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IEICE TRANSACTIONS on Information

A Multi-Projector Display System with Virtual Camera Method for Distortion Correction on Quadric Surface Screens

Masato OGATA, Hiroyuki WADA, Kagenori KAJIHARA, Jeroen van BAAR

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Summary :

Multi-projector technology has been under consideration in recent years. This technology allows the generation of wide field of view and high-resolution images in a cost-effective manner. It is expected to be applied extensively to training simulators where vivid immersive sensations and precision are required. However, in many systems the viewing frustums cannot be automatically assigned for distributed rendering, and the required manual setup is complicated and difficult. This is because the camera should be coincide exactly with a desired eye point to avoid perspective distortions. For the actual applications, the camera is seldom able to be set up at the desired eye point because of physical constraints, e.g., a narrow cockpit with many instruments. To resolve this issue, we have developed a "virtual camera method" that yields high-precision calibration regardless of the camera position. This method takes advantage of the quadratic nature of the display surface. We developed a practical real-time multi-projector display system for applications such as training simulators, that require high-accuracy in geometry and rapid response time.

Publication
IEICE TRANSACTIONS on Information Vol.E89-D No.2 pp.814-824
Publication Date
2006/02/01
Publicized
Online ISSN
1745-1361
DOI
10.1093/ietisy/e89-d.2.814
Type of Manuscript
PAPER
Category
Computer Graphics

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