Application Discontinuation
- 2000-10-04 BR BR0014467-3A patent/BR0014467A/pt not_active Application Discontinuation
- 2000-10-04 AU AU75251/00A patent/AU770821B2/en not_active Expired
- 2000-10-04 CN CNB008139148A patent/CN1189726C/zh not_active Expired - Lifetime
- 2000-10-04 EP EP00964276A patent/EP1218706A1/en not_active Ceased
- 2000-10-04 JP JP2001528654A patent/JP2003511662A/ja active Pending
- 2000-10-04 KR KR1020027003729A patent/KR100748844B1/ko active IP Right Grant
- 2000-10-05 US US09/680,089 patent/US6768814B1/en not_active Expired - Lifetime
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2002
- 2002-04-04 ZA ZA200202650A patent/ZA200202650B/xx unknown
Patent Citations (3)
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JPH0652534A (ja) * | 1992-07-30 | 1994-02-25 | Mitsumi Electric Co Ltd | 磁気ヘッド及びその製造方法 |
US5809165A (en) | 1993-03-28 | 1998-09-15 | Massen; Robert | Method for color control in the production process |
US5850472A (en) | 1995-09-22 | 1998-12-15 | Color And Appearance Technology, Inc. | Colorimetric imaging system for measuring color and appearance |
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JP2003511662A (ja) | 2003-03-25 |
AU7525100A (en) | 2001-05-10 |
RU2251084C2 (ru) | 2005-04-27 |
KR20020036856A (ko) | 2002-05-16 |
RU2002111565A (ru) | 2004-02-10 |
WO2001025737A1 (en) | 2001-04-12 |
CN1189726C (zh) | 2005-02-16 |
CN1378643A (zh) | 2002-11-06 |
US6768814B1 (en) | 2004-07-27 |
ZA200202650B (en) | 2003-09-23 |
EP1218706A1 (en) | 2002-07-03 |
AU770821B2 (en) | 2004-03-04 |
BR0014467A (pt) | 2002-06-11 |
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