Open AccessColour computer-generated holography for point clouds utilizing the Phong illumination model
Author(s) -
Athanasia Symeonidou,
David Blinder,
Peter Schelkens
Publication year - 2018
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.26.010282
Subject(s) - holography , bidirectional reflectance distribution function , computer science , rendering (computer graphics) , optics , computer generated holography , point cloud , computer graphics (images) , computer vision , point spread function , artificial intelligence , reflectivity , physics
A technique integrating the bidirectional reflectance distribution function (BRDF) is proposed to generate realistic high-quality colour computer-generated holograms (CGHs). We build on prior work, namely a fast computer-generated holography method for point clouds that handles occlusions. We extend the method by integrating the Phong illumination model so that the properties of the objects' surfaces are taken into account to achieve natural light phenomena such as reflections and shadows. Our experiments show that rendering holograms with the proposed algorithm provides realistic looking objects without any noteworthy increase to the computational cost.