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Linear transformations of features f...

Hwang, Andrew I.

Linear transformations of features for automatic speech recognition .

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Linear transformations of features for automatic speech recognition ./
作者:	Hwang, Andrew I.
面頁冊數:	82 p.
附註:	Source: Masters Abstracts International, Volume: 50-02, page: 1195.
Contained By:	Masters Abstracts International50-02.
標題:	Engineering, Electronics and Electrical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1499661
ISBN:	9781124880990

Linear transformations of features for automatic speech recognition .
Hwang, Andrew I.

Linear transformations of features for automatic speech recognition . - 82 p.

Source: Masters Abstracts International, Volume: 50-02, page: 1195.

Thesis (M.S.)--State University of New York at Binghamton, 2011.

Principal Component Analysis (PCA), Linear Discriminant Analysis (LDA), Heteroschedastic Linear Discriminant Analysis (HLDA), and Independent Component Analysis (ICA) are the techniques used in this work to reduce features and improve data analysis for classification. They are used in conjunction with the Non-Linear Discriminant Analysis (NLDA), where a Neural Network (NN) reduces dimensions, and a linear transform is applied to the data extracted from the bottleneck layer. This combination improves phonetic classification performance compared to the individual use of NLDA or the particular linear transforms analyzed in this work. For phonetic recognition using a Hidden Markov Model (HMM), the PCA, LDA and HLDA are used in combination with the NLDA and compared using different numbers of HMM mixture components. The NLDA/PCA was found to be superior to NLDA with any other linear transform in terms of automatic speech recognition accuracy.

ISBN: 9781124880990Subjects--Topical Terms:

845382
Engineering, Electronics and Electrical.

Linear transformations of features for automatic speech recognition .
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