CA2044558A1 - Methode et dispositif de conversion de signaux video couleur - Google Patents

Methode et dispositif de conversion de signaux video couleur

Info

Publication number
CA2044558A1
CA2044558A1 CA2044558A CA2044558A CA2044558A1 CA 2044558 A1 CA2044558 A1 CA 2044558A1 CA 2044558 A CA2044558 A CA 2044558A CA 2044558 A CA2044558 A CA 2044558A CA 2044558 A1 CA2044558 A1 CA 2044558A1
Authority
CA
Canada
Prior art keywords
cymk
rgb
display
look
frame buffer
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.)
Granted
Application number
CA2044558A
Other languages
English (en)
Other versions
CA2044558C (fr
Inventor
David M. Smith
Keith E. Sorenson
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.)
Pinnacle Systems Inc
Original Assignee
RasterOps 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 RasterOps Corp filed Critical RasterOps Corp
Publication of CA2044558A1 publication Critical patent/CA2044558A1/fr
Application granted granted Critical
Publication of CA2044558C publication Critical patent/CA2044558C/fr
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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6011—Colour correction or control with simulation on a subsidiary picture reproducer
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Image Processing (AREA)
  • Processing Of Color Television Signals (AREA)
CA002044558A 1990-07-09 1991-06-13 Methode et dispositif de conversion de signaux video couleur Expired - Fee Related CA2044558C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55027290A 1990-07-09 1990-07-09
US07/550,272 1990-07-09

Publications (2)

Publication Number Publication Date
CA2044558A1 true CA2044558A1 (fr) 1992-01-10
CA2044558C CA2044558C (fr) 1995-06-13

Family

ID=24196459

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002044558A Expired - Fee Related CA2044558C (fr) 1990-07-09 1991-06-13 Methode et dispositif de conversion de signaux video couleur

Country Status (4)

Country Link
US (1) US5289565A (fr)
EP (1) EP0466374A3 (fr)
JP (1) JPH04288590A (fr)
CA (1) CA2044558C (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2238928B (en) * 1989-09-05 1994-06-08 Canon Kk Image data converting method and image processing apparatus
US5262847A (en) * 1992-10-20 1993-11-16 International Business Machines Corporation Method of converting luminance-color difference video signal to a three color component video signal
US5748195A (en) * 1992-10-29 1998-05-05 International Business Machines Corporation Method and means for evaluating a tetrahedral linear interpolation function
JP2999348B2 (ja) * 1993-07-23 2000-01-17 三田工業株式会社 画像形成装置のシミュレーションシステム
US5436641A (en) * 1994-03-03 1995-07-25 Cirrus Logic, Inc. Flexible graphics interface for multiple display modes
US5734419A (en) * 1994-10-21 1998-03-31 Lucent Technologies Inc. Method of encoder control
EP0789891A1 (fr) * 1994-10-31 1997-08-20 Vivo Software, Inc. Procede et appareil pour convertir en un espace a composantes chromatiques des signaux d'image numeriques issus d'un espace chromatique a difference de luminance et de couleur
EP0734010B1 (fr) * 1995-03-21 2005-01-26 Sun Microsystems, Inc. Détection de l'identification de trames vidéo
US5696534A (en) * 1995-03-21 1997-12-09 Sun Microsystems Inc. Time multiplexing pixel frame buffer video output
US6137594A (en) * 1997-03-25 2000-10-24 International Business Machines Corporation System, method and program for converting an externally defined colorant CMYK into an equivalent colorant (C'M'Y'K') associated with a given printer
US5987168A (en) * 1997-03-25 1999-11-16 International Business Machines Corporation System, method, and program for converting three dimensional colorants to more than three dimensional colorants
KR101030534B1 (ko) * 2003-12-24 2011-04-21 엘지디스플레이 주식회사 액정표시장치의 구동방법 및 구동장치
US9460546B1 (en) 2011-03-30 2016-10-04 Nvidia Corporation Hierarchical structure for accelerating ray tracing operations in scene rendering
US8970584B1 (en) 2011-06-24 2015-03-03 Nvidia Corporation Bounding box-based techniques for improved sample test efficiency in image rendering
US9142043B1 (en) 2011-06-24 2015-09-22 Nvidia Corporation System and method for improved sample test efficiency in image rendering
US9153068B2 (en) 2011-06-24 2015-10-06 Nvidia Corporation Clipless time and lens bounds for improved sample test efficiency in image rendering
US9269183B1 (en) 2011-07-31 2016-02-23 Nvidia Corporation Combined clipless time and lens bounds for improved sample test efficiency in image rendering
US9305394B2 (en) 2012-01-27 2016-04-05 Nvidia Corporation System and process for improved sampling for parallel light transport simulation
US9171394B2 (en) 2012-07-19 2015-10-27 Nvidia Corporation Light transport consistent scene simplification within graphics display system
US9159158B2 (en) 2012-07-19 2015-10-13 Nvidia Corporation Surface classification for point-based rendering within graphics display system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56123540A (en) * 1980-03-04 1981-09-28 Dainippon Printing Co Ltd Color reproducing method in print color simulator
JPS5875965A (ja) * 1981-10-31 1983-05-07 Toshiba Corp カラ−印刷装置
US4517590A (en) * 1981-10-31 1985-05-14 Tokyo Shibaura Denki Kabushiki Kaisha Color printing apparatus
GB8500493D0 (en) * 1985-01-09 1985-02-13 Crosfield Electronics Ltd Video retouching systems
US4897806A (en) * 1985-06-19 1990-01-30 Pixar Pseudo-random point sampling techniques in computer graphics
GB8516232D0 (en) * 1985-06-27 1985-07-31 Crosfield Electronics Ltd Colour displays
JP2621864B2 (ja) * 1987-04-01 1997-06-18 株式会社リコー デジタルカラー複写機
IL86107A (en) * 1988-04-18 1991-12-15 Scitex Corp Ltd Color conversion display apparatus and method
US4959790A (en) * 1988-06-28 1990-09-25 F & S Corporation Of Columbus, Georgia Apparatus and method for producing color corrected reproduction of colored original images
US4924301A (en) * 1988-11-08 1990-05-08 Seecolor Corporation Apparatus and methods for digital halftoning

Also Published As

Publication number Publication date
JPH04288590A (ja) 1992-10-13
EP0466374A3 (en) 1992-06-10
EP0466374A2 (fr) 1992-01-15
US5289565A (en) 1994-02-22
CA2044558C (fr) 1995-06-13

Similar Documents

Publication Publication Date Title
CA2044558A1 (fr) Methode et dispositif de conversion de signaux video couleur
TW200516334A (en) Electrophoretic display activation with blanking frames
AU589165B2 (en) Compression of pixels in a reduced-size video image
AU6543896A (en) Apparatus and method for displaying binary images
CA2081643A1 (fr) Dispositif de traitement d'images
CA2024762A1 (fr) Methode et appareil de juxtaposition pour vecteurs a anticrenelage
TW329003B (en) Method of and apparatus for displaying halftone images
CA2187862A1 (fr) Lecture acceleree d'images video pleine page
CA2177112A1 (fr) Appareil et methode de survol de donnees
CA2091155A1 (fr) Methode et dispositif pour reproduire sur un afficheur electronique les couleurs de colorants melanges
GB2297217A (en) Digital video processing
CA2130753A1 (fr) Panneau d'affichage par electrophorese et methodes connexes permettant d'effacer un seul pixel
CA2226587A1 (fr) Communication de donnees vbi dans des trains de donnees de television numerique
EP0737406A1 (fr) Procede et dispositif permettant d'afficher des images video stereoscopiques sur un ecran de visualisation
EP0854440A3 (fr) Appareil de traitement d'images capable de générer des images basées sur des données de transmittance
CA2118131A1 (fr) Architecture de tampon a donnees visuelles
CA2047898A1 (fr) Dispositif de modulation de la vitesse de balayage d'un faisceau dote d'un circuit de blocage
CA2055702A1 (fr) Appareil de commande d'etendue d'affichage et unite de stockage externe utilisee avec cet appareil
EP0809230A3 (fr) ContrÔleur d'affichage avec tampon de demi-trame interne et systèmes et méthodes utilisant le même
MY104798A (en) Gradation correcting apparatus for correcting luminance signal in accordance with detected color signal.
CA2095756A1 (fr) Methode et dispositif de traitement de signaux d'images en couleurs
EP0730372A3 (fr) Panneau d'affichage vidéo multi-standard
EP1615167A4 (fr) Procede et dispositif d'affichage d'image monochromatique a plusieurs gradations, ordinateur, dispositif d'affichage monochromatique, adaptateur de reconversion, et carte video
EP1133149A3 (fr) Dispositif d'enregistrement pour l'enregistrement d'images fixes et d'images vidéos en correspondance les unes avec les autres, et dispositif de reproduction pour la reproduction de celles-ci
EP0780844A3 (fr) Feuilletage de coupure et appareil d'édition

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed