KR20080096469A - 정보 처리 장치 및 방법 - Google Patents
정보 처리 장치 및 방법 Download PDFInfo
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- KR20080096469A KR20080096469A KR1020080038887A KR20080038887A KR20080096469A KR 20080096469 A KR20080096469 A KR 20080096469A KR 1020080038887 A KR1020080038887 A KR 1020080038887A KR 20080038887 A KR20080038887 A KR 20080038887A KR 20080096469 A KR20080096469 A KR 20080096469A
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- ambient light
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000010365 information processing Effects 0.000 title claims abstract description 14
- 230000003595 spectral effect Effects 0.000 claims abstract description 113
- 238000010606 normalization Methods 0.000 claims abstract description 10
- 230000007613 environmental effect Effects 0.000 claims description 40
- 238000004611 spectroscopical analysis Methods 0.000 claims description 22
- 238000012545 processing Methods 0.000 abstract description 15
- 238000013500 data storage Methods 0.000 abstract description 12
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000004364 calculation method Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 34
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 6
- 239000003086 colorant Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control
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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
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter 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
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4204—Photometry, e.g. photographic exposure meter using electric radiation detectors with determination of ambient light
-
- 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
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Spectrometry And Color Measurement (AREA)
- Radiation Pyrometers (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
Description
Claims (8)
- 추정되어야 할 환경 광의 분광 데이터를 취득하도록 구성된 유닛;복수의 참조 환경 광 조건의 분광 데이터 및 환경 광 종류 정보를 수신하도록 구성된 유닛;상기 추정되어야 할 환경 광의 분광 데이터와 상기 복수의 참조 환경 광 조건의 분광 데이터를 비교하도록 구성된 비교 유닛; 및상기 비교 유닛에 의해 제공된 비교 결과에 기초하여 상기 참조 환경 광의 환경 광 종류 정보로부터 상기 추정되어야 할 환경 광의 분광 데이터의 환경 광 종류를 추정하도록 구성된 추정 유닛을 포함하는 정보 처리 장치.
- 제1항에 있어서,상기 추정되어야 할 환경 광의 분광 데이터를 정규화하도록 구성된 정규화 유닛을 더 포함하고,상기 복수의 참조 환경 광 조건의 분광 데이터는 정규화된 데이터를 포함하는 정보 처리 장치.
- 제1항에 있어서,상기 비교 유닛은 상기 추정되어야 할 환경 광의 분광 데이터와 상기 복수의 참조 환경 광 조건의 각각의 분광 데이터 사이의 오차를 산출하는 정보 처리 장치.
- 제3항에 있어서,상기 비교 유닛은 컬러 매칭 함수에 대응하는 가중 함수를 사용하여 제곱 오차를 산출하는 정보 처리 장치.
- 제3항에 있어서,상기 추정 유닛은 상기 오차를 임계값과 비교하고, 그 비교 결과에 기초하여, 상기 추정되어야 할 환경 광이 상기 복수의 참조 환경 광의 환경 광 종류와 일치하는지를 판정하고, 상기 추정되어야 할 환경 광이 상기 복수의 참조 환경 광 조건의 환경 광 종류와 일치하지 않는다고 판정되면 부적합을 나타내는 추정 결과를 출력하는 정보 처리 장치.
- 제1항에 있어서,상기 추정되어야 할 환경 광의 분광 데이터로부터 색온도를 산출하도록 구성된 산출 유닛을 더 포함하는 정보 처리 장치.
- 컴퓨터가 제1항에 따른 정보 처리 장치를 구현하게 하는 프로그램을 저장한 컴퓨터 판독가능한 기억 매체.
- 추정되어야 할 환경 광의 분광 데이터를 취득하는 단계;복수의 참조 환경 광 조건의 분광 데이터 및 환경 광 종류 정보를 수신하는 단계;상기 추정되어야 할 환경 광의 분광 데이터를 상기 복수의 참조 환경 광 조건의 분광 데이터와 비교하는 단계; 및상기 비교의 결과에 기초하여 상기 참조 환경 광의 환경 광 종류 정보로부터 상기 추정되어야 할 환경 광의 분광 데이터의 환경 광 종류를 추정하는 단계를 포함하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007117033A JP5196840B2 (ja) | 2007-04-26 | 2007-04-26 | 情報処理装置および方法 |
JPJP-P-2007-00117033 | 2007-04-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080096469A true KR20080096469A (ko) | 2008-10-30 |
KR101010460B1 KR101010460B1 (ko) | 2011-01-21 |
Family
ID=39616557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080038887A KR101010460B1 (ko) | 2007-04-26 | 2008-04-25 | 정보 처리 장치 및 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7812954B2 (ko) |
EP (1) | EP1985981A3 (ko) |
JP (1) | JP5196840B2 (ko) |
KR (1) | KR101010460B1 (ko) |
CN (2) | CN102231786B (ko) |
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2007
- 2007-04-26 JP JP2007117033A patent/JP5196840B2/ja active Active
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2008
- 2008-04-24 US US12/109,209 patent/US7812954B2/en active Active
- 2008-04-25 EP EP08155172A patent/EP1985981A3/en not_active Withdrawn
- 2008-04-25 KR KR1020080038887A patent/KR101010460B1/ko active IP Right Grant
- 2008-04-28 CN CN201110175765.5A patent/CN102231786B/zh active Active
- 2008-04-28 CN CN2008100934735A patent/CN101296302B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP1985981A3 (en) | 2010-07-07 |
CN101296302B (zh) | 2011-11-09 |
CN102231786B (zh) | 2015-05-27 |
US7812954B2 (en) | 2010-10-12 |
US20080266554A1 (en) | 2008-10-30 |
CN102231786A (zh) | 2011-11-02 |
KR101010460B1 (ko) | 2011-01-21 |
EP1985981A2 (en) | 2008-10-29 |
CN101296302A (zh) | 2008-10-29 |
JP5196840B2 (ja) | 2013-05-15 |
JP2008275374A (ja) | 2008-11-13 |
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