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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 12. High-Quality Ambient Occlusion

Jared Hoberock University of Illinois at Urbana-Champaign

Yuntao Jia University of Illinois at Urbana-Champaign

Ambient occlusion is a technique used in production to approximate the effect of environment lighting. Unlike the dull, flat look of local lighting models, ambient occlusion can add realism to a scene by accentuating small surface details and adding soft shadows. Bunnell 2005 demonstrated a novel technique for approximating this effect by integrating occlusion with an adaptive traversal of the hierarchical approximation of a model. While this technique does a good job of approximating smoothly varying shadows, it makes assumptions about the input model that make it not robust for general high-quality ...

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Publisher Resources

ISBN: 9780321545428Purchase book