Teixeira, João, 		Albuquerque, Eduardo, 		Santos, Artur, 		Teichrieb, Veronica, AND 		Kelner, Judith.
" Improving Ray Tracing Anti-aliasing Performance through Image Gradient Analysis" <em>Proceedings of the Brazilian Symposium on High Performance Computing Systems (SSCAD)</em> [Online], (27 October 2010)