RefDoc
Haut

Faire une nouvelle recherche
Make a new search
Lancer la recherche


Titre du document / Document title

DottyToto: A measurement engine for aligning multi-projector display systems

Auteur(s) / Author(s)

HERELD Mark (1 2) ; JUDSON Ivan R. (1) ; STEVENS Rick (1 2 3) ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

(1) Argonne National Laboratory, ETATS-UNIS
(2) Computation Institute, Argonne National Laboratory and The University of Chicago, ETATS-UNIS
(3) Dept. Of Computer Science, The University of Chicago, ETATS-UNIS

Résumé / Abstract

Tiled displays systems built by combining the images from arrays of projectors can provide huge numbers of pixel elements to applications needing to visually represent lots of information. Such applications are already coming into wide usage and include large scientific visualizations, collaborative virtual environments, and rich multimedia spaces. It is, however, difficult to create the illusion of a unified seamless display for a variety of reasons including optical distortion of the individual projector images due to imperfections in the lenses and basic alignment of the projectors. In this paper we describe an efficient and optimized measurement process using inexpensive components that is tolerant of a wide range of imperfections in components and measurement setup (lighting conditions, camera optics, etc.). Our method nonetheless is capable of accurate and detailed measurement of the layout of all projector images, including the generation of a detailed model of the distortions in each projector optical system. It performs these measurements on the entire array of projectors at once. Once the detailed mapping between projector pixels and mural pixels is measured, the resulting relations can be used in any of a number of ways to improve the appearance of images projected on the display.

Revue / Journal Title

SPIE proceedings series  

Source / Source

Congrès
Projection displays IX :   ( Santa Clara CA, 22-23 January 2003 )
Projection displays. Conference No9, Santa Clara CA , ETATS-UNIS (22/01/2003)
2003  , vol. 5002, pp. 73-86[Note(s) : V, 166 p., ] [Document : 14 p.] (12 ref.) ISBN 0-8194-4802-8 ;  Illustration : Illustration ;

Langue / Language

Anglais

Editeur / Publisher

Society of Photo-Optical Instrumentation Engineers, Bellingham, WA, INTERNATIONAL  (1988) (Revue)
SPIE, Bellingham WA, ETATS-UNIS  (2003) (Monographie)

Mots-clés anglais / English Keywords

Circuit design

;

Mapping

;

Optical projectors

;

Imaging

;

Integrated circuit layout

;

Light source

;

Optimization

;

Image projector

;

Multimedia

;

Virtual reality

;

Visualization

;

Display equipment

;

Mots-clés français / French Keywords

Conception circuit

;

Mappage

;

Projecteur optique

;

Formation image

;

Implantation circuit intégré

;

Source lumineuse

;

Optimisation

;

Projecteur image

;

Multimédia

;

Réalité virtuelle

;

Visualisation

;

Equipement affichage

;

Mots-clés espagnols / Spanish Keywords

Diseño circuito

;

Carta de datos

;

Formación imagen

;

Fuente luminosa

;

Optimización

;

Proyector imagen

;

Multimedia

;

Realidad virtual

;

Visualización

;

Equipo visualización

;

Localisation / Location

INIST-CNRS, Cote INIST : 21760, 35400011776987.0090

Nº notice refdoc (ud4) : 15669866



Faire une nouvelle recherche
Make a new search
Lancer la recherche
Bas