Fast approximate ambient occlusion

Cadet, Gilles; Lecussan, B.

doi:10.1145/1280720.1280926

ACM SIGGRAPH 2007 Posters 2007

DOI: 10.1145/1280720.1280926

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Fast approximate ambient occlusion

Gilles Cadet

B. Lecussan²

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2009

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Ambient occlusion in screen-space for mesostructure objects

Duoli

Wang

Zheng

et al. 2009

2009 IEEE 10th International Conference on Computer-Aided Industrial Design &Amp; Conceptual Design

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In the traditional ambient occlusion algorithm for microstructures, the determination of occlusion is a time-consuming task. To improve the rendering speed, the paper proposes a screen-based ambient occlusion method. By using off-screen technique, only the visible points are used to determine the occlusion. Using the depth texture of the whole scene, the size of ambient occlusion can be quickly computed by the maximum of the block angle. The whole scene can be rendered using the deferred shading technology. Experimental results show that our method is more efficient than the available methods on computing the ambient occlusion. It does not need any pre-processing, and the time used for ambient occlusion determination is less than other methods.

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Ambient occlusion in screen-space for mesostructure objects

Duoli

Wang

Zheng

et al. 2009

2009 IEEE 10th International Conference on Computer-Aided Industrial Design &Amp; Conceptual Design

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Fast approximate ambient occlusion

Cited by 1 publication

References 2 publications

Ambient occlusion in screen-space for mesostructure objects

Ambient occlusion in screen-space for mesostructure objects

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