Frantisek Grézl

Publication Activity (10 Years)

Years Active: 2002-2018
Publications (10 Years): 19

Top Topics

Feature Extractor

Keyword Spotting

Invariant Moments

Top Venues

Publications

Murali Karthick Baskar, Martin Karafiát, Lukás Burget, Karel Veselý, Frantisek Grézl, Jan Honza Cernocký
Residual Memory Networks: Feed-forward approach to learn long temporal dependencies. CoRR (2018)
Martin Karafiát, Murali Karthick Baskar, Karel Veselý, Frantisek Grézl, Lukás Burget, Jan Cernocký
Analysis of Multilingual Blstm Acoustic Model on Low and High Resource Languages. ICASSP (2018)
Martin Karafiát, Murali Karthick Baskar, Igor Szöke, Vladimír Malenovský, Karel Veselý, Frantisek Grézl, Lukás Burget, Jan Cernocký
BUT OpenSAT 2017 Speech Recognition System. INTERSPEECH (2018)
Oldrich Plchot, Pavel Matejka, Ondrej Novotný, Sandro Cumani, Alicia Lozano-Diez, Josef Slavícek, Mireia Díez, Frantisek Grézl, Ondrej Glembek, Mounika Kamsali, Anna Silnova, Lukás Burget, Lucas Ondel, Santosh Kesiraju, Johan Rohdin
Analysis of BUT-PT Submission for NIST LRE 2017. Odyssey (2018)
Anna Silnova, Pavel Matejka, Ondrej Glembek, Oldrich Plchot, Ondrej Novotný, Frantisek Grézl, Petr Schwarz, Lukás Burget, Jan Cernocký
BUT/Phonexia Bottleneck Feature Extractor. Odyssey (2018)
Radek Fér, Pavel Matejka, Frantisek Grézl, Oldrich Plchot, Karel Veselý, Jan Honza Cernocký
Multilingually trained bottleneck features in spoken language recognition. Comput. Speech Lang. 46 (2017)
Martin Karafiát, Murali Karthick Baskar, Pavel Matejka, Karel Veselý, Frantisek Grézl, Lukás Burget, Jan Cernocký
2016 BUT Babel System: Multilingual BLSTM Acoustic Model with i-Vector Based Adaptation. INTERSPEECH (2017)
Murali Karthick Baskar, Martin Karafiát, Lukás Burget, Karel Veselý, Frantisek Grézl, Jan Cernocký
Residual memory networks: Feed-forward approach to learn long-term temporal dependencies. ICASSP (2017)
Martin Karafiát, Murali Karthick Baskar, Pavel Matejka, Karel Veselý, Frantisek Grézl, Jan Cernocký
Multilingual BLSTM and speaker-specific vector adaptation in 2016 but babel system. SLT (2016)
Martin Karafiát, Lukás Burget, Frantisek Grézl, Karel Veselý, Jan Honza Cernocký
Multilingual region-dependent transforms. ICASSP (2016)
Anna Popková, Filip Povolný, Pavel Matejka, Ondrej Glembek, Frantisek Grézl, Jan Honza Cernocký
Investigation of Bottle-Neck Features for Emotion Recognition. TSD (2016)
Ondrej Novotný, Pavel Matejka, Ondrej Glembek, Oldrich Plchot, Frantisek Grézl, Lukás Burget, Jan Honza Cernocký
Analysis of the DNN-based SRE systems in multi-language conditions. SLT (2016)
Frantisek Grézl, Martin Karafiát
Bottle-Neck Feature Extraction Structures for Multilingual Training and Porting. SLTU (2016)
Frantisek Grézl, Ekaterina Egorova, Martin Karafiát
Study of Large Data Resources for Multilingual Training and System Porting. SLTU (2016)
Frantisek Grézl, Martin Karafiát
Boosting performance on low-resource languages by standard corpora: An analysis. SLT (2016)
Pavel Matejka, Ondrej Glembek, Ondrej Novotný, Oldrich Plchot, Frantisek Grézl, Lukás Burget, Jan Cernocký
Analysis of DNN approaches to speaker identification. ICASSP (2016)
Roger Hsiao, Jeff Z. Ma, William Hartmann, Martin Karafiát, Frantisek Grézl, Lukás Burget, Igor Szöke, Jan Cernocký, Shinji Watanabe, Zhuo Chen, Sri Harish Reddy Mallidi, Hynek Hermansky, Stavros Tsakalidis, Richard M. Schwartz
Robust speech recognition in unknown reverberant and noisy conditions. ASRU (2015)
Martin Karafiát, Frantisek Grézl, Lukás Burget, Igor Szöke, Jan Cernocký
Three ways to adapt a CTS recognizer to unseen reverberated speech in BUT system for the ASpIRE challenge. INTERSPEECH (2015)
Radek Fér, Pavel Matejka, Frantisek Grézl, Oldrich Plchot, Jan Cernocký
Multilingual bottleneck features for language recognition. INTERSPEECH (2015)
Frantisek Grézl, Martin Karafiát
Adapting multilingual neural network hierarchy to a new language. SLTU (2014)
Martin Karafiát, Frantisek Grézl, Karel Veselý, Mirko Hannemann, Igor Szöke, Jan Cernocký
BUT 2014 Babel system: analysis of adaptation in NN based systems. INTERSPEECH (2014)
Frantisek Grézl, Ekaterina Egorova, Martin Karafiát
Further investigation into multilingual training and adaptation of stacked bottle-neck neural network structure. SLT (2014)
Frantisek Grézl, Martin Karafiát, Karel Veselý
Adaptation of multilingual stacked bottle-neck neural network structure for new language. ICASSP (2014)
Frantisek Grézl, Martin Karafiát
Combination of multilingual and semi-supervised training for under-resourced languages. INTERSPEECH (2014)
Martin Karafiát, Frantisek Grézl, Mirko Hannemann, Jan Cernocký
But neural network features for spontaneous Vietnamese in BABEL. ICASSP (2014)
Igor Szöke, Lukás Burget, Frantisek Grézl, Jan Cernocký, Lucas Ondel
Calibration and fusion of query-by-example systems - But SWS 2013. ICASSP (2014)
Martin Karafiát, Karel Veselý, Igor Szöke, Lukás Burget, Frantisek Grézl, Mirko Hannemann, Jan Cernocký
But ASR system for BABEL Surprise evaluation 2014. SLT (2014)
Igor Szöke, Lukás Burget, Frantisek Grézl, Lucas Ondel
BUT SWS 2013 - Massive Parallel Approach. MediaEval (2013)
Martin Karafiát, Frantisek Grézl, Mirko Hannemann, Karel Veselý, Jan Cernocký
BUT BABEL system for spontaneous Cantonese. INTERSPEECH (2013)
Roger Hsiao, Tim Ng, Frantisek Grézl, Damianos G. Karakos, Stavros Tsakalidis, Long Nguyen, Richard M. Schwartz
Discriminative semi-supervised training for keyword search in low resource languages. ASRU (2013)
Damianos G. Karakos, Richard M. Schwartz, Stavros Tsakalidis, Le Zhang, Shivesh Ranjan, Tim Ng, Roger Hsiao, Guruprasad Saikumar, Ivan Bulyko, Long Nguyen, John Makhoul, Frantisek Grézl, Mirko Hannemann, Martin Karafiát, Igor Szöke, Karel Veselý, Lori Lamel, Viet Bac Le
Score normalization and system combination for improved keyword spotting. ASRU (2013)
Frantisek Grézl, Martin Karafiát
Semi-supervised bootstrapping approach for neural network feature extractor training. ASRU (2013)
Javier Tejedor, Michal Fapso, Igor Szöke, Jan Cernocký, Frantisek Grézl
Comparison of methods for language-dependent and language-independent query-by-example spoken term detection. ACM Trans. Inf. Syst. 30 (3) (2012)
Pavel Matejka, Oldrich Plchot, Mehdi Soufifar, Ondrej Glembek, Luis Fernando D'Haro, Karel Veselý, Frantisek Grézl, Jeff Z. Ma, Spyros Matsoukas, Najim Dehak
Patrol Team Language Identification System for DARPA RATS P1 Evaluation. INTERSPEECH (2012)
Karel Veselý, Martin Karafiát, Frantisek Grézl, Milos Janda, Ekaterina Egorova
The language-independent bottleneck features. SLT (2012)
Thomas Hain, Lukás Burget, John Dines, Philip N. Garner, Frantisek Grézl, Asmaa El Hannani, Marijn Huijbregts, Martin Karafiát, Mike Lincoln, Vincent Wan
Transcribing Meetings With the AMIDA Systems. IEEE Trans. Speech Audio Process. 20 (2) (2012)
Frantisek Grézl, Martin Karafiát, Milos Janda
Study of probabilistic and Bottle-Neck features in multilingual environment. ASRU (2011)
Hynek Boril, Frantisek Grézl, John H. L. Hansen
Front-End Compensation Methods for LVCSR Under Lombard Effect. INTERSPEECH (2011)
Frantisek Grézl
The Role of Neural Network Size in TRAP/HATS Feature Extraction. TSD (2011)
Karel Veselý, Martin Karafiát, Frantisek Grézl
Convolutive Bottleneck Network features for LVCSR. ASRU (2011)
Frantisek Grézl, Martin Karafiát
Integrating Recent MLP Feature Extraction Techniques into TRAP Architecture. INTERSPEECH (2011)
Karel Veselý, Lukás Burget, Frantisek Grézl
Parallel Training of Neural Networks for Speech Recognition. TSD (2010)
Igor Szöke, Frantisek Grézl, Jan Cernocký, Michal Fapso, Tomás Cipr
Acoustic keyword spotter - optimization from end-user perspective. SLT (2010)
Frantisek Grézl, Martin Karafiát
Hierarchical neural net architectures for feature extraction in ASR. INTERSPEECH (2010)
Karel Veselý, Lukás Burget, Frantisek Grézl
Parallel training of neural networks for speech recognition. INTERSPEECH (2010)
Frantisek Grézl, Martin Karafiát, Lukás Burget
Investigation into bottle-neck features for meeting speech recognition. INTERSPEECH (2009)
Frantisek Grézl, Petr Fousek
Optimizing bottle-neck features for lvcsr. ICASSP (2008)
Frantisek Grézl, Martin Karafiát, Stanislav Kontar, Jan Cernocký
Probabilistic and Bottle-Neck Features for LVCSR of Meetings. ICASSP (4) (2007)
Frantisek Grézl, Jan Cernocký
TRAP-Based Techniques for Recognition of Noisy Speech. TSD (2007)
Igor Szöke, Michal Fapso, Martin Karafiát, Lukás Burget, Frantisek Grézl, Petr Schwarz, Ondrej Glembek, Pavel Matejka, Jirí Kopecký, Jan Cernocký
Spoken Term Detection System Based on Combination of LVCSR and Phonetic Search. MLMI (2007)
Niko Brümmer, Lukás Burget, Jan Cernocký, Ondrej Glembek, Frantisek Grézl, Martin Karafiát, David A. van Leeuwen, Pavel Matejka, Petr Schwarz, Albert Strasheim
Fusion of Heterogeneous Speaker Recognition Systems in the STBU Submission for the NIST Speaker Recognition Evaluation 2006. IEEE Trans. Speech Audio Process. 15 (7) (2007)
Pavel Matejka, Lukás Burget, Petr Schwarz, Ondrej Glembek, Martin Karafiát, Frantisek Grézl, Jan Cernocký, David A. van Leeuwen, Niko Brummer, Albert Strasheim
STBU System for the NIST 2006 Speaker Recognition Evaluation. ICASSP (4) (2007)
Andreas Stolcke, Frantisek Grézl, Mei-Yuh Hwang, Xin Lei, Nelson Morgan, Dimitra Vergyri
Cross-Domain and Cross-Language Portability of Acoustic Features Estimated by Multilayer Perceptrons. ICASSP (1) (2006)
Martin Karafiát, Frantisek Grézl, Petr Schwarz, Lukás Burget, Jan Cernocký
Robust Heteroscedastic Linear Discriminant Analysis and LCRC Posterior Features in Meeting Data Recognition. MLMI (2006)
Qifeng Zhu, Barry Y. Chen, Frantisek Grézl, Nelson Morgan
Improved MLP structures for data-driven feature extraction for ASR. INTERSPEECH (2005)
Andreas Stolcke, Xavier Anguera, Kofi Boakye, Özgür Çetin, Frantisek Grézl, Adam Janin, Arindam Mandal, Barbara Peskin, Chuck Wooters, Jing Zheng
Further Progress in Meeting Recognition: The ICSI-SRI Spring 2005 Speech-to-Text Evaluation System. MLMI (2005)
Frantisek Grézl, Martin Karafiát, Jan Cernocký
TRAP based features for LVCSR of meting data. INTERSPEECH (2004)
Frantisek Grézl
Combinations of TRAP Based Systems. TSD (2004)
Petr Fousek, Frantisek Grézl, Hynek Hermansky, Petr Svojanovsky
New nonsense syllables database - analyses and preliminary ASR experiments. INTERSPEECH (2004)
Frantisek Grézl
Local Time-Frequency Operators in TRAPs for Speech Recognition. TSD (2003)
Frantisek Grézl, Hynek Hermansky
Local averaging and differentiating of spectral plane for TRAP-based ASR. INTERSPEECH (2003)
André Gustavo Adami, Lukás Burget, Stéphane Dupont, Harinath Garudadri, Frantisek Grézl, Hynek Hermansky, Pratibha Jain, Sachin S. Kajarekar, Nelson Morgan, Sunil Sivadas
Qualcomm-ICSI-OGI features for ASR. INTERSPEECH (2002)