DE69222247T2 - Gammakorrektur und invertierte Gammakorrektur mit Nachschlagtabellen für hochauflösende Rasterpuffer - Google Patents

Gammakorrektur und invertierte Gammakorrektur mit Nachschlagtabellen für hochauflösende Rasterpuffer

Info

Publication number
DE69222247T2
DE69222247T2 DE69222247T DE69222247T DE69222247T2 DE 69222247 T2 DE69222247 T2 DE 69222247T2 DE 69222247 T DE69222247 T DE 69222247T DE 69222247 T DE69222247 T DE 69222247T DE 69222247 T2 DE69222247 T2 DE 69222247T2
Authority
DE
Germany
Prior art keywords
gamma correction
look
tables
inverted
resolution raster
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
DE69222247T
Other languages
English (en)
Other versions
DE69222247D1 (de
Inventor
Sung Min Choi
Leon Lumelsky
Alan Wesley Peevers
John Louis Pittas
Calvin Bruce Swart
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69222247D1 publication Critical patent/DE69222247D1/de
Application granted granted Critical
Publication of DE69222247T2 publication Critical patent/DE69222247T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G09G5/04—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using circuits for interfacing with colour displays
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
    • G09G1/28—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using colour tubes
    • G09G1/285—Interfacing with colour displays, e.g. TV receiver
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
DE69222247T 1991-07-22 1992-07-16 Gammakorrektur und invertierte Gammakorrektur mit Nachschlagtabellen für hochauflösende Rasterpuffer Expired - Fee Related DE69222247T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/733,576 US5196924A (en) 1991-07-22 1991-07-22 Look-up table based gamma and inverse gamma correction for high-resolution frame buffers

Publications (2)

Publication Number Publication Date
DE69222247D1 DE69222247D1 (de) 1997-10-23
DE69222247T2 true DE69222247T2 (de) 1998-03-26

Family

ID=24948216

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69222247T Expired - Fee Related DE69222247T2 (de) 1991-07-22 1992-07-16 Gammakorrektur und invertierte Gammakorrektur mit Nachschlagtabellen für hochauflösende Rasterpuffer

Country Status (4)

Country Link
US (1) US5196924A (de)
EP (1) EP0525527B1 (de)
JP (1) JP2519000B2 (de)
DE (1) DE69222247T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005015674A1 (de) * 2005-04-06 2006-10-12 Silicon Touch Technology, Inc. Gamma-Einstellverfahren für einen Mehrkanaltreiber eines Monitors und Gerät hierfür

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3159392B2 (ja) * 1991-04-16 2001-04-23 富士写真フイルム株式会社 画像メモリ装置およびその動作方法
CA2093842A1 (en) * 1992-07-30 1994-01-31 Albert D. Edgar System and method for image mapping in linear space
CA2095756C (en) * 1992-08-14 2001-04-24 Albert D. Edgar Method and apparatus for linear color processing
US5535020A (en) * 1992-10-15 1996-07-09 Digital Equipment Corporation Void and cluster apparatus and method for generating dither templates
US5495345A (en) * 1992-10-15 1996-02-27 Digital Equipment Corporation Imaging system with two level dithering using comparator
US5508822A (en) * 1992-10-15 1996-04-16 Digital Equipment Corporation Imaging system with multilevel dithering using single memory
JP3124648B2 (ja) * 1993-03-19 2001-01-15 富士通株式会社 色データ管理方法及び装置
BE1007211A5 (nl) * 1993-06-10 1995-04-25 Barco Werkwijze en inrichting voor het converteren van een beeld.
US5398076A (en) * 1993-12-16 1995-03-14 Ati Technologies, Inc. Gamma correcting processing of video signals
US5604430A (en) * 1994-10-11 1997-02-18 Trw Inc. Solar array maximum power tracker with arcjet load
US5734419A (en) * 1994-10-21 1998-03-31 Lucent Technologies Inc. Method of encoder control
US5565931A (en) * 1994-10-31 1996-10-15 Vivo Software. Inc. Method and apparatus for applying gamma predistortion to a color image signal
US5739805A (en) * 1994-12-15 1998-04-14 David Sarnoff Research Center, Inc. Matrix addressed LCD display having LCD age indication, and autocalibrated amplification driver, and a cascaded column driver with capacitor-DAC operating on split groups of data bits
KR960024524A (ko) * 1994-12-21 1996-07-20 김광호 기억소자를 이용한 액정 표시장치의 감마 보정장치
GB9502717D0 (en) * 1995-02-10 1995-03-29 Innovation Tk Ltd Digital image processing
US6690389B2 (en) * 1995-04-25 2004-02-10 Compaq Computer Corporation Tone modifying dithering system
JP3322809B2 (ja) 1995-10-24 2002-09-09 富士通株式会社 ディスプレイ駆動方法及び装置
JPH09271036A (ja) * 1996-03-29 1997-10-14 Nec Corp カラー画像表示方法及び装置
US6166781A (en) * 1996-10-04 2000-12-26 Samsung Electronics Co., Ltd. Non-linear characteristic correction apparatus and method therefor
TW498273B (en) 1997-07-25 2002-08-11 Koninkl Philips Electronics Nv Digital monitor
US6975079B2 (en) * 1997-08-26 2005-12-13 Color Kinetics Incorporated Systems and methods for controlling illumination sources
US6285411B1 (en) * 1997-10-10 2001-09-04 Philips Electronics North America Corporation Circuit for video moiré reduction
US7034785B2 (en) * 1997-11-20 2006-04-25 Sanyo Electric Co., Ltd. Color liquid crystal display
US6297835B1 (en) * 1998-10-05 2001-10-02 Ati International Srl Method and apparatus for processing data as different sizes
US6441870B1 (en) * 1998-12-22 2002-08-27 Gateway, Inc. Automatic gamma correction for multiple video sources
US6920443B1 (en) 1999-09-21 2005-07-19 International Business Machines, Corporation Method, system, program, and data structure for transforming database tables
US7120638B1 (en) * 1999-09-21 2006-10-10 International Business Machines Corporation Method, system, program, and data structure for cleaning a database table
US6748389B1 (en) 1999-09-21 2004-06-08 International Business Machines Corporation Method, system, and program for inverting columns in a database table
US6965888B1 (en) 1999-09-21 2005-11-15 International Business Machines Corporation Method, system, program, and data structure for cleaning a database table using a look-up table
US6604095B1 (en) 1999-09-21 2003-08-05 International Business Machines Corporation Method, system, program, and data structure for pivoting columns in a database table
US6727959B2 (en) * 1999-11-22 2004-04-27 Conexant Systems, Inc. System of and method for gamma correction of real-time video
US6791576B1 (en) 2000-02-23 2004-09-14 Neomagic Corp. Gamma correction using double mapping with ratiometrically-related segments of two different ratios
US6507347B1 (en) * 2000-03-24 2003-01-14 Lighthouse Technologies Ltd. Selected data compression for digital pictorial information
US6771839B2 (en) * 2001-02-20 2004-08-03 Sharp Laboratories Of America, Inc. Efficient method of computing gamma correction tables
JP3428589B2 (ja) * 2001-03-30 2003-07-22 ミノルタ株式会社 画像処理プログラムが格納された記録媒体、画像処理プログラム、画像処理装置
US7221381B2 (en) * 2001-05-09 2007-05-22 Clairvoyante, Inc Methods and systems for sub-pixel rendering with gamma adjustment
US7307646B2 (en) * 2001-05-09 2007-12-11 Clairvoyante, Inc Color display pixel arrangements and addressing means
US7184066B2 (en) 2001-05-09 2007-02-27 Clairvoyante, Inc Methods and systems for sub-pixel rendering with adaptive filtering
US7123277B2 (en) * 2001-05-09 2006-10-17 Clairvoyante, Inc. Conversion of a sub-pixel format data to another sub-pixel data format
US7046255B2 (en) * 2001-06-28 2006-05-16 Hewlett-Packard Development Company, L.P. Hardware-based accelerated color correction filtering system
JP2003032513A (ja) * 2001-07-17 2003-01-31 Sanyo Electric Co Ltd 画像信号処理装置
US7492379B2 (en) * 2002-01-07 2009-02-17 Samsung Electronics Co., Ltd. Color flat panel display sub-pixel arrangements and layouts for sub-pixel rendering with increased modulation transfer function response
US7417648B2 (en) 2002-01-07 2008-08-26 Samsung Electronics Co. Ltd., Color flat panel display sub-pixel arrangements and layouts for sub-pixel rendering with split blue sub-pixels
US7755652B2 (en) * 2002-01-07 2010-07-13 Samsung Electronics Co., Ltd. Color flat panel display sub-pixel rendering and driver configuration for sub-pixel arrangements with split sub-pixels
KR20030090849A (ko) * 2002-05-22 2003-12-01 엘지전자 주식회사 영상 디스플레이 장치
US20040066388A1 (en) * 2002-07-16 2004-04-08 Leather Mark M. Method and apparatus for improved transform functions for non gamma corrected graphics systems
AU2003249428A1 (en) 2002-08-19 2004-03-03 Koninklijke Philips Electronics N.V. Video circuit
WO2004017286A2 (en) * 2002-08-19 2004-02-26 Koninklijke Philips Electronics N.V. Video circuit
US7046256B2 (en) * 2003-01-22 2006-05-16 Clairvoyante, Inc System and methods of subpixel rendering implemented on display panels
US20040150654A1 (en) * 2003-01-31 2004-08-05 Willis Donald Henry Sparkle reduction using a split gamma table
US7167186B2 (en) * 2003-03-04 2007-01-23 Clairvoyante, Inc Systems and methods for motion adaptive filtering
US20040196302A1 (en) 2003-03-04 2004-10-07 Im Moon Hwan Systems and methods for temporal subpixel rendering of image data
JP2004301976A (ja) * 2003-03-31 2004-10-28 Nec Lcd Technologies Ltd 映像信号処理装置
EP1467346B1 (de) 2003-04-07 2012-03-07 Samsung Electronics Co., Ltd. Flüssigkristallanzeige und Verfahren zu deren Ansteuerung
US7352374B2 (en) * 2003-04-07 2008-04-01 Clairvoyante, Inc Image data set with embedded pre-subpixel rendered image
US20040233308A1 (en) * 2003-05-20 2004-11-25 Elliott Candice Hellen Brown Image capture device and camera
US7230584B2 (en) * 2003-05-20 2007-06-12 Clairvoyante, Inc Projector systems with reduced flicker
US7268748B2 (en) * 2003-05-20 2007-09-11 Clairvoyante, Inc Subpixel rendering for cathode ray tube devices
US7209105B2 (en) * 2003-06-06 2007-04-24 Clairvoyante, Inc System and method for compensating for visual effects upon panels having fixed pattern noise with reduced quantization error
US20040246280A1 (en) * 2003-06-06 2004-12-09 Credelle Thomas Lloyd Image degradation correction in novel liquid crystal displays
US7084923B2 (en) * 2003-10-28 2006-08-01 Clairvoyante, Inc Display system having improved multiple modes for displaying image data from multiple input source formats
US7525526B2 (en) * 2003-10-28 2009-04-28 Samsung Electronics Co., Ltd. System and method for performing image reconstruction and subpixel rendering to effect scaling for multi-mode display
JP4311166B2 (ja) * 2003-11-05 2009-08-12 ソニー株式会社 情報信号の処理装置および処理方法、それに使用される係数種データの生成装置および生成方法、並びに各方法を実行するためのプログラム、そのプログラムを記録した媒体
US7248268B2 (en) * 2004-04-09 2007-07-24 Clairvoyante, Inc Subpixel rendering filters for high brightness subpixel layouts
US7590299B2 (en) * 2004-06-10 2009-09-15 Samsung Electronics Co., Ltd. Increasing gamma accuracy in quantized systems
CN100397443C (zh) * 2004-06-18 2008-06-25 点晶科技股份有限公司 应用于显示器的多通道驱动器的伽玛调校方法及其装置
JP2006259663A (ja) * 2004-06-30 2006-09-28 Canon Inc 画像処理方法、画像表示装置、映像受信表示装置および画像処理装置
JP4613702B2 (ja) * 2004-09-30 2011-01-19 日本電気株式会社 ガンマ補正、画像処理方法及びプログラム、並びにガンマ補正回路、画像処理装置、表示装置
CN100527856C (zh) * 2005-06-30 2009-08-12 华为技术有限公司 伽玛特性的校正方法
JP4870151B2 (ja) * 2006-03-22 2012-02-08 シャープ株式会社 液晶表示装置およびテレビジョン受信機
US20080007565A1 (en) * 2006-07-03 2008-01-10 Shinichi Nogawa Color correction circuit, driving device, and display device
US7876341B2 (en) * 2006-08-28 2011-01-25 Samsung Electronics Co., Ltd. Subpixel layouts for high brightness displays and systems
US8018476B2 (en) 2006-08-28 2011-09-13 Samsung Electronics Co., Ltd. Subpixel layouts for high brightness displays and systems
US20080068293A1 (en) * 2006-09-19 2008-03-20 Tvia, Inc. Display Uniformity Correction Method and System
US20080068396A1 (en) * 2006-09-19 2008-03-20 Tvia, Inc. Gamma Uniformity Correction Method and System
US20080068404A1 (en) * 2006-09-19 2008-03-20 Tvia, Inc. Frame Rate Controller Method and System
EP2026278A1 (de) 2007-08-06 2009-02-18 Agfa HealthCare NV Verfahren zur Erhöhung des Kontrasts in einem Bild
EP2048616A1 (de) 2007-10-08 2009-04-15 Agfa HealthCare NV Verfahren zur Generierung eines kontrastverstärkten, mehrskaligen Bildes
EP2071513A1 (de) 2007-12-10 2009-06-17 Agfa HealthCare NV Multiskalares Verfahren zur Kontrastverschärfung eines Bildes
CN102254524B (zh) * 2010-05-21 2013-07-24 晨星软件研发(深圳)有限公司 使第一显示器呈现第二显示器影像特征的装置及方法
US20130322552A1 (en) * 2011-12-12 2013-12-05 Animesh Mishra Capturing Multiple Video Channels for Video Analytics and Encoding
US20180096641A1 (en) * 2016-09-30 2018-04-05 Himax Display, Inc. Gamma improvement method and associated electronic device

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217574A (en) * 1976-08-09 1980-08-12 Gte Laboratories Incorporated Analog to digital converter having nonlinear amplitude transformation
US4317114A (en) * 1980-05-12 1982-02-23 Cromemco Inc. Composite display device for combining image data and method
US4394688A (en) * 1981-08-25 1983-07-19 Hamamatsu Systems, Inc. Video system having an adjustable digital gamma correction for contrast enhancement
JPS5863989A (ja) * 1981-10-13 1983-04-16 大日本スクリ−ン製造株式会社 デジタル画像処理装置における出力デ−タの階調補正方法
US4438495A (en) * 1981-11-13 1984-03-20 General Electric Company Tomography window-level gamma functions
US4599611A (en) * 1982-06-02 1986-07-08 Digital Equipment Corporation Interactive computer-based information display system
US4568978A (en) * 1982-06-30 1986-02-04 U.S. Philips Corporation Method of a circuit arrangement for producing a gamma corrected video signal
JPS5934776A (ja) * 1982-08-20 1984-02-25 Olympus Optical Co Ltd 画像信号処理装置
JPS60139080A (ja) * 1983-12-27 1985-07-23 Canon Inc 画像処理装置
US4727434A (en) * 1984-03-14 1988-02-23 Canon Kabushiki Kaisha Image processing apparatus for rapid production of a hard copy of a video image in which input image signal processing parameters are set while a record medium is being positioned at a recording position
US4805013A (en) * 1984-09-05 1989-02-14 Canon Kabushiki Kaisha Image data conversion system
US4800442A (en) * 1985-08-15 1989-01-24 Canon Kabushiki Kaisha Apparatus for generating an image from a digital video signal
US4688095A (en) * 1986-02-07 1987-08-18 Image Technology Incorporated Programmable image-transformation system
JPS63290539A (ja) * 1987-05-22 1988-11-28 Olympus Optical Co Ltd 内視鏡用画像入力装置
US4786968A (en) * 1987-07-16 1988-11-22 Sony Corporation Gamma correction of digital video data by calculating linearly interpolated gamma correction values
JP2590931B2 (ja) * 1987-09-18 1997-03-19 松下電器産業株式会社 信号補正回路
US5089890A (en) * 1989-02-06 1992-02-18 Canon Kabushiki Kaisha Gamma correction device
JPH02206283A (ja) * 1989-02-06 1990-08-16 Canon Inc ガンマ補正装置
US4999702A (en) * 1989-04-07 1991-03-12 Tektronix, Inc. Method and apparatus for processing component signals to preserve high frequency intensity information
JPH03276968A (ja) * 1989-09-19 1991-12-09 Ikegami Tsushinki Co Ltd 非線形量子化回路の誤差補正方法および回路
US5012163A (en) * 1990-03-16 1991-04-30 Hewlett-Packard Co. Method and apparatus for gamma correcting pixel value data in a computer graphics system
US5047861A (en) * 1990-07-31 1991-09-10 Eastman Kodak Company Method and apparatus for pixel non-uniformity correction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005015674A1 (de) * 2005-04-06 2006-10-12 Silicon Touch Technology, Inc. Gamma-Einstellverfahren für einen Mehrkanaltreiber eines Monitors und Gerät hierfür
DE102005015674B4 (de) * 2005-04-06 2007-10-25 Silicon Touch Technology, Inc. Gamma-Einstellungsverfahren für einen Mehrkanaltreiber eines Monitors und Gerät desselben

Also Published As

Publication number Publication date
JP2519000B2 (ja) 1996-07-31
JPH05219412A (ja) 1993-08-27
EP0525527B1 (de) 1997-09-17
EP0525527A3 (en) 1994-09-28
EP0525527A2 (de) 1993-02-03
DE69222247D1 (de) 1997-10-23
US5196924A (en) 1993-03-23

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