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  • In the paper we demonstrate a complex supervised learning method based on a binary decision graphs. This method is employed in construction of a silence/speech detector. Performance of the resulting silence/speech detector is compared with performance of common silence/speech detectors used in telecommunications and with a detector based on HMM and a bigram silence/speech language model. Each non-leaf node of a decision graph has assigned a question and a sub-classifier answering this question. We test three kinds of these sub-classifiers: linear classifier, classifier based on separating quadratic hyper-plane (SQHP), and Support Vector Machines (SVM) based classifier. Moreover, besides usage of a single decision graph we investigate application of a set of binary decision graphs.
  • In the paper we demonstrate a complex supervised learning method based on a binary decision graphs. This method is employed in construction of a silence/speech detector. Performance of the resulting silence/speech detector is compared with performance of common silence/speech detectors used in telecommunications and with a detector based on HMM and a bigram silence/speech language model. Each non-leaf node of a decision graph has assigned a question and a sub-classifier answering this question. We test three kinds of these sub-classifiers: linear classifier, classifier based on separating quadratic hyper-plane (SQHP), and Support Vector Machines (SVM) based classifier. Moreover, besides usage of a single decision graph we investigate application of a set of binary decision graphs. (en)
  • V práci demonstrujeme komplexní metodu strojového učení založenou na množině binárních rozhodovacích grafů. Tato metoda je využita při konstrukci detektoru řeči a ticha. Přesnost výsledného detektoru je porovnána s přesností bežných metod pro detekci ticha a řeči používaných v prostředí telekomunikací a s detektorem založeným na HMM s bigramových pseudo-jazykovým modelem. (cs)
Title
  • Silence/speech detection method based on set of decision graphs
  • Metoda detekce řeči a ticha založená na množině rozhodovacích grafů (cs)
  • Silence/speech detection method based on set of decision graphs (en)
skos:prefLabel
  • Silence/speech detection method based on set of decision graphs
  • Metoda detekce řeči a ticha založená na množině rozhodovacích grafů (cs)
  • Silence/speech detection method based on set of decision graphs (en)
skos:notation
  • RIV/49777513:23520/06:00000169!RIV09-AV0-23520___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1ET101470416), P(LC536)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 499242
http://linked.open...ai/riv/idVysledku
  • RIV/49777513:23520/06:00000169
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • binary decision graphs; voice activity detection; support vector machines; G.729; AMR; adaptive multi-rate (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [BF6CCAD01AEA]
http://linked.open...i/riv/mistoVydani
  • Berlin
http://linked.open...i/riv/nazevZdroje
  • Lecture Notes in Artificial Intelligence
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Vaněk, Jan
  • Zelinka, Jan
  • Müller, Luděk
  • Trmal, Jan
http://linked.open...ain/vavai/riv/wos
  • 000241103500068
number of pages
http://purl.org/ne...btex#hasPublisher
  • Springer-Verlag
https://schema.org/isbn
  • 3-540-39090-1
http://localhost/t...ganizacniJednotka
  • 23520
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