Conference paper

KARAFIÁT Martin, GRÉZL František, SCHWARZ Petr, BURGET Lukáš and ČERNOCKÝ Jan. Robust heteroscedastic linear discriminant analysis and LCRC posterior features in meeting data recognition. In: Proc. 3nd Joint Workshop on Multimodal Interaction and Related Machine Learning Algorithms (MLMI 2006). Berlin: Springer Verlag, 2006, pp. 275-284. ISBN 3-540-69267-3.
Publication language:english
Original title:Robust heteroscedastic linear discriminant analysis and LCRC posterior features in meeting data recognition
Title (cs):Robustní heteroscedastická lineární dikriminační analýza a LCRC posteriorní příznaky v rozpoznávání meetingových dat
Pages:275-284
Proceedings:Proc. 3nd Joint Workshop on Multimodal Interaction and Related Machine Learning Algorithms (MLMI 2006)
Conference:3nd Joint Workshop on Multimodal Interaction and Related Machine Learning Algorithms
Series:LNCS 4299
Place:Berlin, DE
Year:2006
ISBN:3-540-69267-3
Publisher:Springer Verlag
URL:http://www.fit.vutbr.cz/~cernocky/publi/2006/karafiat_mlmi2006_honza.pdf [PDF]
Keywords
speech recognition, feature extraction, acoustic modeling
Annotation
The paper deals with robust heteroscedastic linear discriminant analysis and LCRC posterior features in meeting data recognition
Abstract
This paper investigates into feature extraction for meeting recognition. Three robust variants of popular HLDA transform are investigated. Influence of adding posterior features to PLP feature stream is studied. The experimental results are obtained on two data-sets: CTS (continuous telephone speech) and meeting data from NIST RT'05 evaluations. Silence-reduced HLDA and LCRC phoneme-state posterior features are found to be suitable for both recognition tasks.
BibTeX:
@INPROCEEDINGS{
   author = {Martin Karafi{\'{a}}t and Franti{\v{s}}ek Gr{\'{e}}zl and
	Petr Schwarz and Luk{\'{a}}{\v{s}} Burget and Jan
	{\v{C}}ernock{\'{y}}},
   title = {Robust heteroscedastic linear discriminant analysis and LCRC
	posterior features in meeting data recognition},
   pages = {275--284},
   booktitle = {Proc. 3nd Joint Workshop on Multimodal Interaction and
	Related Machine Learning Algorithms (MLMI 2006)},
   series = {LNCS 4299},
   year = {2006},
   location = {Berlin, DE},
   publisher = {Springer Verlag},
   ISBN = {3-540-69267-3},
   language = {english},
   url = {http://www.fit.vutbr.cz/research/view_pub.php?id=8236}
}

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