Kyle Hegeman, Simon Premoze, Michael Ashikhmin, George Drettakis. Approximate Ambient Occlusion For Trees.
I3D '06 Proceedings of the 2006 symposium on Interactive 3D graphics and games, ACM SIGGRAPH, Mar 2006, Redwood City, United States. pp.87-92,
⟨10.1145/1111411.1111427⟩.
⟨inria-00606775⟩