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http://dx.doi.org/10.5909/JBE.2007.12.2.137

Portable Projection-Based Display System  

Oh, Ji-Hyun (Virtual Reality Lab., Division of Electrical and Computer Engineering, Hanyang University)
Lee, Moon-Hyun (Virtual Reality Lab., Division of Electrical and Computer Engineering, Hanyang University)
Park, Han-Noon (Virtual Reality Lab., Division of Electrical and Computer Engineering, Hanyang University)
Kim, Jae-Soo (Virtual Reality Lab., Division of Electrical and Computer Engineering, Hanyang University)
Park, Jong-Il (Virtual Reality Lab., Division of Electrical and Computer Engineering, Hanyang University)
Publication Information
Journal of Broadcast Engineering / v.12, no.2, 2007 , pp. 137-147 More about this Journal
Abstract
Projection-based augmented reality (AR) system refers to the system that accurately project high quality virtual information at the user-specified area by using the projector. Most of projection-based AR systems use the display device to support high quality and wide screen for increasing the user-immersion. Furthermore, they are implemented on the desktop environment due to the computational complexity. However, these projection-based AR systems are not suited as a mobile system and thus it may be inconvenient in the user point of view. Fortunately, Miniaturization of projectors and improved capacity of the mobile processor allowed the mobile AR system to be convenient. The limitation of established mobile AR system is that it uses small display screen which does not support high-resolutions and thus it may reduce the user-immersion into the system. In this paper, we propose portable projection-based display system, which overcomes the limitations of both projection-based and mobile-based AR systems. We have conducted the user evaluation to verify the effectiveness and the utmost capacity of the system.
Keywords
Portable; Display system; Augmented reality; Projection based; Projector-camera system; PDA;
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