Abstract
In this paper, we introduce a new vision based interaction technique for mobile phones. The user operates the interface by simply moving a finger in front of a camera. During these movements the finger is tracked using a method that embeds the Kalman filter and Expectation Maximization (EM) algorithms. Finger movements are interpreted as gestures using Hidden Markov Models (HMMs). This involves first creating a generic model of the gesture and then utilizing unsupervised Maximum a Posteriori (MAP) adaptation to improve the recognition rate for a specific user. Experiments conducted on a recognition task involving simple control commands clearly demonstrate the performance of our approach.
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Hannuksela, J., Barnard, M., Sangi, P., Heikkilä, J. (2008). Adaptive Motion-Based Gesture Recognition Interface for Mobile Phones. In: Gasteratos, A., Vincze, M., Tsotsos, J.K. (eds) Computer Vision Systems. ICVS 2008. Lecture Notes in Computer Science, vol 5008. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-79547-6_26
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DOI: https://doi.org/10.1007/978-3-540-79547-6_26
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-79546-9
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