Hand Pointing Accuracy for Vision-Based Interactive Systems

Authors:
Kelvin Cheng;Masahiro Takatsuka
Affiliations:
HxI Initiative, NICTA, Australian Technology Park, Eveleigh, Australia 2015 and ViSLAB, School of IT, The University of Sydney, Australia 2006;ViSLAB, School of IT, The University of Sydney, Australia 2006
Venue:
INTERACT '09 Proceedings of the 12th IFIP TC 13 International Conference on Human-Computer Interaction: Part II
Year:
2009

Citing 3
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Abstract

Vision-based hand pointing interactive systems always assume implicitly that users' physical pointing accuracy is perfect. However, this may not be the case. We investigated the accuracy provided by users in three pointing strategies. Result showed that pointing inaccuracy can be as high as 239mm at 3 metres away and suggest that the line-up method provides the best accuracy overall.