About: Domain Adaptation Via Within-class Covariance Correction in I-Vector Based Speaker Recognition Systerms

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this paper, we have shown a technique of within-class correction for Linear Discriminant Analysis estimation. We have shown that when correct dataset clustering is used, adapting the within-class covariance of LDA by low-rank between-dataset covariance matrix can lead to significant improvement of the system, namely up to 70% in the Domain Adaptation Task, and 17.5% and 36% relative in the RATS unmatched and semi-matched tasks, respectively. The dataset clustering problem gave us an interesting direction for future research. In this paper, we have shown a technique of within-class correction for Linear Discriminant Analysis estimation. We have shown that when correct dataset clustering is used, adapting the within-class covariance of LDA by low-rank between-dataset covariance matrix can lead to significant improvement of the system, namely up to 70% in the Domain Adaptation Task, and 17.5% and 36% relative in the RATS unmatched and semi-matched tasks, respectively. The dataset clustering problem gave us an interesting direction for future research. (en)
Title	Domain Adaptation Via Within-class Covariance Correction in I-Vector Based Speaker Recognition Systerms Domain Adaptation Via Within-class Covariance Correction in I-Vector Based Speaker Recognition Systerms (en)
skos:prefLabel	Domain Adaptation Via Within-class Covariance Correction in I-Vector Based Speaker Recognition Systerms Domain Adaptation Via Within-class Covariance Correction in I-Vector Based Speaker Recognition Systerms (en)
skos:notation	RIV/00216305:26230/14:PU111948!RIV15-MSM-26230___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0070), P(TA01011328)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Burget, Lukáš Glembek, Ondřej Plchot, Oldřich Matějka, Pavel
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta informačních technologií
http://linked.open...dnocenehoVysledku	12155
http://linked.open...ai/riv/idVysledku	RIV/00216305:26230/14:PU111948
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	speaker recognition, i-vectors, source normalization, LDA, inter-dataset variability compensation (en)
http://linked.open.../riv/klicoveSlovo	inter-dataset variability compensation source normalization LDA speaker recognition i-vectors
http://linked.open...ontrolniKodProRIV	[A424233CAF39]
http://linked.open...v/mistoKonaniAkce	Florencie
http://linked.open...i/riv/mistoVydani	Florencie
http://linked.open...i/riv/nazevZdroje	Proceedings of ICASSP 2014
http://linked.open...in/vavai/riv/obor	IN
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	IT4Innovations Centre of Excellence Technologies of speech processing for efficient human-machine communication
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Burget, Lukáš Glembek, Ondřej Matějka, Pavel Plchot, Oldřich Matsoukas, Spyros Zhang, Bing Ma, Jeff
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-05-04 (xsd:date)
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	IEEE Signal Processing Society
https://schema.org/isbn	978-1-4799-2892-7
http://localhost/t...ganizacniJednotka	26230

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