Abstract
ABSTRACTThe stereoscopic display using a curved-directional-reflection (CDR) screen (1) is a promising approach towards realizing a bright three-dimensional (3D) imaging system that does not require use of special glasses. However, the limited viewing area has been a drawback.In this paper, we describe how the viewing area can be made wider. Our system uses four sets of liquid-crystal projectors that provide four images corresponding to each viewing area. The viewing area is expanded about three times wider than that of a conventional systemusing two projectors. Especially if the viewer is sitting in a fixed chair, precise control of theviewer's position is not needed due to this wide viewing area. Keywords: Glasses-free display, Stereoscopic display, 3D images, CDR screen1. INTRODUCTION Many approaches for stereoscopic displays have been proposed and these can becategorized into two groups. The first group of methods requires the use of special glasses,such as polarization or LCD glasses, and systems based on this type of approach are already
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