About: Independent components for acoustic modeling

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	V článku prezentujeme komparativní studii nekolika dnes používaných metod pro extrakci a selekci příznaků. Porovnali jsme řadu ICA algoritmů oproti běžně používaným metodám DCT a PCA. Porovnání bylo provedeno na dvou úlohách. Jedná se jednak o úlohu verifikace řečníka a jednak o úlohu detekce řeči. Přesnost těchto systémů byla námi zvolenou metodikou významně pozitivně ovlivněna a to jen za cenu velmi mírně zvýšených nároků. Navíc, kde to bylo možné, jsme provedli stručné porovnání schopností extrahovat pro danou úlohu užitečnou informaci. (cs) In the paper, we present a comparative study of several methods used nowadays in the field of feature and information extraction. We compared several Independent Component Analysis (ICA) algorithms together with the commonly used Principal Component Analysis (PCA) algorithm in two real-world tasks. The first task was a Voice Activity Detection (VAD), the second is Speaker Verification and Recognition (SVR). The VAD system as well as the SVR system benefited from the ICA decompositions. Moreover, a brief comparison of the information extraction ability is described. In the paper, we present a comparative study of several methods used nowadays in the field of feature and information extraction. We compared several Independent Component Analysis (ICA) algorithms together with the commonly used Principal Component Analysis (PCA) algorithm in two real-world tasks. The first task was a Voice Activity Detection (VAD), the second is Speaker Verification and Recognition (SVR). The VAD system as well as the SVR system benefited from the ICA decompositions. Moreover, a brief comparison of the information extraction ability is described. (en)
Title	Independent components for acoustic modeling Independent components for acoustic modeling (en) Nezávislé komponenty v akustickém modelování (cs)
skos:prefLabel	Independent components for acoustic modeling Independent components for acoustic modeling (en) Nezávislé komponenty v akustickém modelování (cs)
skos:notation	RIV/49777513:23520/06:00500118!RIV09-AV0-23520___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1ET101470416), P(GA102/05/0278), P(LC536)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Vaněk, Jan Müller, Luděk Trmal, Jan Zelinka, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Západočeská univerzita v Plzni / Fakulta aplikovaných věd
http://linked.open...dnocenehoVysledku	479213
http://linked.open...ai/riv/idVysledku	RIV/49777513:23520/06:00500118
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	independent components; principal components; ICA; linear transforms; speaker verification and recognition; voice activity detection (en)
http://linked.open.../riv/klicoveSlovo	linear transforms voice activity detection principal components ICA independent components speaker verification and recognition
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[03F4E82E8EDF]
http://linked.open...i/riv/nazevZdroje	Interspeech 2006
http://linked.open...in/vavai/riv/obor	JD
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Multimodal human sign language and speech processing for man-machine communication Integrated center for natural language processing New trends in research and application of voice technology
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	2006
http://linked.open...iv/tvurceVysledku	Vaněk, Jan Zelinka, Jan Müller, Luděk Trmal, Jan
issn	1990-9772
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	23520

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