ShoeSense CHI'12: A New Perspective on Hand Gestures and Wearable Applications
Describes a novel wearable device consisting of a shoe-mounted sensor and offering a novel and unique perspective for eyes-free gestural interaction. Presents and Evaluates three novel gesture sets. Authors: Gilles Bailly, Joerg Mueller, Michael Rohs, Daniel Wigdor, Sven Kratz Link: www.gillesbailly.fr Abstract: When the user is engaged with a real-world task it can be inappropriate or difficult to use a smartphone. To address this concern, we developed ShoeSense, a wearable system consisting in part of a shoe-mounted depth sensor pointing upward at the wearer. ShoeSense recognizes relaxed and discreet as well as large and demonstrative hand gestures. In particular, we designed three gesture sets (Triangle, Radial,and Finger-Count) for this setup, which can be performed without visual attention. The advantages of ShoeSense are illustrated in five scenarios: (1) quickly performing frequent operations without reaching for the phone, (2) discreetly performing operations without disturbing others, (3) enhancing operations on mobile devices, (4) supporting accessibility, and (5) artistic performances. We present a proof-of-concept, wearable implementation based on a depth camera and report on a lab study comparing social acceptability, physical and mental demand, and user preference. A second study demonstrates a 94-99% recognition rate of our recognizers.
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