Impostors and pseudo-instancing for GPU crowd rendering

Authors:
Erik Millan;Isaac Rudomin
Affiliations:
ITESM CEM;ITESM CEM
Venue:
Proceedings of the 4th international conference on Computer graphics and interactive techniques in Australasia and Southeast Asia
Year:
2006

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Abstract

Animated crowds are effective to increase realism in virtual reality applications. However, rendering crowds requires large computational power. In this paper, we present a technique suitable to render large crowds of characters that takes advantage of existing programmable graphics hardware. Impostors are used for low-detail representation, while pseudo-instancing is used for higher detail. A LOD map is used to select between both representations, based on a customizable threshold.