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Occlusion culling

This article is a stub, it contains information that doesn't explain subject fully.

Occlusion culling is a process of removing objects hidden behind other objects (and therefore reducing the number of primitives to be rendered).

Big topic

This topic is too big to be discussed in Web-format, so here are the resources that can help with that:

There are two interesting papers describing algorithms in this area: Zhang 98 and Wang, Agarwal, Har-Peled 00

Gamasutra has a feature devoted to occlusion culling.

See also

Frustum culling
Bounding volume