ATE205621T1 - Vorrichtung zur erzeugung von angepassten gamma- kurven für einer farbkorrekturanlage - Google Patents

Vorrichtung zur erzeugung von angepassten gamma- kurven für einer farbkorrekturanlage

Info

Publication number
ATE205621T1
ATE205621T1 AT99106633T AT99106633T ATE205621T1 AT E205621 T1 ATE205621 T1 AT E205621T1 AT 99106633 T AT99106633 T AT 99106633T AT 99106633 T AT99106633 T AT 99106633T AT E205621 T1 ATE205621 T1 AT E205621T1
Authority
AT
Austria
Prior art keywords
gamma curve
input signal
control point
color correction
stored
Prior art date
Application number
AT99106633T
Other languages
English (en)
Inventor
Nicholas Barton
Sanjay Devappa Rai
Xueming Henry Gu
Original Assignee
Da Vinci Systems 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 Da Vinci Systems Inc filed Critical Da Vinci Systems Inc
Application granted granted Critical
Publication of ATE205621T1 publication Critical patent/ATE205621T1/de

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/032—Electronic editing of digitised analogue information signals, e.g. audio or video signals on tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
AT99106633T 1998-04-03 1999-03-31 Vorrichtung zur erzeugung von angepassten gamma- kurven für einer farbkorrekturanlage ATE205621T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8061998P 1998-04-03 1998-04-03

Publications (1)

Publication Number Publication Date
ATE205621T1 true ATE205621T1 (de) 2001-09-15

Family

ID=22158521

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99106633T ATE205621T1 (de) 1998-04-03 1999-03-31 Vorrichtung zur erzeugung von angepassten gamma- kurven für einer farbkorrekturanlage

Country Status (6)

Country Link
US (1) US6266103B1 (de)
EP (1) EP0947955B1 (de)
AT (1) ATE205621T1 (de)
DE (1) DE69900270T2 (de)
DK (1) DK0947955T3 (de)
PT (1) PT947955E (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7447351B2 (en) 2001-12-03 2008-11-04 Apple Inc. Color level graphical user interface

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3376194B2 (ja) * 1995-12-15 2003-02-10 キヤノン株式会社 画像処理装置及び方法
US6317153B1 (en) * 1999-04-16 2001-11-13 Avid Technology, Inc. Method and system for calibrating color correction instructions between color correction devices
US6731822B1 (en) * 1999-10-28 2004-05-04 Hewlett-Packard Development Company, L.P. Method and apparatus for filtering images having insufficient tonal precision
US6727959B2 (en) * 1999-11-22 2004-04-27 Conexant Systems, Inc. System of and method for gamma correction of real-time video
GB0007448D0 (en) * 2000-03-29 2000-05-17 Discreet Logic Inc Gamma calibration
EP1152604A1 (de) * 2000-04-24 2001-11-07 Pulnix America, Inc. Video Blendungsreduzierung
US7006688B2 (en) * 2001-07-05 2006-02-28 Corel Corporation Histogram adjustment features for use in imaging technologies
US6792160B2 (en) 2001-07-27 2004-09-14 Hewlett-Packard Development Company, L.P. General purpose image enhancement algorithm which augments the visual perception of detail in digital images
KR100434293B1 (ko) * 2002-01-09 2004-06-05 엘지전자 주식회사 선형보간을 이용한 감마 보정 장치
US20030160901A1 (en) * 2002-02-28 2003-08-28 Topper Robert Joseph Inverse gamma correction circuit using piecewise-linear approximation
JP2003288065A (ja) * 2002-03-28 2003-10-10 Seiko Epson Corp 画像表示装置
US6705703B2 (en) 2002-04-24 2004-03-16 Hewlett-Packard Development Company, L.P. Determination of control points for construction of first color space-to-second color space look-up table
KR20030097507A (ko) * 2002-06-21 2003-12-31 삼성전자주식회사 평판 표시 장치의 색도 보정 장치 및 그 방법
US7671871B2 (en) * 2002-06-21 2010-03-02 Avid Technology, Inc. Graphical user interface for color correction using curves
US7215449B2 (en) * 2002-10-21 2007-05-08 Sharp Laboratories Of America, Inc. Anti-clipping color-image correction
US7359086B2 (en) * 2002-10-21 2008-04-15 Sharp Laboratories Of America, Inc. Graphic-interface, anti-clipping, color-image correction
KR100943274B1 (ko) * 2002-12-20 2010-02-23 삼성전자주식회사 색신호 보정장치 및 그 방법, 및 그것을 이용한영상신호처리 시스템 및 그 방법
US7319764B1 (en) * 2003-01-06 2008-01-15 Apple Inc. Method and apparatus for controlling volume
US7251832B2 (en) * 2003-03-13 2007-07-31 Drm Technologies, Llc Secure streaming container
US7042464B1 (en) * 2003-08-01 2006-05-09 Apple Computer, Inc. Methods and apparatuses for the automated display of visual effects
US7154562B1 (en) * 2003-10-14 2006-12-26 Cirrus Logic, Inc. Methods and circuits for implementing programmable gamma correction
KR100526615B1 (ko) * 2003-12-29 2005-11-08 삼성전자주식회사 디스플레이장치 및 그 제어방법
JP2005318028A (ja) * 2004-04-27 2005-11-10 Hitachi Ltd 表示装置
US7978925B1 (en) * 2005-04-16 2011-07-12 Apple Inc. Smoothing and/or locking operations in video editing
US7551179B2 (en) * 2005-08-10 2009-06-23 Seiko Epson Corporation Image display apparatus and image adjusting method
US8348755B2 (en) * 2005-08-19 2013-01-08 Bally Gaming, Inc. Power winners processing system
US8353761B2 (en) * 2005-08-19 2013-01-15 Bally Gaming, Inc. Progressive game and processing system thereof
US8382586B2 (en) * 2005-08-19 2013-02-26 Bally Gaming, Inc. Power winners processing method
US8360869B2 (en) * 2005-08-19 2013-01-29 Bally Gaming, Inc. Power winners processing engine
US9311779B2 (en) 2005-08-19 2016-04-12 Bally Gaming, Inc. Power winners processing method
JP4341597B2 (ja) * 2005-08-25 2009-10-07 セイコーエプソン株式会社 ガンマカーブ調整装置及び調整ポイント設定方法
KR100739731B1 (ko) * 2005-09-06 2007-07-13 삼성전자주식회사 표시된 화상의 인쇄를 위한 화상처리 방법 및 장치
US7912337B2 (en) * 2005-11-02 2011-03-22 Apple Inc. Spatial and temporal alignment of video sequences
ATE499797T1 (de) * 2006-11-24 2011-03-15 Bosch Gmbh Robert Prozess, vorrichtung und computerprogramm zur verbesserung der detailsichtbarkeit in einem eingangsbild
CN100583232C (zh) * 2007-06-12 2010-01-20 四川长虹电器股份有限公司 多段Gamma曲线校正过程中平滑拐点的方法
CN101075428B (zh) * 2007-06-26 2010-07-21 四川长虹电器股份有限公司 多段Gamma曲线校正方法
KR100886099B1 (ko) * 2007-06-26 2009-03-04 주식회사 코아로직 감마 보정 곡선의 자동 산출 장치 및 방법
KR100900694B1 (ko) * 2007-06-27 2009-06-04 주식회사 코아로직 비선형 저조도 보정장치, 방법 및 상기 방법을프로그램화하여 수록한 컴퓨터로 읽을 수 있는 기록매체
US20100309219A1 (en) * 2007-11-15 2010-12-09 Bongsun Lee Display calibration methods with user settings feeback
JP2009180765A (ja) * 2008-01-29 2009-08-13 Casio Comput Co Ltd 表示駆動装置、表示装置及びその駆動方法
US8401284B2 (en) * 2008-05-28 2013-03-19 Apple Inc. Color correcting method and apparatus
JP2010219624A (ja) * 2009-03-13 2010-09-30 Toshiba Corp 画像信号処理装置及び画像信号処理方法
US8566721B2 (en) * 2009-04-30 2013-10-22 Apple Inc. Editing key-indexed graphs in media editing applications
US8543921B2 (en) * 2009-04-30 2013-09-24 Apple Inc. Editing key-indexed geometries in media editing applications
US20100329646A1 (en) * 2009-06-26 2010-12-30 Loeffler Markus E System and method for remote film color correction
JP5509729B2 (ja) 2009-08-24 2014-06-04 ソニー株式会社 画像表示装置、画像表示方法及び画像処理装置
US8699821B2 (en) 2010-07-05 2014-04-15 Apple Inc. Aligning images
CN101895771B (zh) * 2010-07-09 2011-09-28 中国科学院长春光学精密机械与物理研究所 Led显示屏亮色度分离采集混合校正方法
CN102098421B (zh) * 2010-12-08 2012-09-26 四川长虹电器股份有限公司 液晶电视gamma数据自动平滑方法
CA2733860A1 (en) 2011-03-11 2012-09-11 Calgary Scientific Inc. Method and system for remotely calibrating display of image data
WO2014033732A2 (en) * 2012-07-10 2014-03-06 KPIT, Cummins Infosystems Ltd. Method and apparatus for selectively enhancing an image
US9558629B2 (en) 2013-09-19 2017-01-31 Igt Gaming system and method for providing a plurality of chances of winning a progressive award
US10325450B2 (en) 2016-09-21 2019-06-18 Igt Gaming system and method for providing a plurality of chances of winning a progressive award with dynamically scalable progressive award odds
CN112714356B (zh) * 2020-12-18 2023-03-21 北京百度网讯科技有限公司 图像亮度校正方法、装置、设备以及存储介质
CN115701129B (zh) * 2021-07-31 2024-09-10 荣耀终端有限公司 一种图像处理方法及电子设备
CN114155817B (zh) * 2021-10-29 2022-11-01 江苏泽景汽车电子股份有限公司 一种hud显示系统的色彩矫正方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3177299T4 (de) 1980-04-11 1994-05-26 Ampex Bildverarbeitungssystem für räumliche Bildtransformation.
US5050984A (en) 1983-05-09 1991-09-24 Geshwind David M Method for colorizing footage
US4710800A (en) 1984-04-27 1987-12-01 Utah Scientific Advanced Development Center, Inc. Apparatus for allowing operator selection of a color region of a video image for receiving color corrections
US4782384A (en) 1984-04-27 1988-11-01 Utah Scientific Advanced Development Center, Inc. Area isolation apparatus for video signal control system
JPH0834602B2 (ja) 1986-04-14 1996-03-29 コーポレート、コミュニケーションズ、コンサルタンツ、インコーポレーテッド 色修正方法及び色修正装置
US4954881A (en) 1986-09-08 1990-09-04 Encore Video, Inc. Method and apparatus for correcting video color signals
US5051928A (en) 1987-12-28 1991-09-24 Dubner Computer Systems, Inc. Color correction for video graphics system
US4952051A (en) 1988-09-27 1990-08-28 Lovell Douglas C Method and apparatus for producing animated drawings and in-between drawings
DE69027712T2 (de) 1989-05-19 1997-02-06 Sony Corp Verfahren zur Bildtransformation
US5252953A (en) 1990-05-22 1993-10-12 American Film Technologies, Inc. Computergraphic animation system
SE9101089L (sv) 1990-11-27 1992-05-30 Knut Christian Achates Scherma Foerfarande foer framstaellning av fraemst byggprojekteringsunderlag
FR2681967B1 (fr) 1991-10-01 1994-11-25 Electronics For Imaging Inc Procede et appareil pour modifier les couleurs d'une image a l'aide d'un ordinateur.
US5469275A (en) * 1992-08-04 1995-11-21 International Business Machines Corporation Method and apparatus for grayscale adjustment
FR2695230B1 (fr) 1992-08-26 1994-11-04 Cuadros Isabelle Procédé de création d'images animées.
JP3478553B2 (ja) * 1993-01-19 2003-12-15 富士写真フイルム株式会社 補正テーブル生成方法および装置
CA2114986A1 (en) 1993-02-08 1994-08-09 Robert T. Frankot Automatic subarea selection for image registration
US5450500A (en) 1993-04-09 1995-09-12 Pandora International Ltd. High-definition digital video processor
US5530774A (en) 1994-03-25 1996-06-25 Eastman Kodak Company Generation of depth image through interpolation and extrapolation of intermediate images derived from stereo image pair using disparity vector fields
JPH09331451A (ja) 1996-06-11 1997-12-22 Mita Ind Co Ltd 画像読取装置
US5874988A (en) 1996-07-08 1999-02-23 Da Vinci Systems, Inc. System and methods for automated color correction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7447351B2 (en) 2001-12-03 2008-11-04 Apple Inc. Color level graphical user interface
US7471823B2 (en) 2001-12-03 2008-12-30 Apple Inc. Color correction control graphical user interface

Also Published As

Publication number Publication date
EP0947955A2 (de) 1999-10-06
EP0947955B1 (de) 2001-09-12
PT947955E (pt) 2002-02-28
DK0947955T3 (da) 2001-12-17
DE69900270D1 (de) 2001-10-18
EP0947955A3 (de) 1999-10-27
US6266103B1 (en) 2001-07-24
DE69900270T2 (de) 2002-07-25

Similar Documents

Publication Publication Date Title
ATE205621T1 (de) Vorrichtung zur erzeugung von angepassten gamma- kurven für einer farbkorrekturanlage
US4183046A (en) Electronic apparatus for converting digital image or graphics data to color video display formats and method therefor
US4554857A (en) Electronic musical instrument capable of varying a tone synthesis operation algorithm
US6215468B1 (en) Circuit for converting an 8-bit input video signal into a 10-bit gamma corrected output video signal
KR920022912A (ko) 멀티스크린 디스플레이 장치
US4975861A (en) Color conversion image processing system with modified intensity information calculation
KR950025515A (ko) 룩-업-테이블장치
GB0125980D0 (en) Method and apparatus for selecting a password
EP0762739A3 (de) Gammakorrekturschaltung
EP0476817B1 (de) Verfahren und Vorrichtung zur digitalen Verarbeitung des Gammas, des Schwarzwertes und des Verstärkungsfaktors
EP0088583B1 (de) Bildverarbeitungseinrichtung
KR880012084A (ko) 애퍼튜어 보정회로
US5473372A (en) Gamma correction circuit approximating non-linear digital conversion
MY129375A (en) Gradation correction device
EP0675593A1 (de) Formender Digitalrauschgenerator und Verfahren
KR970701976A (ko) 화상 데이터의 색변환 장치 및 화상 데이터의 색변환 방법(Color conversion apparatus for image data and color conversion method for image data)
KR980013447A (ko) 색 보정 장치(Color Electronics Co., Ltd)
WO1992003855A3 (en) System and method of selecting the reproducible colors in a discrete reproduction system
US20020030651A1 (en) Display device and liquid crystal projector
KR100219543B1 (ko) 축소된 룩업 테이블을 이용한 비선형 함수 발생장치
WO1999052096A3 (en) Image display system
ATE176366T1 (de) Verfahren und vorrichtung zur farbraumumwandlung unter verwendung von farbwerttabellen
BR0304670A (pt) Otimização de preto com base em meio tom
JPS6457382A (en) Mask displaying and processing system
JPS6345973A (ja) 中間調画像処理装置

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee