Read e-book online Acoustic Modeling for Emotion Recognition PDF

By Koteswara Rao Anne, Swarna Kuchibhotla, Hima Deepthi Vankayalapati

ISBN-10: 3319155296

ISBN-13: 9783319155296

ISBN-10: 331915530X

ISBN-13: 9783319155302

This e-book offers nation of artwork study in speech emotion acceptance. Readers are first provided with simple learn and purposes – steadily extra develop details is supplied, giving readers accomplished tips for classify feelings via speech. Simulated databases are used and effects greatly in comparison, with the good points and the algorithms applied utilizing MATLAB. numerous emotion attractiveness versions like Linear Discriminant research (LDA), Regularized Discriminant research (RDA), aid Vector Machines (SVM) and K-Nearest neighbor (KNN) and are explored intimately utilizing prosody and spectral beneficial properties, and have fusion thoughts.

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Extra info for Acoustic Modeling for Emotion Recognition

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In the fusion process, multiple decisions are fused into single decision. 2 shows the fusion at decision level. For decision level fusion, we can use either multiple samples for the same type of sensors or multiple sample from different types of sensors [56]. Here multiple samples from the same type of sensor information namely acoustic features are processed independently and finally the decisions of the appropriate classifiers are fused as shown in Fig. 2 Multi Modal Feature Fusion 31 c1 c2 f9 f10 f11 f12 f13 f14 f15 f16 1 1 1 1 1 1 1 1 1 1 0 1 0 0 0 0 1 1 1 1 1 0 0 0 1 1 0 0 1 1 1 1 0 1 0 1 0 1 0 1 Fig.

The basis vector is of high dimensional, so we need to reduce the dimensionality. After forming the basis vector, the feature vector is calculated by projecting the train database speech samples into the basis vector. Then the matching is done by using distance measures. In this book, two data sets are taken. The training set contains many folders depending upon the selection of the data base. Each folder contains different emotional speech samples. Test set contains one speech sample. For different pattern recognition tasks, the statistical approach performs well for both supervised and unsupervised types.

The distance from the hyperplane to the closest points of the two classes on both sides of the hyperplane is called margin M of the hyperplane. To maximize the margin M, has to be minimized subject to conditions. n. 25) This is a quadratic optimization problem. Lagrangian function is used to solve this problem and obtain appropriate Langrange multipliers (ααk ). 26) i=1 The Lagrangian L has to be minimized with respect to the primal variables w and b and maximized with respect to the dual variables Then we obtain weight vector for the optimal hyperplane and is a linear combination of support vectors.

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Acoustic Modeling for Emotion Recognition by Koteswara Rao Anne, Swarna Kuchibhotla, Hima Deepthi Vankayalapati

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