Line Art Rendering: The A-buffer hidden surface evaluator can be extended to efficiently and robustly support line art rendering. ACM SIGGRAPH 2000 Conference Abstracts and Applications. PDF. A concise technical memo on the technique.
Random Numbers: Random Numbers for Computer Graphics, Sketches and Applications, ACM SIGGRAPH 2006. PDF. Here is a more complete (unpublished) description of the Goulburn hashing function.
Simulation Noise: Simple Divergence-Free Fields for Artistic Simulation, ACM Journal of Graphics Tools, Volume 10, Number 4; December 2005. PDF
