DE69223474D1 - Gradationskorrekturverfahren und Gerät - Google Patents

Gradationskorrekturverfahren und Gerät

Info

Publication number
DE69223474D1
DE69223474D1 DE69223474T DE69223474T DE69223474D1 DE 69223474 D1 DE69223474 D1 DE 69223474D1 DE 69223474 T DE69223474 T DE 69223474T DE 69223474 T DE69223474 T DE 69223474T DE 69223474 D1 DE69223474 D1 DE 69223474D1
Authority
DE
Germany
Prior art keywords
correction method
gradation correction
gradation
correction
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69223474T
Other languages
English (en)
Other versions
DE69223474T2 (de
Inventor
Shigeo Sakaue
Susumu Maruno
Haruo Yamashita
Hideshi Ishihara
Yasuki - - Matsumoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69223474D1 publication Critical patent/DE69223474D1/de
Application granted granted Critical
Publication of DE69223474T2 publication Critical patent/DE69223474T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/00795—Reading arrangements
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color, Gradation (AREA)
  • Image Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Color Image Communication Systems (AREA)
DE69223474T 1991-09-17 1992-09-15 Gradationskorrekturverfahren und Gerät Expired - Fee Related DE69223474T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3236068A JP2699711B2 (ja) 1991-09-17 1991-09-17 階調補正方法および装置

Publications (2)

Publication Number Publication Date
DE69223474D1 true DE69223474D1 (de) 1998-01-22
DE69223474T2 DE69223474T2 (de) 1998-04-02

Family

ID=16995247

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69223474T Expired - Fee Related DE69223474T2 (de) 1991-09-17 1992-09-15 Gradationskorrekturverfahren und Gerät

Country Status (6)

Country Link
US (1) US5296920A (de)
EP (1) EP0533100B1 (de)
JP (1) JP2699711B2 (de)
KR (1) KR960008059B1 (de)
CA (1) CA2078200C (de)
DE (1) DE69223474T2 (de)

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JPH06189332A (ja) * 1992-12-21 1994-07-08 Hitachi Ltd ホワイトバランス補正装置
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US5715377A (en) * 1994-07-21 1998-02-03 Matsushita Electric Industrial Co. Ltd. Gray level correction apparatus
JPH08140112A (ja) * 1994-11-10 1996-05-31 Sony Corp ガンマ補正回路
JPH08317187A (ja) * 1995-05-18 1996-11-29 Canon Inc 画像処理装置及び方法
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WO1998051089A1 (fr) * 1997-05-07 1998-11-12 Sony Corporation Processeur de signaux d'images, camera video couleur et procede de traitement de signaux d'images
JP4057147B2 (ja) * 1998-06-16 2008-03-05 コニカミノルタビジネステクノロジーズ株式会社 逆光シーン判定方法、逆光シーン判定方法プログラムを記憶したコンピュータにより読み取り可能な記憶媒体及び逆光シーン判定機能を有する画像処理装置
EP1067804A4 (de) * 1998-12-26 2005-05-11 Sony Corp Videosignalverarbeitungsvorrichtung und -verfahren
JP2001166737A (ja) * 1999-12-10 2001-06-22 Tdk Corp カラー画像表示装置
US6738510B2 (en) 2000-02-22 2004-05-18 Olympus Optical Co., Ltd. Image processing apparatus
US6721000B1 (en) * 2000-02-23 2004-04-13 Neomagic Corp. Adaptive pixel-level color enhancement for a digital camera
US7092122B2 (en) * 2000-07-18 2006-08-15 Fuji Photo Film Co., Ltd. Image processing device and method
KR100413341B1 (ko) * 2001-03-20 2003-12-31 주식회사 코난테크놀로지 Ｈｓｖ 칼라 히스토그램 추출 방법
EP1326433B1 (de) * 2001-12-29 2012-04-11 Samsung Electronics Co., Ltd. Gerät und Verfahren zur Bildhelligkeitssteuerung
US7042521B2 (en) * 2002-08-29 2006-05-09 Samsung Electronics Co., Ltd. Method for color saturation adjustment in an RGB color system
JP2004151167A (ja) 2002-10-29 2004-05-27 Fuji Photo Film Co Ltd 画像補正方法およびシステム
US20040170319A1 (en) * 2003-02-28 2004-09-02 Maurer Ron P. System and method of gamut mapping image data
CN1836452A (zh) * 2003-08-18 2006-09-20 皇家飞利浦电子股份有限公司 为饱和度控制修改亮度加权
JP2007505548A (ja) * 2003-09-12 2007-03-08 コニンクリユケ フィリップス エレクトロニクス エヌ．ブイ． 輝度を調節するための輝度調節方法および輝度調節装置ならびにコンピュータシステムおよびコンピューティングシステム
JP2005221701A (ja) * 2004-02-05 2005-08-18 Tohoku Pioneer Corp 発光表示パネルの駆動装置および駆動方法
JP2005294907A (ja) * 2004-03-31 2005-10-20 Seiko Epson Corp テレビ受像機及び画像出力方法
JP4289225B2 (ja) 2004-06-18 2009-07-01 株式会社ニコン 画像処理装置および画像処理方法
US7599578B2 (en) * 2004-09-17 2009-10-06 Nikon Corporation Apparatus, program, and method for image tone transformation, and electronic camera
JP4774757B2 (ja) 2004-09-17 2011-09-14 株式会社ニコン 画像処理装置、画像処理プログラム、電子カメラ、および画像処理方法
US20060170792A1 (en) * 2004-11-12 2006-08-03 Sozotek, Inc. System and method for providing true luminance detail
CN100417199C (zh) * 2005-11-08 2008-09-03 普立尔科技股份有限公司 数字相机及其修正亮度的方法
JP4030560B2 (ja) * 2005-12-14 2008-01-09 三菱電機株式会社 画像処理装置及び画像表示装置
JP4645466B2 (ja) * 2006-01-31 2011-03-09 パナソニック株式会社 撮像装置
JP4916341B2 (ja) * 2007-02-28 2012-04-11 オリンパス株式会社 画像処理装置及び画像処理プログラム
JP4785799B2 (ja) * 2007-07-17 2011-10-05 富士フイルム株式会社 画像処理装置、画像処理方法及び撮影装置
JP4922091B2 (ja) 2007-07-23 2012-04-25 ルネサスエレクトロニクス株式会社 映像信号処理装置、映像信号処理方法及び表示装置
GB2456745A (en) * 2007-10-08 2009-07-29 Keymed Luminance gamma correction with chroma gain adjustment
CN101453661B (zh) * 2007-11-29 2010-09-22 胜华科技股份有限公司 影像处理方法
TWI388200B (zh) * 2009-03-25 2013-03-01 Micro Star Int Co Ltd A method for generating a high dynamic range image and a digital image pickup device thereof
KR101073568B1 (ko) * 2009-08-27 2011-10-14 삼성모바일디스플레이주식회사 표시 장치 및 그 구동 방법
JP5449404B2 (ja) * 2009-12-28 2014-03-19 シャープ株式会社 表示装置
JP2011223568A (ja) 2010-03-23 2011-11-04 Fujifilm Corp 画像処理方法及び装置、並びに画像処理プログラム
JP5365881B2 (ja) * 2010-06-28 2013-12-11 株式会社Ｊｖｃケンウッド 画像処理装置、画像処理方法
JP2012049627A (ja) * 2010-08-24 2012-03-08 Sony Corp 信号処理装置、信号処理方法およびプログラム
JP6014001B2 (ja) * 2013-09-26 2016-10-25 京セラドキュメントソリューションズ株式会社 画像形成装置及び画像形成プログラム
CN105644161B (zh) * 2014-11-13 2017-11-17 株式会社理光 医疗图像打印装置及其医疗图像打印系统
WO2018110051A1 (ja) * 2016-12-14 2018-06-21 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
JP2023161738A (ja) * 2022-04-26 2023-11-08 Ｊｉｇ－Ｓａｗ株式会社 情報処理装置、情報処理方法、およびプログラム

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Also Published As

Publication number Publication date
US5296920A (en) 1994-03-22
JP2699711B2 (ja) 1998-01-19
CA2078200C (en) 1997-10-28
JPH0576036A (ja) 1993-03-26
EP0533100A2 (de) 1993-03-24
CA2078200A1 (en) 1993-03-18
KR930007216A (ko) 1993-04-22
DE69223474T2 (de) 1998-04-02
KR960008059B1 (ko) 1996-06-19
EP0533100A3 (de) 1993-05-19
EP0533100B1 (de) 1997-12-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee