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- W2153231796 abstract "Acoustic analysis is a proper method in vocal fold pathology diagnosis so that it can complement and in some cases replace the other invasive, based on direct vocal fold observation, methods. There are d ifferent approaches and algorith ms for vocal fold pathology diagnosis. These algorithms usually have three stages which are Feature Extraction, Feature Reduction and Classification. While the third stage imp lies a choice of a variety of machine learning methods (Support Vector Machines, Artificial Neural Networks, etc), the first and second stages play a critical ro le in performance and accuracy of the classification system. In this paper we present initial study of feature ext raction and feature reduction in the task of vocal fold pathology diagnosis. A new type of feature vector, based on wavelet packet decomposition and Mel-Frequency-Cepstral-Coefficients (MFCCs), is proposed. Also a new GA-based method for feature reduction stage is proposed and compared with conventional methods such as Principal Co mponent Analysis (PCA). Support vector machine is used as a classifier for evaluating the performance of the proposed method. The results show the priority of the proposed method in co mparison with the current methods." @default.
- W2153231796 created "2016-06-24" @default.
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- W2153231796 date "2013-07-16" @default.
- W2153231796 modified "2023-10-14" @default.
- W2153231796 title "A Hybrid of Genetic Algorithm and Support Vector Machine for Feature Reduction and Detection of Vocal Fold Pathology" @default.
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- W2153231796 doi "https://doi.org/10.5815/ijigsp.2013.09.01" @default.
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