Volume 6 Number 5 (May 2011)
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JSW 2011 Vol.6(5): 887-893 ISSN: 1796-217X
doi: 10.4304/jsw.6.5.887-893

Consonant Recognition of Dysarthria Based on Wavelet Transform and Fuzzy Support Vector Machines

Zhuo-ming Chen1, Wei-xin Ling2, Jian-hui Zhao2, Tao-tao Yao1
1The First Affiliated Hospital, Jinan University, Guangzhou, China
2School of Science, South China University of Technology, Guangzhou, China

Abstract—Consonant(in Chinese) recognition had important clinical significance in the assessment of dysarthria, while the consonants were so short and unstable that the recognition results of traditional methods were ineffective. The algorithm described in this paper extracted a new feature(DWTMFC-CT) of the consonants employing wavelet transformation, and the difference of similar consonants can be described more accurately by the feature. Then the algorithm classified consonants using multi-class fuzzy support vector machines(FSVM). In order to reduce the computation complexity caused by using the standard fuzzy support vector machines for multi-class classification, this paper proposed a algorithm based on two stages. Experimental results shown that the proposed algorithm could get better classification results while reducing the training time greatly.

Index Terms—wavelets transform, fuzzy theory, support vector machines, consonant recognition


Cite: Zhuo-ming Chen, Wei-xin Ling, Jian-hui Zhao, Tao-tao Yao, "Consonant Recognition of Dysarthria Based on Wavelet Transform and Fuzzy Support Vector Machines," Journal of Software vol. 6, no. 5, pp. 887-893, 2011.

General Information

ISSN: 1796-217X (Online)
Frequency:  Bimonthly (Since 2020)
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, Google Scholar, ProQuest, INSPEC(IET), ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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