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2013 | OriginalPaper | Chapter

Hand Shape Classification with a Wrist Contour Sensor

(Comparison of Feature Types and Observation of Resemblance among Subjects)

Authors : Rui Fukui, Masahiko Watanabe, Masamichi Shimosaka, Tomomasa Sato

Published in: Experimental Robotics

Publisher: Springer International Publishing

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Hand gesture can express rich information. However, existing hand shape recognition methods have several problems. In order to utilize hand gesture in a home automation, we have focused on “wrist contour”, and have developed a wrist-watch-type device that measures wrist contour using photo reflector arrays. In this paper, we try on two challenges: the first is improvement of the hand shape recognition performance, and the second is making clear the effect of personal difference and finding a key to overcome the difference. We collect wrist contour data from 28 subjects and conduct two kinds of experiments. As for the first challenge, three different feature types are compared. The experimental results extract several important contour statistics and the classification rate itself is also improved by introducing multiple subjects’ data for training. As for the second challenge, we compose a resemblance matrix to evaluate resemblance among subjects. The results indicate that training data selection is important to improve the classification performance, especially when we don’t have time to collect enough training data for a new user.

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Metadata
Title
Hand Shape Classification with a Wrist Contour Sensor
Authors
Rui Fukui
Masahiko Watanabe
Masamichi Shimosaka
Tomomasa Sato
Copyright Year
2013
Publisher
Springer International Publishing
DOI
https://doi.org/10.1007/978-3-319-00065-7_62