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prof. Ing. Zbyněk Koldovský, Ph.D.

prof. Ing. Zbyněk Koldovský, Ph.D. QR VCARD
LinePositionDepartmentOffice number
+420 48535 3534Vice-DeanDean's Office of FM TULA02015
+420 48535 3534EmployeeInstitute of Information Technology and ElectronicsA01015

Publications

  1. J. Janský, Z. Koldovský, J. Málek, T. Kounovský, J. Čmejla, Auxiliary Function-Based Algorithm for Blind Extraction of a Moving Speaker, EURASIP JOURNAL ON AUDIO SPEECH AND MUSIC PROCESSING, Springer, 16 pages, ISSN: 1687-4722, n. 1, [Online], 2022
  2. J. Málek, J. Čmejla, Z. Koldovský, Blind Extraction of Target Speech Source: Three ways of Guidance Exploiting Supervised Speaker Embeddings, The 17th International Workshop on Acoustic Signal Enhancement, 5 pages, [Online], 2022
  3. T. Haubner, W. Kellerman, Z. Koldovský, Joint Acoustic Echo Cancellation And Blind Source Extraction Based On Independent Vector Extraction, The 17th International Workshop on Acoustic Signal Enhancement, 5 pages, [Online], 2022
  4. J. Málek, J. Janský, Z. Koldovský, T. Kounovský, J. Čmejla, J. Žďánský, Target Speech Extraction: Independent Vector Extraction Guided by Supervised Speaker Identification, IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING, IEEE, p. 2295-2309, 15 pages, ISSN: 2329-9290, n. 30, [Online], 2022
  5. J. Čmejla, T. Kounovský, J. Janský, J. Málek, M. Rozkovec, Z. Koldovský, Advanced semi-blind speaker extraction and tracking implemented in experimental device with revolving dense microphone array, Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH, Czech Republic, International Speech Communication Association, 1, ISBN: 978-171383690-2, p. 2152-2153, 2 pages, ISSN: 2308-457X, [Online], 2021
  6. Z. Koldovský, V. Kautský, T. Kounovský, J. Čmejla, Algorithm for Independent Vector Extraction Based on Semi-Time-Variant Mixing Model, European Signal Processing Conference, Dublin, Ireland, Eurasip, 1, ISBN: 978-908279706-0, p. 865 - 869, 4 pages, ISSN: 2219-5491, [Online], 2021
  7. J. Málek, J. Janský, T. Kounovský, Z. Koldovský, J. Žďánský, Blind extraction of moving audio source in a challenging environment supported by speaker identification via X-vectors, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, USA, IEEE, 1, p. 226-230, 5 pages, ISSN: 1520-6149, [Online], 2021
  8. N. Amor, J. Čmejla, V. Kautský, Z. Koldovský, T. Kounovský, Blind Extraction of Moving Sources via Independent Component and Vector Analysis: Examples, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, USA, IEEE, 1, p. 3725-3729, 5 pages, ISSN: 1520-6149, [Online], 2021
  9. Z. Koldovský, S. Gannot, Dictionary-Based Sparse Reconstruction of Incomplete Relative Transfer Functions, European Signal Processing Conference (EUSIPCO 2021), Ireland, Eurasip, 1, ISBN: 978-908279706-0, p. 1005-1009, 4 pages, ISSN: 2219-5491, [Online], 2021
  10. Z. Koldovský, V. Kautský, P. Tichavský, J. Čmejla, J. Málek, Dynamic Independent Component/Vector Analysis: Time-Variant Linear Mixtures Separable by Time-Invariant Beamformers, IEEE Transactions on Signal Processing, USA, IEEE, 1, p. 2158-2173, 16 pages, ISSN: 1053-587X, [Online], 2021
  11. J. Čmejla, T. Kounovský, S. Gannot, Z. Koldovský, P. Tandeitnik, MIRaGe: Multichannel Database of Room Impulse Responses Measured on High-Resolution Cube-Shaped Grid, European Signal Processing Conference (EUSIPCO 2020), Netherlands, 1, ISBN: 9789082797053, p. 56-60, 5 pages, ISSN: 2219-5491, [Online], 2021
  12. A. Sofer, T. Kounovský, J. Čmejla, Z. Koldovský, S. Gannot, Robust Relative Transfer Function Identification on Manifolds for Speech Enhancement, European Signal Processing Conference (EUSIPCO 2020), Ireland, Eurasip, 1, ISBN: 978-908279706-0, p. 401-405, 4 pages, ISSN: 2219-5491, [Online], 2021
  13. J. Janský, J. Málek, J. Čmejla, T. Kounovský, Z. Koldovský, J. Žďánský, Adaptive blind audio source extraction supervised by dominant speaker identification using x-vectors, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, Barcelona, IEEE, 1, ISBN: 978-1-5090-6631-5, p. 676-680, 5 pages, ISSN: 1520-6149, [Online], 2020
  14. J. Málek, Z. Koldovský, M. Boháč, Block-online Multi-channel Speech Enhancement Using Deep Neural Network-supported Relative Transfer Function Estimates, IET Signal Processing, Stevenage, Institution of Engineering and Technology, 1, p. 124-133, 10 pages, ISSN: 1751-9675, n. 3, [Online], 2020
  15. V. Kautský, Z. Koldovský, P. Tichavský, V. Zarzoso, Cramér-Rao Bounds for Complex-Valued Independent Component Extraction: Determined and Piecewise Determined Mixing Models, IEEE Transactions on Signal Processing, IEEE, 1, p. 5230-5243, 14 pages, ISSN: 1053-587X, n. 2020, [Online], 2020
  16. V. Kautský, P. Tichavský, Z. Koldovský, T. Adali, Performance Bounds for Complex-Valued Independent Vector Analysis, IEEE Transactions on Signal Processing, IEEE, 1, p. 4258-4267, 10 pages, ISSN: 1053-587X, n. 2020, [Online], 2020
  17. Z. Koldovský, J. Málek, J. Janský, Extraction of Independent Vector Component from Underdetermined Mixtures through Block-Wise Determined Modeling, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, Brighton, England, IEEE, 1, ISBN: 978-1-4799-8131-1, p. 7903-7907, 5 pages, ISSN: 1520-6149, [Online], 2019
  18. Z. Koldovský, P. Tichavský, Gradient Algorithms for Complex Non-Gaussian Independent Component/Vector Extraction, Question of Convergence, IEEE Transactions on Signal Processing, IEEE, 1, p. 1050-1064, 15 pages, ISSN: 1053-587X, n. 4, [Online], 2019
  19. V. Kautský, Z. Koldovský, P. Tichavský, Performance Bound for Blind Extraction of Non-Gaussian Complex-Valued Vector Component from Gaussian Background, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, Brighton, England, IEEE, 1, ISBN: 978-1-4799-8131-1, p. 5287-5291, 5 pages, ISSN: 1520-6149, [Online], 2019
  20. J. Janský, Z. Koldovský, Blind Source Separation Using Incomplete De-Mixing Transform with a Precise Approach for Selecting Constrained Sets of Frequencies, The 16th International Workshop on Acoustic Signal Enhancement (IWAENC 2018), 1, ISBN: 978-1-5386-8151-0, p. 236-240, 5 pages, [Online], 2018
  21. H. Sawada, Z. Koldovský, Independent component and vector analysis, Audio Source Separation and Speech Enhancement, Spojené státy americké, Wiley, 1, ISBN: 978-1-119-27989-1, p. 263-288, 26 pages, [Online], 2018
  22. J. Čmejla, T. Kounovský, J. Málek, Z. Koldovský, Independent Vector Analysis Exploiting Pre-Learned Banks of Relative Transfer Functions for Assumed Target’s Positions, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - The 14th International Conference on Latent Variable Analysis and Signal Separation (LVA/ICA 2018), 1, ISBN: 9783319937632, p. 270-279, 10 pages, ISSN: 0302-9743, [Online], 2018
  23. J. Čmejla, Z. Koldovský, Multi-Channel Speech Enhancement Based on Independent Vector Extraction, The 16th International Workshop on Acoustic Signal Enhancement (IWAENC 2018), 1, ISBN: 978-1-5386-8151-0, p. 525-529, 5 pages, [Online], 2018
  24. Z. Koldovský, P. Tichavský, N. Ono, Orthogonally-Constrained Extraction of Independent Non-Gaussian Component from Non-Gaussian Background without ICA, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 14th International Conference on Latent Variable Analysis and Signal Separation, LVA/ICA 2018, Velká Británie, 1, ISBN: 9783319937632, p. 161-170, 10 pages, ISSN: 0302-9743, [Online], 2018
  25. T. Kounovský, Z. Koldovský, J. Čmejla, Recursive and Partially Supervised Algorithms for Speech Enhancement on the Basis of Independent Vector Extraction, The 16th International Workshop on Acoustic Signal Enhancement (IWAENC 2018), 1, ISBN: 978-1-5386-8151-0, p. 401-405, 5 pages, [Online], 2018
  26. O. Šembera, P. Tichavský, Z. Koldovský, Adaptive Blind Separation of Instantaneous Linear Mixtures of Independent Sources, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Grenoble, France, Springer Verlag, 1, ISBN: 9783319535463, p. 172-181, 10 pages, ISSN: 0302-9743, [Online], 2017
  27. F. Nesta, S. Mosayyebpour, Z. Koldovský, K. Paleček, Audio/Video Supervised Independent Vector Analysis through multimodal pilot dependent components, European Signal Processing Conference 2017, Kos, Greece, 1, ISBN: 978-0-9928626-7-1, p. 1190-1194, 5 pages, [Online], 2017
  28. V. Kaucký, Z. Koldovský, P. Tichavský, Cramér-Rao-Induced Bound for Interference-to-Signal Ratio Achievable Through Non-Gaussian Independent Component Extraction, 2017 IEEE 7TH INTERNATIONAL WORKSHOP ON COMPUTATIONAL ADVANCES IN MULTI-SENSOR ADAPTIVE PROCESSING (CAMSAP), Curaçao, Dutch Antilles, 1, ISBN: 978-1-5386-1251-4, p. 1-5, 5 pages, [Online], 2017
  29. P. Rajmic, Z. Koldovský, M. Daňková, Fast Reconstruction of Sparse Relative Impulse Responses via Second-Order Cone Programming, IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, New Paltz, NY, USA, Institute of Electrical and Electronics Engineers Inc., 1, ISBN: 978-1-5386-1632-1, p. 364-368, 5 pages, [Online], 2017
  30. J. Janský, M. Boháč, Z. Koldovský, M. Müller, Linear acoustic echo cancellation using deep neural networks and convex reconstruction of incomplete transfer function, Proceedings of the 2017 IEEE International Workshop of Electronics, Control, Measurement, Signals and their Application to Mechatronics, ECMSM 2017, Donostia, San Sebastian, Spain, Institute of Electrical and Electronics Engineers Inc., 1, ISBN: 978-1-5090-5582-1, p. 1-6, 6 pages, [Online], 2017
  31. Z. Koldovský, P. Tichavský, V. Kaucký, Orthogonally Constrained Independent Component Extraction: A Blind Minimum Power Distortionless Beamformer, 25th European Signal Processing Conference, EUSIPCO 2017, Kos, Greece, Institute of Electrical and Electronics Engineers Inc., 1, ISBN: 978-0-9928626-7-1, p. 1155-1159, 5 pages, [Online], 2017
  32. Z. Koldovský, F. Nesta, Performance Analysis of Source Image Estimators in Blind Source Separation, IEEE Transactions on Signal Processing, Institute of Electrical and Electronics Engineers (IEEE), 1, p. 4166-4176, 11 pages, ISSN: 1053-587X, n. 16, [Online], 2017
  33. F. Nesta, Z. Koldovský, Supervised Independent Vector Analysis Through Pilot Dependent Components, IEEE International Conference on Audio, Speech, and Signal Processing 2017, New Orleans, USA, 1, ISBN: 978-1-5090-4117-6, p. 536-540, 5 pages, ISSN: 1520-6149, [Online], 2017
  34. J. Janský, Z. Koldovský, N. Ono, A computationally cheaper method for blind speech separation based on auxiva and incomplete demixing transform, 2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016, Xi’an, China, Institute of Electrical and Electronics Engineers Inc., ISBN: 978-1-5090-2007-2, 5 pages, [Online], 2016
  35. K. Steiger, P. Mokrý, J. Václavík, P. Psota, R. Doleček, D. Vápenka, J. Nečásek, Z. Koldovský, Adaptive acoustic metasurfaces for the active sound field control, Proceedings of the 22nd International Congress on Acoustics, Buenos Aires, Asociación de Acústicos Argentinos, 1, ISBN: 978-987-24713-6-1, p. 1-10, 10 pages, [Online], 2016
  36. Z. Koldovský, F. Nesta, Approximate MVDR and MMSE beamformers exploiting scale-invariant reconstruction of signals on microphones, 2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016, Xi’an, China, Institute of Electrical and Electronics Engineers Inc., ISBN: 978-1-5090-2007-2, 5 pages, [Online], 2016
  37. O. Šembera, P. Tichavský, Z. Koldovský, Blind separation of underdetermined linear mixtures based on source nonstationarity and AR(1) modeling, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, Shanghai, China, Institute of Electrical and Electronics Engineers Inc., ISBN: 978-1-4799-9988-0, p. 4323-4327, 5 pages, ISSN: 1520-6149, [Online], 2016
  38. Z. Koldovský, J. Málek, M. Boháč, J. Janský, CHiME4: Multichannel Enhancement Using Beamforming Driven by a DNN-based Voice Activity Detector, The 4th International Workshop on Speech Processing in Everyday Environments, ISBN: 978-2-9557814-0-1, 5 pages, 2016
  39. Z. Koldovský, F. Nesta, P. Tichavský, N. Ono, Frequency-domain blind speech separation using incomplete de-mixing transform, European Signal Processing Conference, Budapest, Hungary, European Signal Processing Conference, EUSIPCO, ISBN: 978-0-9928626-5-7, p. 1663-1667, 5 pages, ISSN: 2076-1465, [Online], 2016
  40. J. Málek, Z. Koldovský, Hammerstein model-based nonlinear ECHO cancelation using a cascade of neural network and adaptive linear filter, 2016 International Workshop on Acoustic Signal Enhancement, IWAENC 2016, Xi’an, China, Institute of Electrical and Electronics Engineers Inc., ISBN: 978-1-5090-2007-2, 5 pages, [Online], 2016
  41. Z. Koldovský, A. Yeredor, E. Vincent, 12th International Conference on Latent Variable Analysis and Signal Separation, LVA/ICA 2015, [Online], 2015
  42. Z. Koldovský, J. Janský, F. Nesta, A local model of relative transfer functions involving sparsity, 12th International Conference on Latent Variable Analysis and Signal Separation, LVA/ICA 2015, Liberec, Czech Republic, Springer Verlag, 1, ISBN: 978-3-319-22481-7, p. 219-226, 8 pages, ISSN: 0302-9743, [Online], 2015
  43. J. Málek, J. Silovský, P. Červa, Z. Koldovský, J. Nouza, J. Žďánský, Compensation of Nonlinear Distortions in Speech for Automatic Recognition, 38th International Conference on Telecommunications and Signal Processing, TSP 2015, Praha, Česká Republika, Institute of Electrical and Electronics Engineers Inc., 1, ISBN: 978-1-4799-8498-5, p. 419-423, 5 pages, 2015
  44. Z. Koldovský, J. Málek, P. Tichavský, Improving relative transfer function estimates using second-order cone programming, 12th International Conference on Latent Variable Analysis and Signal Separation, LVA/ICA 2015, Liberec, Czech Republic, Springer Verlag, 1, ISBN: 978-3-319-22481-7, p. 227-234, 8 pages, [Online], 2015
  45. J. Málek, Z. Koldovský, Nonlinear echo cancellation using generalized power filters, IEEE International Workshop of Electronics, Control, Measurement, Signals and their Application to Mechatronics, ECMSM 2015, Liberec; Czech Republic, Institute of Electrical and Electronics Engineers Inc., 1, ISBN: 978-1-4799-6972-2, p. neuvedeno, 4 pages, [Online], 2015
  46. Z. Koldovský, F. Nesta, T. Thormundsson, On-line multichannel estimation of source spectral dominance, 12th International Conference on Latent Variable Analysis and Signal Separation, LVA/ICA 2015, Liberec, Czech Republic, Springer Verlag, 1, ISBN: 978-3-319-22481-7, p. 404-412, 9 pages, [Online], 2015
  47. Z. Koldovský, P. Tichavský, Sparse Reconstruction of Incomplete Relative Transfer Function: Discrete and Continuous Time Domain, Signal Processing Conference (EUSIPCO), 2015 23rd European, Nice, France, IEEE, 1, ISBN: 978-099286263-3, p. 394-398, 5 pages, [Online], 2015
  48. Z. Koldovský, J. Málek, S. Gannot, Spatial source subtraction based on incomplete measurements of relative transfer function, IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING, Institute of Electrical and Electronics Engineers Inc., 1, p. 1335-1347, 13 pages, ISSN: 2329-9290, [Online], 2015
  49. Z. Koldovský, P. Tichavský, Způsob potlačení šumu a zvýraznění řečového signálu pro mobilní telefon se dvěma nebo více mikrofony, 2014