CN105993170A8 - 图像处理装置、摄像装置、图像处理方法以及图像处理程序 - Google Patents

图像处理装置、摄像装置、图像处理方法以及图像处理程序 Download PDF

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CN105993170A8
CN105993170A8 CN201580002821.1A CN201580002821A CN105993170A8 CN 105993170 A8 CN105993170 A8 CN 105993170A8 CN 201580002821 A CN201580002821 A CN 201580002821A CN 105993170 A8 CN105993170 A8 CN 105993170A8
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image processing
transformation curve
gamma
pixel
carry out
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CN201580002821.1A
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CN105993170B (zh
CN105993170A (zh
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高济真哉
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Olympus Corp
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Olympus Corp
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    • 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
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • 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
    • 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
    • H04N1/6077—Colour balance, e.g. colour cast correction
    • 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
    • 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
    • H04N23/86—Camera processing pipelines; Components thereof for processing colour signals for controlling the colour saturation of colour signals, e.g. automatic chroma control circuits
    • 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
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/643—Hue control means, e.g. flesh tone control
    • 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
    • H04N9/648—Video amplifiers
    • 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
    • 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

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

Abstract

一种图像处理装置，具有：增益计算部(31)和增益相乘部(32)，它们针对由多个颜色信号的像素构成的输入图像，以不使饱和度和色相发生变化的方式，按照与每个像素的信号值对应的强度进行信号强调；以及伽马校正部(33)，其根据伽马强调度比基本伽马转换曲线弱的弱伽马转换曲线，按照每个像素对进行了信号强调的多个颜色信号进行灰度转换，上述基本伽马转换曲线是在不进行信号强调的情况下，以使得输出时的中间灰度区域成为适当的信号值的方式进行转换的伽马转换曲线。
CN201580002821.1A 2015-01-06 2015-03-25 图像处理装置、摄像装置、图像处理方法 Expired - Fee Related CN105993170B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015001054A JP5932068B1 (ja) 2015-01-06 2015-01-06 画像処理装置、撮像装置、画像処理方法、画像処理プログラム
JP2015-001054 2015-01-06
PCT/JP2015/059179 WO2016111020A1 (ja) 2015-01-06 2015-03-25 画像処理装置、撮像装置、画像処理方法、画像処理プログラム

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CN105993170A CN105993170A (zh) 2016-10-05
CN105993170A8 true CN105993170A8 (zh) 2017-03-01
CN105993170B CN105993170B (zh) 2018-02-02

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US (1) US9712797B2 (zh)
EP (1) EP3065400A4 (zh)
JP (1) JP5932068B1 (zh)
CN (1) CN105993170B (zh)
WO (1) WO2016111020A1 (zh)

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CN108022554A (zh) * 2016-11-04 2018-05-11 奇景光电股份有限公司 显示装置的亮度控制装置与相关方法
EP3367659A1 (en) * 2017-02-28 2018-08-29 Thomson Licensing Hue changing color gamut mapping
JP6789877B2 (ja) * 2017-04-28 2020-11-25 キヤノン株式会社 情報処理装置、画像処理システム、制御システム及び情報処理方法
JP6926856B2 (ja) * 2017-09-07 2021-08-25 コニカミノルタ株式会社 放射線画像処理装置、プログラム及び放射線画像処理方法
JP7340772B2 (ja) * 2019-04-02 2023-09-08 パナソニックＩｐマネジメント株式会社 撮像装置、および、画像調整方法
CN113763281B (zh) * 2021-09-17 2023-12-12 无锡睿勤科技有限公司 伽马曲线调整方法及装置

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JP2748678B2 (ja) 1990-10-09 1998-05-13 松下電器産業株式会社 階調補正方法および階調補正装置
JP3263772B2 (ja) * 1994-06-09 2002-03-11 三菱電機株式会社 映像表示装置
US5774112A (en) * 1994-10-25 1998-06-30 International Business Machines Corporation Method and apparatus for tone correction of a digital color image with preservation of the chromaticity of the image
JP3509448B2 (ja) * 1996-04-12 2004-03-22 ソニー株式会社 ビデオカメラ装置、映像信号処理装置、カラー映像信号のレベル圧縮方法および階調変換方法
JP4240261B2 (ja) * 2000-10-23 2009-03-18 ソニー株式会社 画像処理装置および方法、並びに記録媒体
JP4003399B2 (ja) * 2000-10-23 2007-11-07 ソニー株式会社 画像処理装置および方法、並びに記録媒体
JP3543774B2 (ja) * 2001-03-19 2004-07-21 ミノルタ株式会社 画像処理装置、画像処理方法および記録媒体
TW548534B (en) * 2001-04-12 2003-08-21 Via Tech Inc Control method for frequency raising and reducing of central processing unit using neural network
JP4479527B2 (ja) * 2004-09-17 2010-06-09 株式会社ニコン 画像処理方法、画像処理装置、画像処理プログラム、および電子カメラ
JP4630752B2 (ja) * 2005-07-29 2011-02-09 株式会社東芝 映像信号処理装置及び映像信号処理方法
JP5248928B2 (ja) 2008-06-09 2013-07-31 富士フイルム株式会社 撮影制御装置およびその方法並びにプログラム
JP5678584B2 (ja) * 2009-12-16 2015-03-04 株式会社リコー 画像処理装置、画像処理方法、およびプログラム
JP5745482B2 (ja) * 2012-09-20 2015-07-08 シャープ株式会社 画像処理装置、画像表示装置、画像撮像装置及び画像印刷装置、階調変換方法並びにプログラム
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Publication number Publication date
WO2016111020A1 (ja) 2016-07-14
EP3065400A1 (en) 2016-09-07
CN105993170B (zh) 2018-02-02
US20160249029A1 (en) 2016-08-25
CN105993170A (zh) 2016-10-05
JP2016126617A (ja) 2016-07-11
EP3065400A4 (en) 2017-09-20
US9712797B2 (en) 2017-07-18
JP5932068B1 (ja) 2016-06-08

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Correction item: PCT international application published data

Correct: WO2016/111020 JA 2016.07.14

Number: 40

Volume: 32

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Correction item: PCT international application published data

Correct: WO2016/111020 JA 2016.07.14

Number: 40

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Volume: 32

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Granted publication date: 20180202