Regularized feature space discrimination adaptation

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United States of America Patent

PATENT NO 9251784
APP PUB NO 20150112669A1
SERIAL NO

14060972

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Abstract

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A method and apparatus are provided for training a transformation matrix of a feature vector for an acoustic model. The method includes training the transformation matrix of the feature vector. The transformation matrix maximizes an objective function having a regularization term. The method further includes transforming the feature vector using the transformation matrix of the feature vector, and updating the acoustic model stored in a memory device using the transformed feature vector.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukuda, Takashi Kanagawa-ken, JP 166 1349
Goel, Vaibhava Chappaqua, US 48 984
Rennie, Steven J Yorktown Heights, US 7 169

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