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Viewpoint-based ambient occlusion.

Francisco F González, Mateu M Sbert, and Miquel M Feixas

IEEE Comput Graph Appl 28(2):44-51 (2008) PMID 18350932

A new ambient occlusion technique builds a channel between various viewpoints and an object's polygons, providing the information needed to create an occlusion map with multiple application possibilities.

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