WO2009050973A1 - 分光特性補正装置、分光特性補正方法 - Google Patents

分光特性補正装置、分光特性補正方法 Download PDF

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Publication number
WO2009050973A1
WO2009050973A1 PCT/JP2008/066673 JP2008066673W WO2009050973A1 WO 2009050973 A1 WO2009050973 A1 WO 2009050973A1 JP 2008066673 W JP2008066673 W JP 2008066673W WO 2009050973 A1 WO2009050973 A1 WO 2009050973A1
Authority
WO
WIPO (PCT)
Prior art keywords
spectral characteristic
color signal
characteristic correction
correction
basic
Prior art date
Application number
PCT/JP2008/066673
Other languages
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
Priority to CN2008801121805A priority Critical patent/CN101828404B/zh
Priority to EP08838577A priority patent/EP2205002A4/en
Publication of WO2009050973A1 publication Critical patent/WO2009050973A1/ja
Priority to US12/760,624 priority patent/US8493463B2/en

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Classifications

    • 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
    • H04N23/843—Demosaicing, e.g. interpolating colour pixel values
    • 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
    • H04N23/125—Colour sequential image capture, e.g. using a colour wheel
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Color Television Image Signal Generators (AREA)
  • Color Image Communication Systems (AREA)
  • Processing Of Color Television Signals (AREA)
  • Image Processing (AREA)

Abstract

　複数の色信号からなるカラー信号を特徴付ける分光特性を補正する分光特性補正装置において、例えば複数色の色パッチを撮像して得られたカラー信号に基づき算出される複数の基準色に対応する基準カラー信号と、基準カラー信号に対応する所定の参照カラー信号と、に基づいて、基準カラー信号を参照カラー信号に近似する補正を行うための補正係数を算出する補正係数算出部（１０６）と、補正係数算出部（１０６）により得られた補正係数を用いて基準カラー信号を特徴付ける分光特性を補正する分光特性補正部（１０７）と、を備えた分光特性補正装置。
PCT/JP2008/066673 2007-10-19 2008-09-16 分光特性補正装置、分光特性補正方法 WO2009050973A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2008801121805A CN101828404B (zh) 2007-10-19 2008-09-16 分光特性校正装置、分光特性校正方法
EP08838577A EP2205002A4 (en) 2007-10-19 2008-09-16 SPECTRAL CHARACTERISTIC CORRECTION DEVICE AND SPECTRAL CHARACTERISTIC CORRECTION METHOD
US12/760,624 US8493463B2 (en) 2007-10-19 2010-04-15 Spectral characteristic correction apparatus, spectral characteristic correction method and recording medium on which spectral characteristic correction program is recorded

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007272951A JP5052286B2 (ja) 2007-10-19 2007-10-19 分光特性補正装置、分光特性補正方法
JP2007-272951 2007-10-19

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/760,624 Continuation US8493463B2 (en) 2007-10-19 2010-04-15 Spectral characteristic correction apparatus, spectral characteristic correction method and recording medium on which spectral characteristic correction program is recorded

Publications (1)

Publication Number Publication Date
WO2009050973A1 true WO2009050973A1 (ja) 2009-04-23

Family

ID=40567249

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066673 WO2009050973A1 (ja) 2007-10-19 2008-09-16 分光特性補正装置、分光特性補正方法

Country Status (5)

Country Link
US (1) US8493463B2 (ja)
EP (1) EP2205002A4 (ja)
JP (1) JP5052286B2 (ja)
CN (1) CN101828404B (ja)
WO (1) WO2009050973A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4804422B2 (ja) 2007-05-31 2011-11-02 オリンパス株式会社 信号処理装置、信号処理プログラム
JP5090146B2 (ja) * 2007-12-06 2012-12-05 オリンパス株式会社 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
CN103747243A (zh) * 2013-12-31 2014-04-23 深圳市华星光电技术有限公司 基于ccd相机的lcd全灰阶数据采集方法
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
WO2016046862A1 (ja) * 2014-09-22 2016-03-31 富士通株式会社 再生装置、再生方法、プログラム、及び、システム
US20240255350A1 (en) * 2021-09-03 2024-08-01 Sony Semiconductor Solutions Corporation Spectral sensitivity measuring device and spectral sensitivity measuring method

Citations (5)

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Publication number Priority date Publication date Assignee Title
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
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
JP2005117524A (ja) 2003-10-10 2005-04-28 Canon Inc 画像処理システム
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

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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
JP4468734B2 (ja) * 2004-04-27 2010-05-26 オリンパス株式会社 映像信号処理装置と映像信号処理プログラム
FI20040834A0 (fi) * 2004-06-17 2004-06-17 Petri Piirainen Menetelmä kameran ja/tai näyttölaitteen värikalibroimiseksi
US7545421B2 (en) * 2004-10-28 2009-06-09 Qualcomm Incorporated Apparatus, system, and method for optimizing gamma curves for digital image devices
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
JP4290136B2 (ja) * 2005-03-14 2009-07-01 キヤノン株式会社 色処理装置およびその方法
JP4526445B2 (ja) * 2005-06-15 2010-08-18 オリンパス株式会社 撮像装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
JP2005117524A (ja) 2003-10-10 2005-04-28 Canon Inc 画像処理システム
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2205002A4

Also Published As

Publication number Publication date
EP2205002A1 (en) 2010-07-07
CN101828404B (zh) 2012-07-18
EP2205002A4 (en) 2013-01-02
CN101828404A (zh) 2010-09-08
US8493463B2 (en) 2013-07-23
US20100201839A1 (en) 2010-08-12
JP2009105495A (ja) 2009-05-14
JP5052286B2 (ja) 2012-10-17

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