Lecture 13: Global Illumination & Path Tracing (100)
briana-jin-zhang
What does importance sampling the BRDF mean exactly? Like for the lights, it makes sense to weight more importance to the light source itself since sampling from other places would yield a negligible epsilon, but I'm not sure how to intuitively interpret the BRDF.
What does importance sampling the BRDF mean exactly? Like for the lights, it makes sense to weight more importance to the light source itself since sampling from other places would yield a negligible epsilon, but I'm not sure how to intuitively interpret the BRDF.