WO2008117818A1 - 画像処理装置、画像処理方法、画像処理用コンピュータプログラム製品、およびカメラ - Google Patents

画像処理装置、画像処理方法、画像処理用コンピュータプログラム製品、およびカメラ Download PDF

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Publication number
WO2008117818A1
WO2008117818A1 PCT/JP2008/055666 JP2008055666W WO2008117818A1 WO 2008117818 A1 WO2008117818 A1 WO 2008117818A1 JP 2008055666 W JP2008055666 W JP 2008055666W WO 2008117818 A1 WO2008117818 A1 WO 2008117818A1
Authority
WO
WIPO (PCT)
Prior art keywords
image processing
image
camera
computer program
program product
Prior art date
Application number
PCT/JP2008/055666
Other languages
English (en)
French (fr)
Inventor
Hideyasu Kuniba
Original Assignee
Nikon 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 Nikon Corporation filed Critical Nikon Corporation
Priority to US12/450,283 priority Critical patent/US8558927B2/en
Publication of WO2008117818A1 publication Critical patent/WO2008117818A1/ja

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure
    • H04N25/57—Control of the dynamic range
    • H04N25/571—Control of the dynamic range involving a non-linear response
    • 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
    • H04N1/6027—Correction or control of colour gradation or colour contrast
    • 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
    • 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
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by gamma correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Color Television Image Signal Generators (AREA)
  • Processing Of Color Television Signals (AREA)
  • Facsimile Image Signal Circuits (AREA)

Abstract

　画像処理装置は、明るさを表す成分と色の濃さを表す成分とによって表現される色空間の画像において、明るさを表す成分に対して、所定の明るさで傾きが変化する階調変換特性に応じて階調変換処理を施す階調変換部と、色の濃さを表す成分に対して、変調特性を乗じて変調処理を施す変調部とを備え、変調特性は、所定の明るさより明るい領域の少なくとも一部の領域で１以下の値が設定されている。
PCT/JP2008/055666 2007-03-26 2008-03-26 画像処理装置、画像処理方法、画像処理用コンピュータプログラム製品、およびカメラ WO2008117818A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/450,283 US8558927B2 (en) 2007-03-26 2008-03-26 Image processing apparatus having a gradation conversion unit that executes gradation conversion processing, and image processing method for the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007079157A JP5211521B2 (ja) 2007-03-26 2007-03-26 画像処理装置、画像処理方法、画像処理プログラム、およびカメラ
JP2007-079157 2007-03-26

Publications (1)

Publication Number Publication Date
WO2008117818A1 true WO2008117818A1 (ja) 2008-10-02

Family

ID=39788551

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/055666 WO2008117818A1 (ja) 2007-03-26 2008-03-26 画像処理装置、画像処理方法、画像処理用コンピュータプログラム製品、およびカメラ

Country Status (3)

Country Link
US (1) US8558927B2 (ja)
JP (1) JP5211521B2 (ja)
WO (1) WO2008117818A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11470295B2 (en) 2018-02-26 2022-10-11 Sony Corporation Signal processing device, signal processing method, and imaging device

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI399100B (zh) * 2009-03-06 2013-06-11 Wintek Corp 影像處理方法
JP5924262B2 (ja) * 2010-06-25 2016-05-25 株式会社ニコン 画像処理装置および画像処理プログラム
JP5754929B2 (ja) * 2010-11-30 2015-07-29 キヤノン株式会社 画像処理装置及び画像処理方法
JP6086975B2 (ja) * 2013-03-27 2017-03-01 富士フイルム株式会社 画像処理装置、撮像装置、画像処理方法及び画像処理プログラム
JP2015154459A (ja) * 2014-02-19 2015-08-24 三星ディスプレイ株式會社Ｓａｍｓｕｎｇ Ｄｉｓｐｌａｙ Ｃｏ．，Ｌｔｄ． 画像処理装置および画像処理方法
JP6476898B2 (ja) * 2014-03-07 2019-03-06 株式会社リコー 画像処理装置、画像処理方法、プログラム及び記憶媒体
EP3220349A1 (en) * 2016-03-16 2017-09-20 Thomson Licensing Methods, apparatus, and systems for extended high dynamic range ("hdr") hdr to hdr tone mapping
JP2020064102A (ja) * 2018-10-15 2020-04-23 キヤノン株式会社 表示装置および表示方法
CN110992879B (zh) * 2019-12-11 2022-07-15 易诚高科（大连）科技有限公司 一种基于OLED电气特性评估的DeMURA数据采集寻优方法

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JPH02143788A (ja) * 1988-11-25 1990-06-01 Mitsubishi Electric Corp 映像信号処理回路
JPH04315397A (ja) * 1991-04-15 1992-11-06 Olympus Optical Co Ltd 映像信号処理装置
JP2000032482A (ja) * 1998-07-14 2000-01-28 Canon Inc 信号処理装置、信号処理方法及び記憶媒体
JP2003224860A (ja) * 2002-01-29 2003-08-08 Hitachi Ltd 映像表示装置および色補正方法
JP2003235055A (ja) * 2002-02-12 2003-08-22 Nikon Corp 画像処理装置、画像処理プログラム、および画像処理方法

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JPH0690351A (ja) * 1992-09-09 1994-03-29 Fujitsu Ltd カラー画像の色圧縮方式
JPH06181520A (ja) * 1992-12-14 1994-06-28 Fujitsu Ltd 画像処理装置
BE1007590A3 (nl) * 1993-10-01 1995-08-16 Philips Electronics Nv Videosignaalverwerkingsschakeling.
US6677959B1 (en) 1999-04-13 2004-01-13 Athentech Technologies Inc. Virtual true color light amplification
JP3596387B2 (ja) 1999-11-22 2004-12-02 松下電器産業株式会社 高輝度圧縮回路
US20040085459A1 (en) 2002-02-12 2004-05-06 Nikon Corporation Image processing device, image processing program, and image processing method
JP3784726B2 (ja) * 2002-02-22 2006-06-14 シャープ株式会社 色調整装置
US7245308B2 (en) 2003-04-09 2007-07-17 Matsushita Electric Industrial Co., Ltd. Display control device and display device
JP2006237657A (ja) 2003-06-25 2006-09-07 Nikon Corp 画像処理装置、画像補正プログラムおよび記録媒体
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02143788A (ja) * 1988-11-25 1990-06-01 Mitsubishi Electric Corp 映像信号処理回路
JPH04315397A (ja) * 1991-04-15 1992-11-06 Olympus Optical Co Ltd 映像信号処理装置
JP2000032482A (ja) * 1998-07-14 2000-01-28 Canon Inc 信号処理装置、信号処理方法及び記憶媒体
JP2003224860A (ja) * 2002-01-29 2003-08-08 Hitachi Ltd 映像表示装置および色補正方法
JP2003235055A (ja) * 2002-02-12 2003-08-22 Nikon Corp 画像処理装置、画像処理プログラム、および画像処理方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11470295B2 (en) 2018-02-26 2022-10-11 Sony Corporation Signal processing device, signal processing method, and imaging device

Also Published As

Publication number Publication date
US8558927B2 (en) 2013-10-15
JP2008244588A (ja) 2008-10-09
JP5211521B2 (ja) 2013-06-12
US20100097482A1 (en) 2010-04-22

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