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Ing. Peter Viszlay, PhD.

Peter Viszlay
Phone:+421(55) 602 1145,
E-mail:Peter.Viszlay@tuke.sk
Address: Boženy Němcovej 32 13
Room number: L609

Research areas

Automatic speech recognition, robust speech processing methods, linear feature transformations of speech parameters, acoustic modeling, separation of speech signals in different environments, feature selection, new speech analysis approaches.

Teaching

ITSS – 2612061– Interactive telecommunication systems and services

Education and degrees

Philosophiae Doctor – Technical university of Košice, Slovak Republic, 2013
Magister – Technical university of Košice, Slovak Republic, 2009

Position in industry

SOS electronic s.r.o – external worker, Košice, SK, 2008-2009

Project participant

Development of the Center of Information and Communication Technologies for Knowledge Systems (project number: ITMS: 26220120030), supported by the Research & Development Operational Program funded by the ERDF, 2010-2012.
Competency Centre for Knowledge technologies applied in Innovation of Production Systems in Industry and Services (project number: ITMS: 26220220155), supported by the Research & Development Operational Program funded by the ERDF, 2011-2013.

Awards

Cena za najlepší študentský vedecký článok s názvom „Modified Estimation of Between-Class Covariance Matrix in Linear Discriminant Analysis of Speech“, Medzinárodná konferencia – The 20th International Conference on Systems, Signals and Image Processing, IWSSIP 2013, Bukurešť, Rumunsko, júl 2013.

Cena za najlepší študentský článok v sekcii Spracovanie reči (Best student paper award in the field of speech processing) s názvom „Alternative Phonetic Class Definition in Linear Discriminant Analysis of Speech“, Medzinárodná konferencia – The 19th International Conference on Systems, Signals and Image Processing, IWSSIP 2012, Viedeň, Rakúsko, apríl 2012.
Cena dekana Fakulty elektrotechniky a informatiky TU v Košiciach za najlepšiu prezentáciu v sekcii IT (Informatics and Telecommunications) s názvom „Eigenvalue-Sensitive Partial Subspace Training for Large Speech Corpora“, Konferencia mladých výskumníkov SCYR 2012, Herľany, máj 2012.

Selected publications

  1. JUHÁR, J. et al. Rečové technológie v telekomunikačných a informačných systémoch. Košice, EQUILIBRIA, 2011. 517 s, ISBN 978-80-89284-75-7.
  2. VISZLAY, P., JUHÁR, J. Linear Feature Transformations in Slovak Phoneme-Based Continuous Speech Recognition. In: Speech Recognition, InTech Publisher. 2012, ISBN 979-953-307-790-0.
  3. VOZÁRIKOVÁ, E. et al. Acoustic Events Detection via PCA-based Feature Extraction. In: Journal of Computer Science and Control Systems. Vol. 3, no. 2, pp. 99-102. ISSN 1844-6043. 2010.
  4. VISZLAY, P., PLEVA, M., JUHÁR, J. Dimension Reduction with Principal Component Analysis Applied to Speech Supervectors. In: Journal of Electrical Electrical and Electronics Engineering, May, 2011, Vol. 4, no. 1, pp. 245-250, ISSN 1844-6035.
  5. VISZLAY, P., JUHÁR, J., PLEVA, M. Two-Dimensional Linear Subspace Learning Based on Discriminant Analysis of Speech. In: Journal of Electrical and Electronics Engineering. 2012.
  6. VISZLAY, P., JANEČKO, J., JUHÁR, J. Eigenvalue Criterion-Based Feature Selection in Principal Component Analysis of Speech. In: Proc. of the 14th International Conference on Research in Telecommunication Technologies RTT 2011, Conference date: September 12-14, 2012. Slovakia.
  7. VISZLAY, P., MUCHANIČ, M., JUHÁR, J. Fepstrálna analýza v systéme automatického rozpoznávania reči. In: Electrical Engineering and Informatics III, Proc. of the Faculty of Electrical Engineering and Informatics of the Technical University of Košice, 2012.
  8. VISZLAY, P., PLEVA, M., JUHÁR, J., STAŠ, J. PCA-based acoustic model with logarithmic mel-filterbank features. In Proceedings of 12th International Conference on Research in Telecommunication Technologies RTT 2010. 8-10th September 2010. Velké Losiny, Czech Republic.
  9. VISZLAY, P., JUHÁR, J. Feature Selection for Partial Training of Transformation Matrix in PCA. In: Proc. of the 13th International Conference on Research in Telecommunication Technologies RTT 2011, September 7.-9., 2011, Czech Republic.
  10. VISZLAY, P., JUHÁR, J., PLEVA, M. Alternative Phonetic Class Definition in Linear Discriminant Analysis of Speech. In: IWSSIP 2012: 19th International Conference on Systems, Signals and Image Processing (IWSSIP), 11. – 13.4.2012, Viedeň, Austria. pp. 655-658, ISBN 978-3-200-02588-2.
  11. VISZLAY, P., PLEVA, M., JUHÁR, J. Comparison of different feature decorrelation techniques used in HMM-based acoustic models. In: Digital technologies 2010, 7th International workshop on digital technologies, circuits, system and signal processing, November 11-12, 2010, Žilina, Slovakia. pp. 1-4, ISBN 978-80-554-0304-5.
  12. VISZLAY, P. Experiments with Principal Component Analysis Applied to Speech Multi-frames. In: SCYR 2011, 11th Scientific Conference of Young Researchers of Faculty of Electrical Engineering and Informatics Technical University of Košice, 2011, pp. 284-287. ISBN 978-80-553-0644-5.
  13. VISZLAY, P., JUHÁR, J. Performance of Principal Component Analysis in Different Applications. In. Proc. of 5th International Workshop on Multimedia and Signal Processing, Redžúr 2011, Bratislava, May, 2011.
  14. VISZLAY, P. Eigenvalue-Sensitive Partial Subspace Training for Large Speech Corpora. In: SCYR 2012 : Proceedings from conference : 12th Scientific Conference of Young Researchers, May 15th, 2012, Herľany, Slovakia. pp. 15-18, ISBN 978-80-553-0943-9
  15. VISZLAY, P. Unsupervised linear discriminant subspace training based on heuristic eigenspectrum analysis of speech. In Proc. of the Scientific Conf. of Young Researchers, (SCYR’13), Košice, Slovakia, 2013.

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