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Path tracing

Path tracing is a rendering algorithm in computer graphics that simulates how light interacts with objects and participating media to generate realistic (physically plausible) images. It is based on earlier, more limited, ray tracing algorithms.

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Overview

History

Description

Algorithm

Scattering distribution functions

Volume rendering

Bidirectional path tracing

Metropolis light transport

Photon mapping

ReSTIR

Advanced semantic analysis

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Map overview Semantic statistics

Path tracing

Nodes153
Edges152
Triples141
Avg. degree1.99
Density0.013072
Components1

How this topic connects Entity context

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Path tracing

Top relations

related to history · 27
Path tracing → Academy Award, Arthur Appel, Cook, Despite, Eric Lafortune, Eric Veach, Greg Ward, Guibas, In, James Arvo, Jim Kajiya, John Turner Whitted, Leonidas Guibas, Like, Metropolis, Monte Carlo, Path, Peter Shirley, Ph, Physically Based Rendering
related to Metropolis light transport · 17
Path tracing → An, Guibas, Hastings, However, If, Importance, In, It, Markov, MC, MCMC, Metropolis, MLT, Monte Carlo, The, Veach, With
related to Primary sample space Metropolis light transport · 12
Path tracing → Because, Because MLT, Metropolis, MLT, Monte Carlo, Mutated, Path, Primary, PSSMLT, Since, The, This
related to Photon mapping · 9
Path tracing → Bidirectional, If, Information, Path, Photon, Photons, The, These, This
related to Unified frameworks · 9
Path tracing → BDPT, Because, Later, MIS, One, Photon, The, UPS, VCM
related to ReSTIR · 7
Path tracing → GPU, Improvements, It, One, ReSTIR, Reuse, This
related to Volume rendering · 7
Path tracing → Camera, Kayija's, Participating, Path, The, Volumetric, When
related to Bidirectional path tracing · 5
Path tracing → Backwards, It, Light, Sampling, This
see also · 5
Path tracing → Arnold, Blender, Cycles, GPU-accelerated, RenderPixar RenderManLuxCoreRendererVolumetric
is a · 2
Path tracing → only method that is used for unidirectional path tracing in practice.Bidirectional path tracing provides an algorithm that combines the two approaches and can produce lower vari…, rendering algorithm in computer graphics that simulates how light interacts with objects and participating media to generate realistic

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Important terminology

path light tracing used samples sampling ray rendering called surface camera using paths usually pixel sample diffuse also algorithm use

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Path tracingis arendering algorithm in computer graphics that simulates how light interacts with objects and participating media to generate realistic0.90text
Path tracingis aonly method that is used for unidirectional path tracing in practice.Bidirectional path tracing provides an algorithm that combines the two approaches and can produce lower vari…0.90text
architectural renderinginstance ofand for applications0.80text
product designinstance ofand for applications0.80text
quasi-Monte Carlo methodsinstance ofMore practical versions incorporate improvements0.80text
depth of fieldinstance ofwhich uses Monte Carlo integration to render effects0.80text
motion blurinstance ofwhich uses Monte Carlo integration to render effects0.80text
reflection from rough surfacesinstance ofwhich uses Monte Carlo integration to render effects0.80text
and area lightsinstance ofwhich uses Monte Carlo integration to render effects0.80text
James Arvoinstance ofPath tracing and other distributed ray tracing techniques were further refined in the late 1980s and early 1990s by researchers0.80text
Peter Shirleyinstance ofPath tracing and other distributed ray tracing techniques were further refined in the late 1980s and early 1990s by researchers0.80text
and by Greg Ward in the open source Radiance software.Despite being theoretically able to render any lightinginstance ofPath tracing and other distributed ray tracing techniques were further refined in the late 1980s and early 1990s by researchers0.80text

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