Randomness

  • Physically Based Rendering: From Theory to Implementation

    Comprehensive reference on physically based rendering techniques

  • Lecture 18: Monte Carlo Rendering (CMU 15-462/662)

    An introduction to Monte Carlo ray tracing

  • The rendering equation

    The classic Kajiya rendering equation paper introduced the "rendering equation" and the path tracing algorithm

  • 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

  • Robust Monte Carlo Methods for Light Transport Simulation

    the Academy Award-winning Ph.D. thesis by Eric Veach. It starts from bidirectional light transport algorithms and introduces multiple importance sampling and Metropolis light transport

  • Edge-Avoiding À-Trous Wavelet Transform for fast Global Illumination Filtering (2010)

    Classic paper introducing a fast and simple filter for ray tracing denoising.

  • What is direct lighting (next event estimation) in a ray tracer?

    An explanation of direct lighting and next event estimation in ray tracers