Ryan S. Overbeck Aner Ben-Artzi Ravi Ramamoorthi Eitan Grinspun Exploiting Temporal Coherence for Incremental All-Frequency Relighting. 151-160 2006 Rendering Techniques http://dx.doi.org/10.2312/EGWR/EGSR06/151-160 conf/rt/2006 db/conf/rt/rt2006.html#OverbeckBRG06