Sampling

Sampling encodes a continuous signal as discrete set of samples

Lecture 19: Variance Reduction (CMU 15-462/662)

An overview various variance reduction techniques for Monte Carlo rendering, covering bidirectional path tracing, Metropolis-Hastings algorithm, MIS, stratified Sampling, low-discrepancy sampling, blue noise, photon mapping, and finite element radiosity

Randomness/Variance Reduction
Randomness/Monte Carlo
Ray Tracing
video

Flavors of Sampling in Ray Tracing

An overview of different sampling strategies used in ray tracing.

Randomness/Monte Carlo
Ray Tracing/Path Tracing
article