FR2869144A1 - Procede de gestion graphique de vecteurs a contours sombres - Google Patents

Procede de gestion graphique de vecteurs a contours sombres

Info

Publication number
FR2869144A1
FR2869144A1 FR0404144A FR0404144A FR2869144A1 FR 2869144 A1 FR2869144 A1 FR 2869144A1 FR 0404144 A FR0404144 A FR 0404144A FR 0404144 A FR0404144 A FR 0404144A FR 2869144 A1 FR2869144 A1 FR 2869144A1
Authority
FR
France
Prior art keywords
vector
symbological
colored
images
dark
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
FR0404144A
Other languages
English (en)
Other versions
FR2869144B1 (fr
Inventor
David Arneau
Eric Filliatre
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.)
Thales SA
Original Assignee
Thales SA
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 Thales SA filed Critical Thales SA
Priority to FR0404144A priority Critical patent/FR2869144B1/fr
Priority to PCT/EP2005/051736 priority patent/WO2005114581A1/fr
Priority to CA002563804A priority patent/CA2563804A1/fr
Priority to US11/587,054 priority patent/US7554552B2/en
Priority to EP05735609A priority patent/EP1738327A1/fr
Publication of FR2869144A1 publication Critical patent/FR2869144A1/fr
Application granted granted Critical
Publication of FR2869144B1 publication Critical patent/FR2869144B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/20—Drawing from basic elements, e.g. lines or circles
    • G06T11/203—Drawing of straight lines or curves

Abstract

Le domaine de l'invention est celui des bibliothèques graphiques fournissant des fonctions graphiques utilisées pour le tracé d'images symbologiques. Un des domaines d'application privilégiée est la génération d'images symbologiques pour le pilotage des aéronefs.L'objet de l'invention est de proposer un procédé de génération graphique d'un vecteur (V) coloré entouré d'un contour sombre (H) sur un fond (F) également coloré en un seul tracé, permettant de conserver la fonction d'antialiasing. Le procédé utilise deux lois de mélange différentes dépendant de la position du pixel du vecteur par rapport à l'axe central du vecteur. Ce procédé présente les avantages suivants :• On optimise les calculs et on évite les écritures successives dans la mémoire-tampon ;• Le contour sombre se trace en même temps que le vecteur dont il fait partie intégrante et devient ainsi un état fonctionnel du vecteur ;• Le procédé prend en compte la priorité des vecteurs entre eux avec une seule logique d'ordonnancement.
FR0404144A 2004-04-20 2004-04-20 Procede de gestion graphique de vecteurs a contours sombres Expired - Fee Related FR2869144B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0404144A FR2869144B1 (fr) 2004-04-20 2004-04-20 Procede de gestion graphique de vecteurs a contours sombres
PCT/EP2005/051736 WO2005114581A1 (fr) 2004-04-20 2005-04-20 Procede de generation graphique de vecteurs a contours sombres
CA002563804A CA2563804A1 (fr) 2004-04-20 2005-04-20 Procede de generation graphique de vecteurs a contours sombres
US11/587,054 US7554552B2 (en) 2004-04-20 2005-04-20 Method of graphical generation of vectors with dark contours
EP05735609A EP1738327A1 (fr) 2004-04-20 2005-04-20 Procede de generation graphique de vecteurs a contours sombres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0404144A FR2869144B1 (fr) 2004-04-20 2004-04-20 Procede de gestion graphique de vecteurs a contours sombres

Publications (2)

Publication Number Publication Date
FR2869144A1 true FR2869144A1 (fr) 2005-10-21
FR2869144B1 FR2869144B1 (fr) 2006-07-21

Family

ID=34945435

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0404144A Expired - Fee Related FR2869144B1 (fr) 2004-04-20 2004-04-20 Procede de gestion graphique de vecteurs a contours sombres

Country Status (5)

Country Link
US (1) US7554552B2 (fr)
EP (1) EP1738327A1 (fr)
CA (1) CA2563804A1 (fr)
FR (1) FR2869144B1 (fr)
WO (1) WO2005114581A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2869145B1 (fr) * 2004-04-20 2006-09-15 Thales Sa Procede de gestion de lignes graphiques
FR2900527B1 (fr) * 2006-04-26 2008-09-26 Thales Sa Procede de codage d'une image numerique couleur comportant une information de ponderation
EP2573670B1 (fr) * 2011-09-16 2017-12-20 Huawei Device (Dongguan) Co., Ltd. Procédé et dispositif d'affichage de caractères

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5243695A (en) * 1990-05-24 1993-09-07 Rockwell International Corporation Method and apparatus for generating anti-aliased lines on a video display
US6133901A (en) * 1998-03-31 2000-10-17 Silicon Graphics, Inc. Method and system for width independent antialiasing
EP1074938A2 (fr) * 1999-07-30 2001-02-07 Mitsubishi Denki Kabushiki Kaisha Anticrénelage par échantillons de lignes
US6329977B1 (en) * 1998-03-10 2001-12-11 Compaq Computer Corporation Pre-filtered antialiased lines using distance functions
US20020158979A1 (en) * 2001-02-06 2002-10-31 Jaspers Cornelis Antonie Maria Contour filter for image sensor output signals

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2723797B1 (fr) * 1994-08-19 1996-09-20 Sextant Avionique Procede de codage de memoire image
US20020141003A1 (en) * 2001-01-16 2002-10-03 Sharp Laboratories Of America, Inc. Method of three dimensional color vector determinant for automatic kanji and chinese character detection and enhancement
US20050063596A1 (en) * 2001-11-23 2005-03-24 Yosef Yomdin Encoding of geometric modeled images
US7609894B2 (en) * 2004-02-17 2009-10-27 Corel Corporation Adaptive sampling region for a region editing tool
US7760956B2 (en) * 2005-05-12 2010-07-20 Hewlett-Packard Development Company, L.P. System and method for producing a page using frames of a video stream

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5243695A (en) * 1990-05-24 1993-09-07 Rockwell International Corporation Method and apparatus for generating anti-aliased lines on a video display
US6329977B1 (en) * 1998-03-10 2001-12-11 Compaq Computer Corporation Pre-filtered antialiased lines using distance functions
US6133901A (en) * 1998-03-31 2000-10-17 Silicon Graphics, Inc. Method and system for width independent antialiasing
EP1074938A2 (fr) * 1999-07-30 2001-02-07 Mitsubishi Denki Kabushiki Kaisha Anticrénelage par échantillons de lignes
US20020158979A1 (en) * 2001-02-06 2002-10-31 Jaspers Cornelis Antonie Maria Contour filter for image sensor output signals

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GUPTA S ET AL: "Filtering edges for gray-scale displays", COMPUTER GRAPHICS USA, vol. 15, no. 3, August 1981 (1981-08-01), pages 1 - 5, XP002305181, ISSN: 0097-8930 *

Also Published As

Publication number Publication date
WO2005114581A1 (fr) 2005-12-01
US20070177795A1 (en) 2007-08-02
FR2869144B1 (fr) 2006-07-21
CA2563804A1 (fr) 2005-12-01
EP1738327A1 (fr) 2007-01-03
US7554552B2 (en) 2009-06-30

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Effective date: 20131231