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Realistic Image Synthesis Using Photon Mapping : Ak Peters Ser. - Henrik Wann Jensen

Realistic Image Synthesis Using Photon Mapping

Ak Peters Ser.

Hardcover Published: 18th July 2001
ISBN: 9781568811475
Number Of Pages: 208

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Photon mapping, an extension of ray tracing, makes it possible to efficiently simulate global illumination in complex scenes. Photon mapping can simulate caustics (focused light, like shimmering waves at the bottom of a swimming pool), diffuse inter-reflections (e.g., the "bleeding" of colored light from a red wall onto a white floor, giving the floor a reddish tint), and participating media (such as clouds or smoke). This book is a practical guide to photon mapping; it provides the theory and practical insight necessary to implement photon mapping and simulate all types of direct and indirect illumination efficiently.

Prefacep. xv
Introductionp. 1
Realistic Image Synthesisp. 2
Global Illuminationp. 3
Ray-Tracing Techniquesp. 4
Finite Element Radiosity Techniquesp. 5
Hybrid and Multi-Pass Techniquesp. 6
Photon Mappingp. 7
Overview of This Bookp. 7
Fundamentals of Global Illuminationp. 11
The Nature of Lightp. 11
Lighting Terminologyp. 13
Radiometryp. 13
Photometryp. 15
The Solid Anglep. 16
Light Emissionp. 17
Light Scatteringp. 18
The BSSRDFp. 18
The BRDFp. 19
The Reflectancep. 20
Diffuse Reflectionp. 21
Specular Reflectionp. 22
Reflection Modelsp. 24
The Rendering Equationp. 27
The Radiosity Equationp. 29
Neumann Series Expansionp. 29
Path Integral Formulationp. 30
Light Transport Notationp. 30
Monte Carlo Ray Tracingp. 33
Classic Ray Tracingp. 34
Algorithmp. 36
Path Tracingp. 37
Algorithmp. 42
Bidirectional Path Tracingp. 43
Algorithmp. 47
Metropolis Light Transportp. 47
Algorithmp. 50
The Photon-Mapping Conceptp. 51
Motivationp. 51
Developing the Modelp. 53
Overviewp. 54
Photon Tracingp. 55
Photon Emissionp. 55
Diffuse Point Lightp. 56
Spherical Lightp. 57
Square Lightp. 58
Directional Lightp. 58
Complex Lightp. 58
Multiple Lightsp. 59
Projection Mapsp. 59
Photon Scatteringp. 60
Specular Reflectionp. 60
Diffuse Reflectionp. 60
Arbitrary BRDF Reflectionp. 61
Russian Roulettep. 61
Photon Storingp. 64
The Photon Map Data Structurep. 67
The Data Structurep. 67
Photon Representationp. 69
The Balanced Kd-Treep. 70
Memory Layoutp. 71
Balancing Algorithmp. 71
Locating the Nearest Photons Efficientlyp. 72
Algorithmp. 72
The Radiance Estimatep. 75
Density Estimationp. 75
Derivationp. 77
Algorithmp. 80
Filteringp. 80
The Cone Filterp. 81
The Gaussian Filterp. 82
Differential Checkingp. 83
Photon Gatheringp. 83
Visualizing the Photon Mapp. 85
Rendering Causticsp. 86
Rendering Color Bleedingp. 87
Excluding Direct Illuminationp. 89
Fast Approximationsp. 89
Caustics Examplesp. 91
Reflection Inside a Ringp. 91
Prism with Dispersionp. 91
Caustics on a Non-Lambertian Surfacep. 92
A Glass of Cognac on a Rough Surfacep. 92
A Practical Two-Pass Algorithmp. 95
Overviewp. 95
Solving the Rendering Equationp. 96
Pass 1: Photon Tracingp. 97
The Caustics Photon Mapp. 97
The Global Photon Mapp. 99
Pass 2: Renderingp. 100
Direct Illuminationp. 101
Specular and Glossy Reflectionp. 102
Causticsp. 102
Multiple Diffuse Reflectionsp. 103
Examplesp. 104
The Four Rendering Componentsp. 105
Fractal Boxp. 105
Box with Waterp. 106
Global Illumination on a Point Cloudp. 110
A Mountain Landscapep. 110
The Courtyard House by Mies van der Rohep. 111
Participating Mediap. 113
Light Scattering in Participating Mediap. 114
The Volume Rendering Equationp. 115
The Phase Functionp. 115
Isotropic Scatteringp. 116
The Henyey-Greenstein Phase Functionp. 116
The Schlick Phase Functionp. 117
Other Phase Functionsp. 118
Ray Marchingp. 119
Adaptive Ray Marchingp. 121
Photon Tracingp. 121
Photon Scatteringp. 123
Photon Storingp. 123
Photon Emissionp. 123
The Volume Radiance Estimatep. 124
Rendering Participating Mediap. 125
Subsurface Scatteringp. 127
Photon Tracingp. 127
Renderingp. 128
Examplesp. 129
Rising Smokep. 129
Smoke Flowing past a Spherep. 129
A Volume Causticp. 130
Michelangelo's Davidp. 130
A Weathered Granite Sphinxp. 134
A Translucent Marble Bustp. 135
Optimization Strategiesp. 139
Irradiance Cachingp. 139
Irradiance Gradientsp. 142
Irradiance Caching and Photon Mappingp. 143
Importance Samplingp. 144
Visual Importancep. 145
A Three-Pass Techniquep. 147
Efficient Stratification of Photonsp. 147
Faster Shadows with Shadow Photonsp. 148
Precomputed Irradiancep. 151
Parallel Computationsp. 151
Basic Monte Carlo Integrationp. 153
The Sample Mean Methodp. 153
Variance-Reduction Techniquesp. 154
A Photon Map Implementation in C++p. 157
A Cognac Glass Modelp. 167
Bibliographyp. 169
Indexp. 181
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9781568811475
ISBN-10: 1568811470
Series: Ak Peters Ser.
Audience: Tertiary; University or College
Format: Hardcover
Language: English
Number Of Pages: 208
Published: 18th July 2001
Publisher: A K PETERS LTD (MA)
Country of Publication: US
Dimensions (cm): 23.93 x 15.14  x 1.78
Weight (kg): 0.47
Edition Number: 2