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Yi Xiao, Chi Sing Leung, Tze Yui Ho, Liang Wan and Tien Tsing Wong Concentric Spherical Representation for Omnidirectional Soft Shadow Computer Graphics Forum 32

Article first published online: 5 APR 2013 | DOI: 10.1111/cgf.12085

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Soft shadows play an important role in photo-realistic rendering. Although there are many efficient soft shadow algorithms, most of them focus on the one-side light source situation, where a planar light source is on the outside of the scene. In fact, in many situations, such as games, light sources are omnidirectional. They may be surrounded by a number of 3D objects. This paper proposes a soft shadow algorithm for the omnidirectional situation.

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