Journal ArticleDOI
Adjoint and Importance in Monte Carlo Application
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The use of the Monte Carlo method for the study of deep penetration of radiation into and through shields entails the use of sophisticated methods of variance reduction to make such calculations ec... as mentioned in this paper,.Abstract:
The use of the Monte Carlo method for the study of deep penetration of radiation into and through shields entails the use of sophisticated methods of variance reduction to make such calculations ec...read more
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Proceedings ArticleDOI
Fast algorithms for volume ray tracing
John Danskin,Pat Hanrahan +1 more
TL;DR: This work examines various simple algorithms that exploit homogeneity and accumulate2 opacity for tracing rays through shaded volumes and compares them to fixed step multiresolution methods.
Journal ArticleDOI
Automated variance reduction of Monte Carlo shielding calculations using the discrete ordinates adjoint function
John C. Wagner,Alireza Haghighat +1 more
TL;DR: Although the Monte Carlo method is considered to be the most accurate method available for solving radiation transport problems, its applicability is limited by its computational expense as mentioned in this paper, thus, bia...
Journal ArticleDOI
Monte carlo variance reduction with deterministic importance functions
Alireza Haghighat,John C. Wagner +1 more
TL;DR: Adjoint methodology and the concept of “importance” are presented, along with an explanation of their use for variance reduction of Monte Carlo simulations, and aspects of interest are demonstrated.
Journal ArticleDOI
Monte Carlo Methods for Volumetric Light Transport Simulation
TL;DR: This paper presents a coherent survey of methods that utilize Monte Carlo integration for estimating light transport in scenes containing participating media, and includes earlier methods that are key for building light transport paths in a stochastic manner.