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Classification of Temporal Data Based on Self-organizing Incremental Neural Network

Shogo Okada1 and Osamu Hasegawa2

(1)  Department of Computer Intelligence and Systems Science, Tokyo Institute of Technology,  
(2)  Imaging Science and Engineering Laboratory, Tokyo Institute of Technology,  
Abstract
This paper presents an approach (SOINN-DTW) for recognition of temporal data that is based on Self-Organizing Incremental Neural Network (SOINN) and Dynamic Time Warping. Using SOINN’s function that eliminates noise in the input data and represents topological structure of input data, SOINN-DTW method approximates output distribution of each state and is able to construct robust model for temporal data. SOINN-DTW method is the novel method that enhanced Stochastic Dynamic Time Warping Method (Nakagawa,1986). To confirm the effectiveness of SOINN-DTW method, we present an extensive set of experiments that show how our method outperforms HMM and Stochastic Dynamic Time Warping Method in classifying phone data and gesture data.

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