About: Combination of strongly and weakly constrained recognizers for reliable detection of OOVs

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper addresses the detection of OOV segments in the output of large vocabulary continuous speech recognition (LVCSR) system. First, standard confidence measures based on frame-based word- and phone- posteriors are investigated. Substantial improvement was however obtained when posteriors from two systems - strongly constrained (LVCSR) and weakly constrained (phone posterior estimator) were combined. We show that this approach is suitable also for the detection of general recognition errors. All the results are presented on WSJ task with reduced recognition vocabulary. <br> This paper addresses the detection of OOV segments in the output of large vocabulary continuous speech recognition (LVCSR) system. First, standard confidence measures based on frame-based word- and phone- posteriors are investigated. Substantial improvement was however obtained when posteriors from two systems - strongly constrained (LVCSR) and weakly constrained (phone posterior estimator) were combined. We show that this approach is suitable also for the detection of general recognition errors. All the results are presented on WSJ task with reduced recognition vocabulary. <br> (en)
Title	Combination of strongly and weakly constrained recognizers for reliable detection of OOVs Combination of strongly and weakly constrained recognizers for reliable detection of OOVs (en)
skos:prefLabel	Combination of strongly and weakly constrained recognizers for reliable detection of OOVs Combination of strongly and weakly constrained recognizers for reliable detection of OOVs (en)
skos:notation	RIV/00216305:26230/08:PU76669!RIV10-MSM-26230___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA102/08/0707), P(GP102/06/P383), Z(MSM0021630528)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Burget, Lukáš Černocký, Jan Matějka, Pavel Schwarz, Petr Heřmanský, Hynek Hannemann, Mirko
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	360398
http://linked.open...ai/riv/idVysledku	RIV/00216305:26230/08:PU76669
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	speech processing, speech recognition, OOV detection, utterance verification<br> (en)
http://linked.open.../riv/klicoveSlovo	speech processing speech recognition OOV detection utterance verification<br>
http://linked.open...ontrolniKodProRIV	[B8B4D244A97C]
http://linked.open...v/mistoKonaniAkce	Las Vegas
http://linked.open...i/riv/mistoVydani	Las Vegas
http://linked.open...i/riv/nazevZdroje	Proc. International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
http://linked.open...in/vavai/riv/obor	JC
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...vavai/riv/projekt	Speech Recognition under Real-World Conditions Interactive Keyword Detector
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Burget, Lukáš Schwarz, Petr Černocký, Jan Matějka, Pavel Khudanpur, Sanjeev Rastrow, Ariya Hannemann, Mirko Heřmanský, Hynek White, Christopher
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2008-03-30 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Výzkum informačních technologií z hlediska bezpečnosti
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	IEEE Signal Processing Society
https://schema.org/isbn	1-4244-1484-9
http://localhost/t...ganizacniJednotka	26230
is http://linked.open...avai/riv/vysledek of	Combination of strongly and weakly constrained recognizers for reliable detection of OOVs Combination of strongly and weakly constrained recognizers for reliable detection of OOVs Combination of strongly and weakly constrained recognizers for reliable detection of OOVs Combination of strongly and weakly constrained recognizers for reliable detection of OOVs

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