Článek ve sborníku konference

MARTÍNEZ González David, PLCHOT Oldřich, BURGET Lukáš, GLEMBEK Ondřej a MATĚJKA Pavel. Language Recognition in iVectors Space. In: Proceedings of Interspeech 2011. Florence: International Speech Communication Association, 2011, s. 861-864. ISBN 978-1-61839-270-1. ISSN 1990-9772.
Jazyk publikace:angličtina
Název publikace:Language Recognition in iVectors Space
Název (cs):Rozpoznávání jazyka v prostoru iVektorů
Sborník:Proceedings of Interspeech 2011
Konference:Interspeech 2011
Místo vydání:Florence, IT
Časopis:Proceedings of Interspeech, roč. 2011, č. 8, FR
Vydavatel:International Speech Communication Association
URL:http://www.fit.vutbr.cz/research/groups/speech/publi/2011/martinez_interspeech2011_291.pdf [PDF]
Klíčová slova
Acoustic Language Recognition, iVectors, Joint Factor Analysis
Tento článek pojednává o rozpoznávání jazyka v prostoru iVektorů.
Byl vyvinut nový přístup pro rozpoznávání jazyka.
The concept of so called iVectors, where each utterance is represented by fixed-length low-dimensional feature vector, has recently become very successfully in speaker verification. In this work, we apply the same idea in the context of Language Recognition (LR). To recognize language in the iVector space, we experiment with three different linear classifiers: one based on a generative model, where classes are modeled by Gaussian distributions with shared covariance matrix, and two discriminative classifiers, namely linear Support Vector Machine and Logistic Regression. The tests were performed on the NIST LRE 2009 dataset and the results were compared with stateof- the-art LR based on Joint Factor Analysis (JFA). While the iVector system offers better performance, it also seems to be complementary to JFA, as their fusion shows another improvement.
   author = {David Gonz{\'{a}}lez Mart{\'{i}}nez and Old{\v{r}}ich Plchot
	and Luk{\'{a}}{\v{s}} Burget and Ond{\v{r}}ej Glembek and
	Pavel Mat{\v{e}}jka},
   title = {Language Recognition in iVectors Space},
   pages = {861--864},
   booktitle = {Proceedings of Interspeech 2011},
   journal = {Proceedings of Interspeech},
   volume = {2011},
   number = {8},
   year = {2011},
   location = {Florence, IT},
   publisher = {International Speech Communication Association},
   ISBN = {978-1-61839-270-1},
   ISSN = {1990-9772},
   language = {english},
   url = {http://www.fit.vutbr.cz/research/view_pub.php.cs.iso-8859-2?id=9754}

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