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Gesture interface: modeling and learning

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3 Author(s)
Jie Yang ; Robotics Inst., Carnegie Mellon Univ., Pittsburgh, PA, USA ; Yangsheng Xu ; C. S. Chen

This paper presents a method for developing a gesture-based system using a multidimensional hidden Markov model (HMM). Instead of using geometric features, gestures are converted into sequential symbols. HMMs are employed to represent the gestures and their parameters are learned from the training data. Based on “the most likely performance” criterion, the gestures can be recognized by evaluating the trained HMMs. We have developed a prototype to demonstrate the feasibility of the proposed method. The system achieved 99.78% accuracy for a 9 gesture isolated recognition task. Encouraging results were also obtained from experiments of continuous gesture recognition. The proposed method is applicable to any multidimensional signal representation gesture, and will be a valuable tool in telerobotics and human computer interfacing

Published in:

Robotics and Automation, 1994. Proceedings., 1994 IEEE International Conference on

Date of Conference:

8-13 May 1994