Occlusion Textures for Plausible Soft Shadows*.

Elmar Eisemann Xavier Décoret Occlusion Textures for Plausible Soft Shadows*. 13-23 2008 27 Comput. Graph. Forum 1 http://dx.doi.org/10.1111/j.1467-8659.2007.01037.x db/journals/cgf/cgf27.html#EisemannD08