27 September 2016 Three-dimensional rendering of computer-generated holograms acquired from point-clouds on light field displays
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Abstract
Holograms, either optically acquired or simulated numerically from 3D datasets, such as point clouds, have special rendering requirements for display. Evaluating the quality of hologram generation techniques is not straightforward, since high-quality holographic display technologies are still immature, In this paper we present a framework for three-dimensional rendering of colour computer-generated holograms (CGHs) acquired from point-clouds, on high-end light field displays. This allows for the rendering of holographic content with horizontal parallax and wide viewing angle. We deploy prior work, namely a fast CGH method that inherently handles occlusion problems to acquire high quality colour holograms from point clouds. Our experiments showed that rendering holograms with the proposed framework provides 3D effect with depth disparity and horizontal-only with wide viewing angle. Therefore, it allows for the evaluation of CGH techniques regarding functional properties such as depth cues and efficient occlusion handling.
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Athanasia Symeonidou, Athanasia Symeonidou, David Blinder, David Blinder, Beerend Ceulemans, Beerend Ceulemans, Adrian Munteanu, Adrian Munteanu, Peter Schelkens, Peter Schelkens, } "Three-dimensional rendering of computer-generated holograms acquired from point-clouds on light field displays", Proc. SPIE 9971, Applications of Digital Image Processing XXXIX, 99710S (27 September 2016); doi: 10.1117/12.2237581; https://doi.org/10.1117/12.2237581
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