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Gesture recognition using sparse code of Hierarchical SOM

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2 Author(s)
Alsushi Shimada ; Department of Intelligent Systems, Kyushu University, Japan ; Rin-ichiro Taniguchi

We propose an approach to recognize time-series gesture patterns with Hierarchical Self-Organizing Map(HSOM). One of the key issue of the time-series pattern recognition is to absorb the time variant appropriately and to make clusters which include the same gesture class. In our approach, we arrange the SOM hierarchically. In each layer of the SOM the time-series patterns divided into some periods; postures, gesture elements and gestures. They are learned in each layer of HSOM. For example, postures are learned in the first layer, gesture elements are learned in the second layer and so on. Using the sparse code in the bottom layer, the SOM can perform time invariant recognition of the gesture elements and gestures.

Published in:

Pattern Recognition, 2008. ICPR 2008. 19th International Conference on

Date of Conference:

8-11 Dec. 2008