WO2009072543A1 - 色変換係数算出装置、色変換係数算出プログラム、色変換係数算出方法 - Google Patents

色変換係数算出装置、色変換係数算出プログラム、色変換係数算出方法 Download PDF

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Publication number
WO2009072543A1
WO2009072543A1 PCT/JP2008/072017 JP2008072017W WO2009072543A1 WO 2009072543 A1 WO2009072543 A1 WO 2009072543A1 JP 2008072017 W JP2008072017 W JP 2008072017W WO 2009072543 A1 WO2009072543 A1 WO 2009072543A1
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WO
WIPO (PCT)
Prior art keywords
conversion coefficient
color conversion
coefficient calculation
color
color signal
Prior art date
Application number
PCT/JP2008/072017
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English (en)
French (fr)
Inventor
Hiroshi Suzuki
Original Assignee
Olympus Corporation
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 Olympus Corporation filed Critical Olympus Corporation
Publication of WO2009072543A1 publication Critical patent/WO2009072543A1/ja
Priority to US12/791,124 priority Critical patent/US8174585B2/en

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Classifications

    • 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
    • H04N1/603—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer
    • H04N1/6052—Matching two or more picture signal generators or two or more picture reproducers
    • H04N1/6055—Matching two or more picture signal generators or two or more picture reproducers using test pattern analysis
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/134—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on three different wavelength filter elements

Abstract

　複数の色信号からなる第１のカラー信号を複数の色信号からなる第２のカラー信号に変換するための色変換係数として、第１のカラー信号を標準的に特徴付ける第１の分光特性を、第２のカラー信号を特徴付ける第２の分光特性に変換するための色変換係数を算出する変換係数算出部（１０８）と、複数の基準色に対応する第１のカラー信号である基準カラー信号を複数の基準色に対応して第１の分光特性に基づき得られる参照カラー信号に近似するための補正係数を算出する補正係数算出部（１０６）と、色変換係数を補正係数を用いて補正する変換係数補正部（１０９）と、を備えた色変換係数算出装置。
PCT/JP2008/072017 2007-12-06 2008-12-04 色変換係数算出装置、色変換係数算出プログラム、色変換係数算出方法 WO2009072543A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/791,124 US8174585B2 (en) 2007-12-06 2010-06-01 Color conversion coefficient calculation apparatus, computer readable recording medium for recording color conversion coefficient calculation program, and color conversion coefficient calculation method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-316123 2007-12-06
JP2007316123A JP5090146B2 (ja) 2007-12-06 2007-12-06 色変換係数算出装置、色変換係数算出プログラム、色変換係数算出方法

Related Child Applications (1)

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US12/791,124 Continuation US8174585B2 (en) 2007-12-06 2010-06-01 Color conversion coefficient calculation apparatus, computer readable recording medium for recording color conversion coefficient calculation program, and color conversion coefficient calculation method

Publications (1)

Publication Number Publication Date
WO2009072543A1 true WO2009072543A1 (ja) 2009-06-11

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US (1) US8174585B2 (ja)
JP (1) JP5090146B2 (ja)
WO (1) WO2009072543A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011078631A1 (de) * 2011-07-05 2013-01-10 Robert Bosch Gmbh Anordnung und Verfahren zum Bestimmen einer Abbildungsabweichung einer Kamera
JP6427926B2 (ja) * 2014-04-11 2018-11-28 株式会社シグマ 色再現補正方法、色再現補正装置及び撮像装置
WO2017168477A1 (ja) 2016-03-28 2017-10-05 パナソニックＩｐマネジメント株式会社 撮像装置および画像処理方法
KR102581850B1 (ko) * 2016-11-30 2023-09-22 엘지디스플레이 주식회사 표시 패널의 보상 데이터 생성 방법 및 장치
WO2018143116A1 (ja) * 2017-02-03 2018-08-09 コニカミノルタ株式会社 カラーフィルター方式の色彩輝度計を校正する方法およびカラーフィルター方式の色彩輝度計
JP2020005053A (ja) * 2018-06-26 2020-01-09 ソニーセミコンダクタソリューションズ株式会社 イメージセンサの分光感度測定方法、分光感度測定装置の検査方法及び分光感度測定装置
CN114449137A (zh) * 2020-11-02 2022-05-06 北京小米移动软件有限公司 滤光片结构、拍摄方法、装置、终端及存储介质
WO2023032256A1 (ja) * 2021-09-03 2023-03-09 ソニーセミコンダクタソリューションズ株式会社 分光感度測定装置及び分光感度測定方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003134536A (ja) * 2001-10-19 2003-05-09 Minolta Co Ltd 色補正システム、色補正データ作成システム、およびプログラム
JP2005303704A (ja) * 2004-04-13 2005-10-27 Mitsubishi Electric Corp 撮像装置、カメラ、及び信号処理方法
JP2006211369A (ja) * 2005-01-28 2006-08-10 Pentax Corp 色変換マトリクス算出方法および画像信号処理装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5668596A (en) * 1996-02-29 1997-09-16 Eastman Kodak Company Digital imaging device optimized for color performance
KR100240070B1 (en) * 1997-07-10 2000-01-15 Samsung Electronics Co Ltd Apparatus and method for color calibration in image system
JP3843170B2 (ja) * 1997-08-25 2006-11-08 富士写真フイルム株式会社 カラーコレクション関数設定方法
JP4076248B2 (ja) * 1997-09-09 2008-04-16 オリンパス株式会社 色再現装置
US6542185B1 (en) * 1998-01-07 2003-04-01 Intel Corporation Method and apparatus for automated optimization of white and color balance on video camera
US7570282B1 (en) * 1998-12-09 2009-08-04 Aptina Imaging Corporation Color correction of multiple colors using a calibrated technique
JP2001358960A (ja) 2000-04-14 2001-12-26 Fuji Photo Film Co Ltd 色変換係数導出方法、色変換方法、記録媒体および色変換装置
JP4534340B2 (ja) * 2000-10-31 2010-09-01 ソニー株式会社 色再現補正装置
DE10208285A1 (de) * 2002-02-26 2003-09-18 Koenig & Bauer Ag Verfahren zur Korrektur der Bilddaten eines Kamerasystems
US7586642B2 (en) * 2003-07-25 2009-09-08 Hoya Corporation Color-space transformation-matrix calculating system and calculating method
JP2005079834A (ja) * 2003-08-29 2005-03-24 Pentax Corp 色変換マトリクス算出方法および画像信号処理装置
JP2005117524A (ja) 2003-10-10 2005-04-28 Canon Inc 画像処理システム
US8705151B2 (en) * 2004-04-05 2014-04-22 Hewlett-Packard Development Company, L.P. Imaging device calibration methods, imaging device calibration instruments, imaging devices, and articles of manufacture
US8587849B2 (en) * 2004-04-05 2013-11-19 Hewlett-Packard Development Company, L.P. Imaging systems, imaging device analysis systems, imaging device analysis methods, and light beam emission methods
JP4501634B2 (ja) * 2004-10-29 2010-07-14 富士フイルム株式会社 マトリクス係数決定方法及び画像入力装置
JP4837365B2 (ja) * 2005-11-16 2011-12-14 オリンパス株式会社 画像処理システム、画像処理プログラム
US7586521B2 (en) * 2006-01-27 2009-09-08 Nethra Imaging Inc. Automatic color calibration of an image sensor
US7800698B2 (en) * 2006-04-27 2010-09-21 Qualcomm Incorporated Weight adjustment in color correction
US7675551B1 (en) * 2006-05-22 2010-03-09 Texas Instruments Incorporated Method and apparatus obtaining color values for a digital camera
US20080007565A1 (en) * 2006-07-03 2008-01-10 Shinichi Nogawa Color correction circuit, driving device, and display device
US7737989B2 (en) * 2006-10-27 2010-06-15 Texas Instruments Incorporated System and method for computing color correction coefficients
JP5052286B2 (ja) * 2007-10-19 2012-10-17 オリンパス株式会社 分光特性補正装置、分光特性補正方法
US20090147098A1 (en) * 2007-12-10 2009-06-11 Omnivision Technologies, Inc. Image sensor apparatus and method for color correction with an illuminant-dependent color correction matrix

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003134536A (ja) * 2001-10-19 2003-05-09 Minolta Co Ltd 色補正システム、色補正データ作成システム、およびプログラム
JP2005303704A (ja) * 2004-04-13 2005-10-27 Mitsubishi Electric Corp 撮像装置、カメラ、及び信号処理方法
JP2006211369A (ja) * 2005-01-28 2006-08-10 Pentax Corp 色変換マトリクス算出方法および画像信号処理装置

Also Published As

Publication number Publication date
US20100238329A1 (en) 2010-09-23
JP5090146B2 (ja) 2012-12-05
JP2009141684A (ja) 2009-06-25
US8174585B2 (en) 2012-05-08

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