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

Rémi Brouet 1, 2, * Renaud Blanch 3 Marie-Paule Cani 1, *
* Corresponding author
1 IMAGINE - Intuitive Modeling and Animation for Interactive Graphics & Narrative Environments
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, INPG - Institut National Polytechnique de Grenoble
2 LIG Laboratoire d'Informatique de Grenoble - IIHM
LIG - Laboratoire d'Informatique de Grenoble, Inria - Institut National de Recherche en Informatique et en Automatique
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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Submitted on : Wednesday, May 29, 2013 - 10:28:01 AM
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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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