Advanced global illumination

Table of Contents......Page 10
Preface......Page 14
Preface to the Second Edition......Page 16
1.1 What Is Realistic Image Synthesis?......Page 18
1.2 Structure of this Book......Page 27
1.3 How to Use this Book......Page 29
2.1 Brief History......Page 32
2.2 Models of Light......Page 34
2.3 Radiometry......Page 36
2.5 Interaction of Light with Surfaces......Page 48
2.6 Rendering Equation......Page 58
2.7 Importance......Page 61
2.10 Exercises......Page 62
3.1 Brief History......Page 64
3.3 Review of Probability Theory......Page 65
3.4 Monte Carlo Integration......Page 71
3.5 Sampling Random Variables......Page 80
3.6 Variance Reduction......Page 84
3.8 Exercises......Page 95
4.1 Formulation of the Rendering Equation......Page 98
4.2 The Importance Function......Page 104
4.3 Adjoint Equations......Page 108
4.4 Global Reflectance Distribution Function......Page 111
4.5 Classification of Global Illumination Algorithms......Page 113
4.7 Summary......Page 122
4.8 Exercises......Page 123
5.1 Brief History......Page 124
5.2 Ray-Tracing Set-Up......Page 125
5.3 Simple Stochastic Ray Tracing......Page 127
5.4 Direct Illumination......Page 131
5.5 Environment Map Illumination......Page 144
5.6 Indirect Illumination......Page 151
5.7 Light Tracing......Page 160
5.9 Exercises......Page 165
6. Stochastic Radiosity......Page 168
6.1 Classic Radiosity......Page 170
6.2 The Form Factors......Page 176
6.3 Stochastic Relaxation Radiosity......Page 181
6.4 Discrete Random Walk Methods for Radiosity......Page 191
6.5 Photon Density Estimation Methods......Page 201
6.6 Variance Reduction and Low-Discrepancy Sampling......Page 219
6.7 Hierarchical Refinement and Clustering......Page 228
6.8 Exercises......Page 231
7.1 Final Gathering......Page 236
7.2 Multipass Methods......Page 240
7.3 Bidirectional Tracing......Page 244
7.4 Metropolis Light Transport......Page 248
7.5 Irradiance Caching......Page 251
7.6 Photon Mapping......Page 253
7.7 Instant Radiosity......Page 257
7.8 Lightcuts and Multidimensional Lightcuts......Page 259
7.9 Exercises......Page 266
8. The Quest for Ultimate Realism and Speed......Page 270
8.1 Beyond the Rendering Equation......Page 271
8.2 Image Display and Human Perception......Page 294
8.3 Fast Global Illumination......Page 304
9.1 Achievements of Photorealistic Rendering......Page 318
9.2 Unresolved Issues in Photorealistic Rendering......Page 319
9.3 Concluding Remarks......Page 321
A. A Class Library for Global Illumination......Page 322
A.1 Path Node Classes......Page 323
A.2 Light Source Sampling Classes......Page 328
B.1 Hemispherical Coordinates......Page 350
B.2 Solid Angle......Page 351
B.3 Integrating over the Hemisphere......Page 353
B.4 Hemisphere-Area Transformation......Page 354
C. Theoretical Analysis of Stochastic Relaxation Radiosity......Page 356
Bibliography......Page 360