WO2009057478A1 - Image processing device, image processing method, and imaging device - Google Patents

Image processing device, image processing method, and imaging device 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
Authority
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
French (fr)
Japanese (ja)
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/en
Publication of WO2009057478A1 publication Critical patent/WO2009057478A1/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
    • H04N23/70—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)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)

Abstract

A first characteristic conversion section (110) converts the photoelectric conversion characteristic of image data outputted from an imaging sensor (3) into a predetermined photoelectric conversion characteristic suitable for a dynamic range compression processing by a compression section (120) to generate logarithmic image data (V1). An exposure correcting section (130) corrects the exposure level of the logarithmic image data (V1). A dynamic range compression section (140) executes the dynamic range compression processing to the logarithmic image data (V1). A second characteristic conversion section (150) converts the photoelectric conversion characteristic of logarithmic image data (V3) to which the dynamic range compression processing is applied by the dynamic range compression section (140) into a predetermined photoelectric conversion characteristic suitable for a processing by a processing section (160) connected to the subsequent stage.
PCT/JP2008/069023 2007-11-01 2008-10-21 Image processing device, image processing method, and imaging device WO2009057478A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009539016A JP5282306B2 (en) 2007-11-01 2008-10-21 Image processing apparatus, image processing method, and imaging apparatus

Applications Claiming Priority (2)

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

Publications (1)

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

Family

ID=40590870

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/069023 WO2009057478A1 (en) 2007-11-01 2008-10-21 Image processing device, image processing method, and imaging device

Country Status (2)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012134779A (en) * 2010-12-22 2012-07-12 Hitachi Consumer Electronics Co Ltd Image signal processing apparatus
WO2014129319A1 (en) * 2013-02-21 2014-08-28 クラリオン株式会社 Imaging device
WO2014181743A1 (en) * 2013-05-07 2014-11-13 株式会社デンソー Image processing device and image processing method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03224372A (en) * 1989-12-22 1991-10-03 Olympus Optical Co Ltd Electronic camera
JPH11239295A (en) * 1998-02-24 1999-08-31 Sony Corp Exposure correction device for video camera
JP2005136715A (en) * 2003-10-30 2005-05-26 Seiko Epson Corp Exposure controling device and exposure control method
JP2006319870A (en) * 2005-05-16 2006-11-24 Fujifilm Holdings Corp Photographic device, method and program
JP2006333113A (en) * 2005-05-26 2006-12-07 Konica Minolta Holdings Inc Imaging device
JP2007082181A (en) * 2005-08-16 2007-03-29 Konica Minolta Holdings Inc Imaging apparatus and image processing method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3551857B2 (en) * 1999-09-09 2004-08-11 日本電気株式会社 High dynamic range image processing apparatus and method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03224372A (en) * 1989-12-22 1991-10-03 Olympus Optical Co Ltd Electronic camera
JPH11239295A (en) * 1998-02-24 1999-08-31 Sony Corp Exposure correction device for video camera
JP2005136715A (en) * 2003-10-30 2005-05-26 Seiko Epson Corp Exposure controling device and exposure control method
JP2006319870A (en) * 2005-05-16 2006-11-24 Fujifilm Holdings Corp Photographic device, method and program
JP2006333113A (en) * 2005-05-26 2006-12-07 Konica Minolta Holdings Inc Imaging device
JP2007082181A (en) * 2005-08-16 2007-03-29 Konica Minolta Holdings Inc Imaging apparatus and image processing method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012134779A (en) * 2010-12-22 2012-07-12 Hitachi Consumer Electronics Co Ltd Image signal processing apparatus
WO2014129319A1 (en) * 2013-02-21 2014-08-28 クラリオン株式会社 Imaging device
JP2014165528A (en) * 2013-02-21 2014-09-08 Clarion Co Ltd Image pickup device
US9906766B2 (en) 2013-02-21 2018-02-27 Clarion Co., Ltd. Imaging device
WO2014181743A1 (en) * 2013-05-07 2014-11-13 株式会社デンソー Image processing device and image processing method
JP2014219790A (en) * 2013-05-07 2014-11-20 株式会社デンソー Image processor and image processing method
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 (en) 2011-03-10
JP5282306B2 (en) 2013-09-04

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