Kernel Springy Discriminant Analysis and Its Application to a Phonological Awareness Teaching System

Authors:
András Kocsor;Kornél Kovács
Affiliations:
-;-
Venue:
TSD '02 Proceedings of the 5th International Conference on Text, Speech and Dialogue
Year:
2002

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Abstract

Making use of the ubiquitous kernel notion, we present a new nonlinear supervised feature extraction technique called Kernel Springy Discriminant Analysis. We demonstrate that this method can efficiently reduce the number of features and increase classification performance. The improvements obtained admittedly arise from the nonlinear nature of the extraction technique developed here. Since phonological awareness is a great importance in learning to read, a computer-aided training system could be most beneficial in teaching young learners. Naturally, our system employs an effective automatic phoneme recognizer based on the proposed feature extraction technique.