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PRISM interaction for enhancing control in immersive virtual environments
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ACM Transactions on Computer-Human Interaction (TOCHI) archive
Volume 14 ,  Issue 1  (May 2007) table of contents
Article No. 2  
Year of Publication: 2007
ISSN:1073-0516
Authors
Scott Frees  Ramapo College of New Jersey, Mahwah, NJ
G. Drew Kessler  Sarnoff Corporation, Princeton, NJ
Edwin Kay  Lehigh University, Bethlehem, PA
Publisher
ACM  New York, NY, USA
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ABSTRACT

When directly manipulating 3D objects in an immersive environment we cannot normally achieve the accuracy and control that we have in the real world. This reduced accuracy stems from hand instability. We present PRISM, which dynamically adjusts the C/D ratio between the hand and the controlled object to provide increased control when moving slowly and direct, unconstrained interaction when moving rapidly. We describe PRISM object translation and rotation and present user studies demonstrating their effectiveness. In addition, we describe a PRISM-enhanced version of ray casting which is shown to increase the speed and accuracy of object selection.


REFERENCES

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Collaborative Colleagues:
Scott Frees: colleagues
G. Drew Kessler: colleagues
Edwin Kay: colleagues