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Making gestural input from arm-worn inertial sensors more practical
Conference proceeding

Making gestural input from arm-worn inertial sensors more practical

Louis Kratz, Daniel Morris and T. Scott Saponas
Proceedings of the SIGCHI Conference on human factors in computing systems, pp 1747-1750
05 May 2012
DOI: https://doi.org/10.1145/2207676.2208304

Abstract

gesture recognition hidden markov models
Gestural input can greatly improve computing experiences away from the desktop, and has the potential to provide always-available access to computing. Specifically, accelerometers and gyroscopes worn on the arm (e.g., in a wristwatch) can sense arm gestures, enabling natural input in untethered scenarios. Two core components of any gesture recognition system are detecting when a gesture is occurring and classifying which gesture a person has performed. In previous work, accurate detection has required significant computation, and high-accuracy classification has come at the cost of training the system on a per-user basis. In this note, we present a gesture detection method whose computational complexity does not depend on the duration of the gesture, and describe a novel method for recognizing gestures with only a single example from a new user.

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