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Optimal Consensus Intuitive Hand Gesture Vocabulary Design

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3 Author(s)
Helman I. Stern ; Dept. of Ind. Eng. & Manage., Ben-Gurion Univ. of the Negev, Beer-Sheva ; Juan P. Wachs ; Yael Edan

Gesture interfaces are needed for natural intuitive communication with machine devices. Hand gesture intuitiveness is the cognitive association between a command or intent, and its physical gestural expression. Using an automated tool we quantified intuitive indices for static gesture commands for a car navigation task. A small number of gestures were selected to express most of the commands with 1/3 used only by single individuals. This followed a power function analogous to Zipf's Law for languages. We found gesture preferences to be highly individualized, providing evidence to refute the hypothesis of the universality of gestures. A mathematical program was formulated to obtain a consensus gesture vocabulary for a car navigation system with the objective of maximizing total intuitiveness. We also introduced the notion of complex consensus gesture vocabularies in which multi-gestures are associated with single commands and multi-commands are associated with single gestures. We recommend hybrid gesture vocabularies, decided by consensus with several gestures selected individually.

Published in:

Semantic Computing, 2008 IEEE International Conference on

Date of Conference:

4-7 Aug. 2008