CIS736 Paper Review 2: Visible Surfaces and Illumination
April 12, 2000
CHOOSE ONE of the following papers.

Choice 1:
	A Light Hierarchy for Fast Rendering of Scenes with Many Lights
	E. Paquette, P. Poulin, and G. Drettakis
        http://www.iro.umontreal.ca/labs/infographie/papers/Paquette-1998-HVD/
Choice 2:
	Global Illumination via Density Estimation
	P. Shirley, B. Wade, P. Hubbard, D. Zareski, B. Walter, and
		D. P. Greenberg. 
        http://www.graphics.cornell.edu/pubs/1995/SWH+95a.html
Choice 3:
	Hierarchical Visibility Culling for Spline Models
	S. Kumar and D. Manocha 
        http://www.dgp.toronto.edu/gi/gi96/proceedings/papers/KumarManocha