Peter Djeu, Sean Keely, Warren Hunt. Accelerating shadow rays using volumetric occluders and modified kd-tree traversal. In Stephen N. Spencer, David K. McAllister, Matt Pharr, Ingo Wald, David P. Luebke, Philipp Slusallek, editors, Proceedings of the ACM SIGGRAPH/EUROGRAPHICS Conference on High Performance Graphics 2009, New Orleans, Louisiana, USA, August 1-3, 2009. pages 69-76, ACM, 2009. [doi]
Abstract is missing.