Visibility-Guided Importance Sampling Thesis Proposal

global illumination



rendering equation(Kajiya
1986):

BRDF+Incident Light+Visibility



Monte Carlo Ray
Tracing;常用



改善Monte Carlo :Importance
Sampling



對於某些較重要的部分,分配較多的sample



visibility term
難和importance Sampling 合在一起



此paper考慮了上述的問題



shadow
region 附近會有noise產生



此paper也考慮了上述的問題