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Effects of Latency and Spatial Jitter on 2D and 3D Pointing

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3 Author(s)
Teather, R.J. ; York Univ., Toronto, ON ; Pavlovych, A. ; Stuerzlinger, W.

We investigate the effects of input device latency and spatial jitter on 2D pointing tasks and a 3D movement. First, we characterize jitter and latency in a 3D tracking device and an optical mouse used for baseline comparison. We present an experiment based on ISO 9241-9, which measures performance of pointing devices. We added latency and jitter to the mouse and compared it to a 3D tracker. Results indicate that latency has a stronger effect on performance than small spatial jitter. A second experiment found that erratic jitter "spikes" can affect 3D movement performance.

Published in:

Virtual Reality Conference, 2009. VR 2009. IEEE

Date of Conference:

14-18 March 2009

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