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Conference Papers Year : 2013

Understanding Hand Degrees of Freedom and Natural Gestures for 3D Interaction on Tabletop

Abstract

Interactively creating and editing 3D content requires the manipulation of many degrees of freedom (DoF). For instance, docking a virtual object involves 6 DoF (position and orientation). Multi-touch surfaces are good candidates as input devices for those interactions: they provide a direct manipulation where each finger contact on the table controls 2 DoF. This leads to a theoretical upper bound of 10 DoF for a single-handed interaction. With a new hand parameterization, we investigate the number of DoF that one hand can effectively control on a multi-touch surface. A first experiment shows that the dominant hand is able to perform movements that can be parameterized by 4 to 6 DoF, and no more (i.e., at most 3 fingers can be controlled inde-pendently). Through another experiment, we analyze how gestures and tasks are associated, which enable us to discover some principles for designing 3D inter-actions on tabletop.
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Dates and versions

hal-00814014 , version 1 (16-04-2013)
hal-00814014 , version 2 (29-05-2013)

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Rémi Brouet, Renaud Blanch, Marie-Paule Cani. Understanding Hand Degrees of Freedom and Natural Gestures for 3D Interaction on Tabletop. 14th International Conference on Human-Computer Interaction (INTERACT), IFIP, Sep 2013, Cape Town, South Africa. pp.297-314, ⟨10.1007/978-3-642-40483-2_20⟩. ⟨hal-00814014v2⟩
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