DE69801349T2 - Verfahren zur Korrektur der Luminanzgradation innerhalb eines Bildaufnahmegerätes - Google Patents

Verfahren zur Korrektur der Luminanzgradation innerhalb eines Bildaufnahmegerätes

Info

Publication number
DE69801349T2
DE69801349T2 DE69801349T DE69801349T DE69801349T2 DE 69801349 T2 DE69801349 T2 DE 69801349T2 DE 69801349 T DE69801349 T DE 69801349T DE 69801349 T DE69801349 T DE 69801349T DE 69801349 T2 DE69801349 T2 DE 69801349T2
Authority
DE
Germany
Prior art keywords
correcting
recording device
image recording
luminance gradation
gradation
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 - Lifetime
Application number
DE69801349T
Other languages
English (en)
Other versions
DE69801349D1 (de
Inventor
Toshiyuki Sano
Keiji Toyoda
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 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=13802009&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69801349(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69801349D1 publication Critical patent/DE69801349D1/de
Application granted granted Critical
Publication of DE69801349T2 publication Critical patent/DE69801349T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
    • 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
    • H04N23/741—Circuitry for compensating brightness variation in the scene by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors
    • 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
DE69801349T 1997-03-18 1998-03-17 Verfahren zur Korrektur der Luminanzgradation innerhalb eines Bildaufnahmegerätes Expired - Lifetime DE69801349T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9083422A JP2951910B2 (ja) 1997-03-18 1997-03-18 撮像装置の階調補正装置及び階調補正方法

Publications (2)

Publication Number Publication Date
DE69801349D1 DE69801349D1 (de) 2001-09-20
DE69801349T2 true DE69801349T2 (de) 2002-05-29

Family

ID=13802009

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69801349T Expired - Lifetime DE69801349T2 (de) 1997-03-18 1998-03-17 Verfahren zur Korrektur der Luminanzgradation innerhalb eines Bildaufnahmegerätes

Country Status (5)

Country Link
US (1) US6111980A (de)
EP (1) EP0866608B1 (de)
JP (1) JP2951910B2 (de)
CN (1) CN1164086C (de)
DE (1) DE69801349T2 (de)

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JP2000050238A (ja) * 1998-07-27 2000-02-18 Matsushita Electric Ind Co Ltd 監視カメラ装置
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US6687400B1 (en) * 1999-06-16 2004-02-03 Microsoft Corporation System and process for improving the uniformity of the exposure and tone of a digital image
EP1075140A1 (de) * 1999-08-02 2001-02-07 Koninklijke Philips Electronics N.V. Verbesserung eines Videosignals
US6738510B2 (en) * 2000-02-22 2004-05-18 Olympus Optical Co., Ltd. Image processing apparatus
FR2809568B1 (fr) * 2000-05-26 2002-11-29 Thomson Csf Dispositif et procede d'analyse d'un ou de plusieurs signaux a grande dynamique
EP1164784A1 (de) * 2000-06-13 2001-12-19 Koninklijke Philips Electronics N.V. Verhinderung des Wölbungsphänomens
US7199840B2 (en) * 2001-05-31 2007-04-03 Matsushita Electric Industrial Co., Ltd. Dynamic gray scale range adjustment apparatus and method
JP3948229B2 (ja) * 2001-08-01 2007-07-25 ソニー株式会社 画像撮像装置及び方法
JP4420385B2 (ja) * 2001-11-01 2010-02-24 トムソン ライセンシング 動的コントラスト改善方法
ES2199076B1 (es) * 2002-07-19 2005-06-16 Consejo Sup. Investig. Cientificas Circuito de adaptacion de luminancia basado en interacciones locales.
JP3801126B2 (ja) * 2002-09-25 2006-07-26 ソニー株式会社 撮像装置，撮像装置の画像出力方法，およびコンピュータプログラム
US10252079B2 (en) * 2003-06-06 2019-04-09 Koninklijke Philips N.V. Hand-held light therapy apparatus
TWI245557B (en) * 2003-09-11 2005-12-11 Matsushita Electric Ind Co Ltd Image compensation apparatus and method for the same
JP2007525883A (ja) * 2004-01-14 2007-09-06 リヴァーストーン ネットワークス インコーポレーテッド ネットワークノードにおける処理利用管理
US7426314B2 (en) * 2004-07-30 2008-09-16 Hewlett-Packard Development Company, L.P. Adjusting pixels by desired gains and factors
JP4419768B2 (ja) * 2004-09-21 2010-02-24 日本ビクター株式会社 電子機器の制御装置
JP4073477B2 (ja) * 2005-03-25 2008-04-09 三菱電機株式会社 画像処理装置、及び画像表示装置
US7480421B2 (en) * 2005-05-23 2009-01-20 Canon Kabushiki Kaisha Rendering of high dynamic range images
JP2007067571A (ja) * 2005-08-29 2007-03-15 Fujitsu Ltd 画像処理装置
JP4774915B2 (ja) * 2005-10-26 2011-09-21 カシオ計算機株式会社 撮像装置、階調補正方法及びプログラム
JP2007311889A (ja) 2006-05-16 2007-11-29 Sony Corp 画像補正回路、画像補正方法および画像表示装置
US8369646B2 (en) * 2006-05-17 2013-02-05 Sony Corporation Image correction circuit, image correction method and image display
US8144121B2 (en) * 2006-10-11 2012-03-27 Victor Company Of Japan, Limited Method and apparatus for controlling electronic appliance
US7796832B2 (en) 2007-01-03 2010-09-14 Chunghwa Picture Tubes, Ltd. Circuit and method of dynamic contrast enhancement
JP4306750B2 (ja) 2007-03-14 2009-08-05 ソニー株式会社 撮像装置、撮像方法、露光制御方法、プログラム
JP4986747B2 (ja) * 2007-07-09 2012-07-25 キヤノン株式会社 撮像装置及び撮像方法
JP4818393B2 (ja) 2009-05-07 2011-11-16 キヤノン株式会社 画像処理方法および画像処理装置
JP2011188391A (ja) * 2010-03-10 2011-09-22 Sony Corp 画像処理装置および方法、並びにプログラム
CN103096087B (zh) * 2013-02-06 2015-09-23 上海国茂数字技术有限公司 一种图像和视频编解码方法和系统
JP5819897B2 (ja) * 2013-09-10 2015-11-24 株式会社Ｓｃｒｅｅｎホールディングス 撮像システムおよび撮像方法
WO2015098669A1 (en) * 2013-12-26 2015-07-02 Canon Kabushiki Kaisha Image processing apparatus and imaging apparatus
JP2017139678A (ja) * 2016-02-05 2017-08-10 Ｎｅｃプラットフォームズ株式会社 画像データ変換装置、画像データ変換方法、画像データ変換用プログラム、ｐｏｓ端末装置、及びサーバ
US10880504B2 (en) * 2016-12-27 2020-12-29 Canon Kabushiki Kaisha Image pickup device, image capturing system, and movable body

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JPS6157759A (ja) * 1984-08-28 1986-03-24 元旦ビユーティ工業株式会社 床構造体
US4734776A (en) * 1986-08-15 1988-03-29 General Electric Company Readout circuit for an optical sensing charge injection device facilitating an extended dynamic range
US5289282A (en) * 1991-05-28 1994-02-22 Matsushita Electric Industrial Co., Ltd. Video signal gradation corrector
JPH0566751A (ja) * 1991-09-10 1993-03-19 Matsushita Electric Ind Co Ltd 階調補正回路
JPH05103256A (ja) * 1991-10-11 1993-04-23 Canon Inc 撮像装置
JPH05176263A (ja) * 1991-12-20 1993-07-13 Matsushita Electric Ind Co Ltd 階調補正装置
DE4310727C2 (de) * 1992-04-06 1996-07-11 Hell Ag Linotype Verfahren und Einrichtung zur Analyse von Bildvorlagen
JP3297485B2 (ja) * 1992-12-21 2002-07-02 キヤノン株式会社 撮像装置
JP3203278B2 (ja) * 1992-12-22 2001-08-27 富士写真フイルム株式会社 ビデオ・カメラおよびその制御方法
EP0613294B1 (de) * 1993-02-24 1998-10-28 Matsushita Electric Industrial Co., Ltd. Vorrichtung zur Gradationskorrektur und Bildaufnahmegerät mit einer solchen Vorrichtung
JPH0715690A (ja) * 1993-04-01 1995-01-17 Matsushita Electric Ind Co Ltd 階調補正回路
DE69534929T2 (de) * 1994-09-30 2006-11-16 Matsushita Electric Industrial Co., Ltd., Kadoma Bildaufnahmevorrichtung
JPH0937145A (ja) * 1995-07-24 1997-02-07 Matsushita Electric Ind Co Ltd 自動露出調節装置、自動階調調節装置及びビデオカメラ
JP3294089B2 (ja) * 1995-11-21 2002-06-17 松下電器産業株式会社 撮像装置

Also Published As

Publication number Publication date
EP0866608A3 (de) 1999-05-12
DE69801349D1 (de) 2001-09-20
JPH10261078A (ja) 1998-09-29
EP0866608B1 (de) 2001-08-16
CN1164086C (zh) 2004-08-25
JP2951910B2 (ja) 1999-09-20
EP0866608A2 (de) 1998-09-23
US6111980A (en) 2000-08-29
CN1197348A (zh) 1998-10-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP