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GPU Gems 3
book

GPU Gems 3

by Hubert Nguyen
August 2007
Intermediate to advanced content levelIntermediate to advanced
1008 pages
21h 13m
English
Addison-Wesley Professional
Content preview from GPU Gems 3

Chapter 20. GPU-Based Importance Sampling

Mark Colbert University of Central Florida

Jaroslav Křivánek Czech Technical University in Prague

Introduction

High-fidelity real-time visualization of surfaces under high-dynamic-range (HDR) image-based illumination provides an invaluable resource for various computer graphics applications. Material design, lighting design, architectural previsualization, and gaming are just a few such applications. Environment map prefiltering techniques (Kautz et al. 2000)—plus other frequency space solutions using wavelets (Wang et al. 2006) or spherical harmonics (Ramamoorthi and Hanrahan 2002)—provide real-time visualizations. However, their use may be too cumbersome because they require a hefty amount of precomputation ...

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Publisher Resources

ISBN: 9780321545428Purchase book