WO2009057478A1 - 画像処理装置、画像処理方法、及び撮像装置 - Google Patents

画像処理装置、画像処理方法、及び撮像装置 Download PDF

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Publication number
WO2009057478A1
WO2009057478A1 PCT/JP2008/069023 JP2008069023W WO2009057478A1 WO 2009057478 A1 WO2009057478 A1 WO 2009057478A1 JP 2008069023 W JP2008069023 W JP 2008069023W WO 2009057478 A1 WO2009057478 A1 WO 2009057478A1
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WO
WIPO (PCT)
Prior art keywords
section
image processing
image data
dynamic range
range compression
Prior art date
Application number
PCT/JP2008/069023
Other languages
English (en)
French (fr)
Inventor
Koichi Kamon
Tetsuya Katagiri
Naoki Uchikawa
Original Assignee
Konica Minolta Opto, Inc.
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 Konica Minolta Opto, Inc. filed Critical Konica Minolta Opto, Inc.
Priority to JP2009539016A priority Critical patent/JP5282306B2/ja
Publication of WO2009057478A1 publication Critical patent/WO2009057478A1/ja

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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
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image 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
    • H04N23/82—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction
    • H04N23/83—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction specially adapted for 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)

Abstract

第１特性変換部１１０は、撮像センサ３から出力される画像データの光電変換特性を、圧縮部１２０によるダイナミックレンジ圧縮処理に適した所定の光電変換特性に変換し、対数画像データ（Ｖ１）を生成する。露出補正部１３０は、対数画像データ（Ｖ１）の露出レベルを補正する。ダイナミックレンジ圧縮部１４０は、対数画像データ（Ｖ１）にダイナミックレンジ圧縮処理を実行する。第２特性変換部１５０は、ダイナミックレンジ圧縮部１４０によりダイナミックレンジ圧縮処理がなされた対数画像データ（Ｖ３）の光電変換特性を、後段に接続された処理部１６０による処理に適した所定の光電変換特性に変換する。
PCT/JP2008/069023 2007-11-01 2008-10-21 画像処理装置、画像処理方法、及び撮像装置 WO2009057478A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009539016A JP5282306B2 (ja) 2007-11-01 2008-10-21 画像処理装置、画像処理方法、及び撮像装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-285425 2007-11-01
JP2007285425 2007-11-01

Publications (1)

Publication Number Publication Date
WO2009057478A1 true WO2009057478A1 (ja) 2009-05-07

Family

ID=40590870

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/069023 WO2009057478A1 (ja) 2007-11-01 2008-10-21 画像処理装置、画像処理方法、及び撮像装置

Country Status (2)

Country Link
JP (1) JP5282306B2 (ja)
WO (1) WO2009057478A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012134779A (ja) * 2010-12-22 2012-07-12 Hitachi Consumer Electronics Co Ltd 画像信号処理装置
WO2014129319A1 (ja) * 2013-02-21 2014-08-28 クラリオン株式会社 撮像装置
WO2014181743A1 (ja) * 2013-05-07 2014-11-13 株式会社デンソー 画像処理装置及び画像処理方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03224372A (ja) * 1989-12-22 1991-10-03 Olympus Optical Co Ltd 電子カメラ
JPH11239295A (ja) * 1998-02-24 1999-08-31 Sony Corp ビデオカメラの露出補正装置
JP2005136715A (ja) * 2003-10-30 2005-05-26 Seiko Epson Corp 露出制御装置および露出制御方法
JP2006319870A (ja) * 2005-05-16 2006-11-24 Fujifilm Holdings Corp 撮影装置および方法並びにプログラム
JP2006333113A (ja) * 2005-05-26 2006-12-07 Konica Minolta Holdings Inc 撮像装置
JP2007082181A (ja) * 2005-08-16 2007-03-29 Konica Minolta Holdings Inc 撮像装置及び画像処理方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3551857B2 (ja) * 1999-09-09 2004-08-11 日本電気株式会社 高ダイナミックレンジ画像処理装置および方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03224372A (ja) * 1989-12-22 1991-10-03 Olympus Optical Co Ltd 電子カメラ
JPH11239295A (ja) * 1998-02-24 1999-08-31 Sony Corp ビデオカメラの露出補正装置
JP2005136715A (ja) * 2003-10-30 2005-05-26 Seiko Epson Corp 露出制御装置および露出制御方法
JP2006319870A (ja) * 2005-05-16 2006-11-24 Fujifilm Holdings Corp 撮影装置および方法並びにプログラム
JP2006333113A (ja) * 2005-05-26 2006-12-07 Konica Minolta Holdings Inc 撮像装置
JP2007082181A (ja) * 2005-08-16 2007-03-29 Konica Minolta Holdings Inc 撮像装置及び画像処理方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012134779A (ja) * 2010-12-22 2012-07-12 Hitachi Consumer Electronics Co Ltd 画像信号処理装置
WO2014129319A1 (ja) * 2013-02-21 2014-08-28 クラリオン株式会社 撮像装置
JP2014165528A (ja) * 2013-02-21 2014-09-08 Clarion Co Ltd 撮像装置
US9906766B2 (en) 2013-02-21 2018-02-27 Clarion Co., Ltd. Imaging device
WO2014181743A1 (ja) * 2013-05-07 2014-11-13 株式会社デンソー 画像処理装置及び画像処理方法
JP2014219790A (ja) * 2013-05-07 2014-11-20 株式会社デンソー 画像処理装置及び画像処理方法
US9800881B2 (en) 2013-05-07 2017-10-24 Denso Corporation Image processing apparatus and image processing method

Also Published As

Publication number Publication date
JPWO2009057478A1 (ja) 2011-03-10
JP5282306B2 (ja) 2013-09-04

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