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DE69908713D1 - Selektive Helligkeitserweiterung - Google Patents

Selektive Helligkeitserweiterung

Info

Publication number
DE69908713D1
DE69908713D1 DE69908713T DE69908713T DE69908713D1 DE 69908713 D1 DE69908713 D1 DE 69908713D1 DE 69908713 T DE69908713 T DE 69908713T DE 69908713 T DE69908713 T DE 69908713T DE 69908713 D1 DE69908713 D1 DE 69908713D1
Authority
DE
Germany
Prior art keywords
brightness
selective extension
selective
extension
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
DE69908713T
Other languages
English (en)
Other versions
DE69908713T2 (de
Inventor
Kazuhiro Ohara
William J Sexton
Akira Takeda
Gary Sextro
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of DE69908713D1 publication Critical patent/DE69908713D1/de
Application granted granted Critical
Publication of DE69908713T2 publication Critical patent/DE69908713T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques
    • 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
    • G06T2207/10016—Video; Image sequence

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Picture Signal Circuits (AREA)
  • Image Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE69908713T 1998-06-22 1999-06-17 Selektive Helligkeitserweiterung Expired - Lifetime DE69908713T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9015198P 1998-06-22 1998-06-22
US90151P 1998-06-22

Publications (2)

Publication Number Publication Date
DE69908713D1 true DE69908713D1 (de) 2003-07-17
DE69908713T2 DE69908713T2 (de) 2004-05-13

Family

ID=22221539

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69908713T Expired - Lifetime DE69908713T2 (de) 1998-06-22 1999-06-17 Selektive Helligkeitserweiterung

Country Status (4)

Country Link
US (1) US6529211B2 (de)
EP (1) EP0973128B1 (de)
JP (1) JP2000029449A (de)
DE (1) DE69908713T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2751772B1 (fr) 1996-07-26 1998-10-16 Bev Bureau Etude Vision Soc Procede et dispositif fonctionnant en temps reel, pour le reperage et la localisation d'une zone en mouvement relatif dans une scene, ainsi que pour la determination de la vitesse et la direction du deplacement
US7650015B2 (en) 1997-07-22 2010-01-19 Image Processing Technologies. LLC Image processing method
US7181047B2 (en) * 1996-07-26 2007-02-20 Patrick Pirim Methods and apparatus for identifying and localizing an area of relative movement in a scene
US6816200B1 (en) * 1998-08-31 2004-11-09 Neostar, Inc. Method and apparatus for detecting camera sensor intensity saturation
FR2805629B1 (fr) * 2000-02-24 2002-08-30 Holding Bev Sa Procede et dispositif de perception automatique
US7136842B2 (en) * 2000-02-24 2006-11-14 Holding B.E.V. S.A. Method and device for adapting a signal for the detection of the movement of an object
US7043465B2 (en) * 2000-02-24 2006-05-09 Holding B.E.V.S.A. Method and device for perception of an object by its shape, its size and/or its orientation
FR2828613B1 (fr) 2001-08-10 2003-11-07 Holding Bev Sa Dispositif et procede de traitement pour systeme de perception automatique
JP3652352B2 (ja) * 2001-12-27 2005-05-25 エルジー電子株式会社 フラットパネル表示装置の駆動方法及び装置
JP3783645B2 (ja) * 2002-04-05 2006-06-07 株式会社日立製作所 コントラスト調整方法、コントラスト調整回路及びそれを用いた映像表示装置
US20050129110A1 (en) * 2002-04-12 2005-06-16 Gwenaelle Marquant Coding and decoding method and device
JP4078649B2 (ja) * 2004-01-28 2008-04-23 日本ビクター株式会社 映像信号処理装置及び方法
JP4250595B2 (ja) * 2004-02-16 2009-04-08 キヤノン株式会社 信号処理方法及び信号処理回路
KR101012270B1 (ko) 2004-04-15 2011-02-07 돌비 레버러토리즈 라이쎈싱 코오포레이션 낮은 동적 범위로부터 높은 동적 범위로 이미지를 변환하는방법 및 시스템
US7573533B2 (en) * 2004-10-15 2009-08-11 Genesis Microchip Inc. Method of generating transfer curves for adaptive contrast enhancement
US7760961B2 (en) * 2004-10-15 2010-07-20 Caba Moldvai Adaptive contrast enhancement
US20060170792A1 (en) * 2004-11-12 2006-08-03 Sozotek, Inc. System and method for providing true luminance detail
KR100752850B1 (ko) * 2004-12-15 2007-08-29 엘지전자 주식회사 디지털 영상 촬영장치와 방법
JP4617989B2 (ja) * 2005-04-28 2011-01-26 株式会社日立製作所 映像処理装置
JP2008021119A (ja) * 2006-07-13 2008-01-31 Neuro Solution Corp デジタルフィルタおよびこれを用いた画像処理装置
TW200826014A (en) * 2006-12-11 2008-06-16 Inventec Corp Display apparatus and method for controlling contrast thereof
US7382298B1 (en) 2007-01-17 2008-06-03 Analog Devices, Inc. Code-correction structures and methods for digital displays
TWI479891B (zh) * 2007-06-26 2015-04-01 Apple Inc 動態背光調適
TWI466093B (zh) * 2007-06-26 2014-12-21 Apple Inc 用於視訊播放的管理技術
US8520916B2 (en) * 2007-11-20 2013-08-27 Carestream Health, Inc. Enhancement of region of interest of radiological image
US8766902B2 (en) * 2007-12-21 2014-07-01 Apple Inc. Management techniques for video playback
KR101448642B1 (ko) * 2008-04-22 2014-10-08 엘지전자 주식회사 영상기기의 블랙 레벨 조정 방법 및 그 방법을 채용한영상기기
EP2262228A1 (de) 2009-06-09 2010-12-15 Global IP Solutions (GIPS) AB Erkennung und Unterdrücken von Flackern in einer Bildabfolge
JP5759686B2 (ja) * 2009-08-06 2015-08-05 株式会社半導体エネルギー研究所 表示装置
US9870375B2 (en) * 2013-12-20 2018-01-16 Nvidia Corporation Image analysis of display content for dynamic adjustment of a continuous scan display
US9830871B2 (en) 2014-01-03 2017-11-28 Nvidia Corporation DC balancing techniques for a variable refresh rate display
US9711099B2 (en) 2014-02-26 2017-07-18 Nvidia Corporation Techniques for avoiding and remedying DC bias buildup on a flat panel variable refresh rate display
US10043490B2 (en) * 2014-12-24 2018-08-07 Synaptics Incorporated Requesting display frames from a display source
US9940898B2 (en) 2016-02-25 2018-04-10 Nvidia Corporation Variable refresh rate video capture and playback

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4187519A (en) * 1978-08-17 1980-02-05 Rockwell International Corporation System for expanding the video contrast of an image
JPH0437263A (ja) * 1990-05-31 1992-02-07 Matsushita Electric Ind Co Ltd 階調補正装置
JPH04110920A (ja) * 1990-08-31 1992-04-13 Sanyo Electric Co Ltd 階調補正回路
ES2152946T3 (es) * 1992-02-18 2001-02-16 Neopath Inc Metodo de identificacion de objetos mediante tecnicas de procesamiento de datos.
US5414538A (en) * 1993-10-07 1995-05-09 Xerox Corporation Image-dependent exposure enhancement
US5812286A (en) * 1995-08-30 1998-09-22 Hewlett-Packard Company Automatic color processing to correct hue shift and incorrect exposure
US5954653A (en) * 1997-05-07 1999-09-21 General Electric Company Method and apparatus for automatically enhancing contrast in projected ultrasound image

Also Published As

Publication number Publication date
JP2000029449A (ja) 2000-01-28
EP0973128B1 (de) 2003-06-11
US20020101432A1 (en) 2002-08-01
EP0973128A3 (de) 2000-10-18
EP0973128A2 (de) 2000-01-19
US6529211B2 (en) 2003-03-04
DE69908713T2 (de) 2004-05-13

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Legal Events

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