Hand shape classification with a wrist contour sensor: development of a prototype device

Authors:
Rui Fukui;Masahiko Watanabe;Tomoaki Gyota;Masamichi Shimosaka;Tomomasa Sato
Affiliations:
The University of Tokyo, Tokyo, Japan;The University of Tokyo, Tokyo, Japan;Mitsubishi Electronics, Kanagawa, Japan;The University of Tokyo, Tokyo, Japan;The University of Tokyo, Tokyo, Japan
Venue:
Proceedings of the 13th international conference on Ubiquitous computing
Year:
2011

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Abstract

In this paper, we describe a novel sensor device which recognizes hand shapes using wrist contours. Although hand shapes can express various meanings with small gestures, utilization of hand shapes as an interface is rare in domestic use. That is because a concise recognition method has not been established. To recognize hand shapes anywhere with no stress on the user, we developed a wearable wrist contour sensor device and a recognition system. In the system, features, such as sum of gaps, were extracted from wrist contours. We conducted a classification test of eight hand shapes, and realized approximately 70% classification rate.