Scene Optimized Shadow Mapping
Chong, Hamilton Y.
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CitationChong, Hamilton Y. and Steven J. Gortler. 2007. Scene Optimized Shadow Mapping. Harvard Computer Science Group Technical Report TR-07-07.
AbstractShadow mapping possesses an aliasing issue that is difficult to control. Recently a number of techniques, beginning with Perspective Shadow Maps have been proposed to choose the best possible 4 by 4 matrix for the light’s projection matrix. These new methods offer no guarantees of optimality, and can perform very poorly for some light configurations. Here we describe a method that chooses the 4 by 4 matrix using an optimization framework. We then describe numerical experimental results comparing our method to some of the previously suggested techniques.
Citable link to this pagehttp://nrs.harvard.edu/urn-3:HUL.InstRepos:24019787
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