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Effects of tracking technology, latency, and spatial jitter on object movement

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4 Author(s)
Teather, R.J. ; Dept. of Comput. Sci. & Eng., York Univ., Toronto, ON ; Pavlovych, A. ; Stuerzlinger, W. ; MacKenzie, I.S.

We investigate the effects of input device latency and spatial jitter on 2D pointing tasks and 3D object movement tasks. First, we characterize jitter and latency in a 3D tracking device and an optical mouse used as a baseline comparison. We then present an experiment based on ISO 9241-9, which measures performance characteristics of pointing devices. We artificially introduce latency and jitter to the mouse and compared the results to the 3D tracker. Results indicate that latency has a much stronger effect on human performance than low amounts of spatial jitter. In a second study, we use a subset of conditions from the first to test latency and jitter on 3D object movement. The results indicate that large, uncharacterized jitter ldquospikesrdquo significantly impact 3D performance.

Published in:

3D User Interfaces, 2009. 3DUI 2009. IEEE Symposium on

Date of Conference:

14-15 March 2009