Implicit surface octrees for ray tracing point models
Sriram Kashyap, Rhushabh Goradia, Parag Chaudhuri, Sharat Chandran · 2010
Point-based representations of objects have been used as modeling alternatives to the almost ubiquitous quads or triangles. However, our ability to render these points has not matched their polygonal counterparts when we consider both rendering time and sophisticated lighting effects.