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Proceedings of the 29th annual conference on Computer graphics and interactive techniques
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ACM SIGGRAPH 2010 papers
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Proceedings of the 17th ACM Symposium on Virtual Reality Software and Technology
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ACM Transactions on Applied Perception (TAP)
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SCA '11 Proceedings of the 2011 ACM SIGGRAPH/Eurographics Symposium on Computer Animation
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Proceedings of the ACM SIGGRAPH Symposium on Applied Perception in Graphics and Visualization
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I3D '12 Proceedings of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games
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ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
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ACM Transactions on Applied Perception (TAP)
Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Computer Animation
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Proceedings of the ACM Symposium on Applied Perception
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ACM Transactions on Graphics (TOG)
Proceedings of Motion on Games
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When simulating large crowds, it is inevitable that the models and motions of many virtual characters will be cloned. However, the perceptual impact of this trade-off has never been studied. In this paper, we consider the ways in which an impression of variety can be created and the perceptual consequences of certain design choices. In a series of experiments designed to test people's perception of variety in crowds, we found that clones of appearance are far easier to detect than motion clones. Furthermore, we established that cloned models can be masked by color variation, random orientation, and motion. Conversely, the perception of cloned motions remains unaffected by the model on which they are displayed. Other factors that influence the ability to detect clones were examined, such as proximity, model type and characteristic motion. Our results provide novel insights and useful thresholds that will assist in creating more realistic, heterogeneous crowds.