Web projektu DAR

Výzkumné centrum
Data - Algoritmy - Rozhodování

Založeno v roce 2005 s podporou MŠMT ČR (projekt 1M0572)

Ing. Petr Tichavský, CSc.

výzkumný pracovník

Publikace

Článek v odborném periodiku Doron E., Yeredor A., Tichavský P. : Cramer-Rao-Induced Bound for Blind Separation of Stationary Parametric Gaussian Sources IEEE Signal Processing Letters, (2007), 6, pp. 417-420.

Koldovský Z., Málek J., Tichavský P., Deville Y., Hosseini S : Blind Separation of Piecewise Stationary NonGaussian Sources Signal Processing, (2009), 12 (2009), pp. 2570-2584.

Koldovský Z., Tichavský P. : Blind instantaneous noisy mixture separation with best interference-plus-noise rejection Lecture Notes in Computer Science, (2007), pp. 730-737.

Koldovský Z., Tichavský P., Oja E. : Efficient Variant of Algorithm FastICA for Independent Component IEEE Tr. Neural Networks, 17 (2006), 5, pp. 1265- 1277.

Tichavský P., Wong K. T. : Analytical derivation of finite-data-record performance of Wong-Lok-Lehnert-Zoltowski's DS-CDMA "blind" space-time receiver. IEEE Transactions on Signal Processing, 53 (2005), 4, pp. 1485-1499.

Tichavský P., Koldovský Z. : Fast and accurate methods of independent component analysis: A survey Kybernetika, 47 (2011), 3 (2011), pp. 426-438.

Tichavský P., Koldovský Z., Oja E. : Corrections to "Performance Analysis of the FastICA Algorithm and Cramér-Rao Bounds for Linear Independent Component Analysis" IEEE Transactions on Signal Processing, (2008), 4 (2008), pp. 1715-1716.

Tichavský P., Koldovský Z., Oja E. : Performance analysis of the FastICA algorithm and Cramér-Rao bounds for linear Independent component analysis IEEE Transactions on Signal Processing, 54 (2006), 4, pp. 1189-1203.

Tichavský P., Koldovský Z., Oja E. : Speed and accuracy enhancement of linear ICA techniques using rational nonlinear functions Lecture Notes in Computer Science, (2007), 4666 (2007), pp. 285-292.

Tichavský P., Koldovský Z., Yeredor A., Gómez-Herrero G., Do : A Hybrid Technique for Blind Separation of Non-Gaussian and Time-Correlated Sources Using a Multicomponent Approach IEEE Transactions on Neural Networks, (2008), 3 (2008), pp. 421-430.

Tichavský P., Yeredor A. : Fast Approximate Joint Diagonalization Incorporating Weight Matrices IEEE Transactions on Signal Processing, (2009), 3 (2009), pp. 878-891.

Konferenční příspěvek Gómez-Herrero G., Koldovský Z., Tichavský P., Egiazarian K. : A fast algorithm for blind separation of non-Gaussian and time-correlated signals In: Proccedings of the 15th European Signal Processing Conference. EUSIPCO 2007 PTETiS, Poznan 2007, pp. .

Koldovský Z., Málek J., Tichavský P., Deville Y., Hosseini S : Extension of EFICA Algorithm for Blind Separation of Piecewise Stationary Non-Gaussian Sources In: ICASSP 2008: IEEE International Conference on Acoustics, Speech, and Signal Processing Conference Management Services, Bryan 2008, pp. .

Koldovský Z., Tichavský P. : A Comparison of Independent Component and Independent Subspace Analysis Algorithms In: 17th European Signal Processing Conference (EUSIPCO 2009) University of Strathclyde, Glasgow, Glasgow 2009, pp. .

Koldovský Z., Tichavský P. : Efficient Variant of Algorithm FastICA for Independent Component Analysis Attaining the Cramér-Rao Lower Bound. In: Proceedings of IEES/SP 13th Workshop on Statistical Signal Processing. Telecom Paris, Paris 2005, pp. 7-12.

Koldovský Z., Tichavský P. : Methods of Fair Comparison of Performance of Linear ICA Techniques in Presence of Additive Noise. In: Proc. 2006 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP-2006), Toulouse, France 2006, pp. 873-876.

Koldovský Z., Tichavský P. : Time-domain Blind Audio Source Separation Using Advanced Component Clustering and Reconstruction In: 2008 Hands-free Speech Communication and Microphone Arrays IEEE, Trento 2008, pp. .

Koldovský Z., Tichavský P. : Time-Domain Blind Audio Source Separation using Advanced ICA Methods In: Proccedings of the 8th Annual Conference of the International Speech Communication Association. Interspeech 2007 University Bonn, Bonn 2007, pp. .

Koldovský Z., Tichavský P., Málek J. : Subband Blind Audio Source Separation Using a Time-Domain Algorithm and Tree-Structured QMF Filter Bank In: Lecture Notes in Computer Science 6365 Springer-Verlag, Heidelberg 2010, pp. .

Koldovský Z., Tichavský P., Málek J. : Time-domain Blind Audio Source Separation Method Producing Separating Filters of Generalized Feedforward Structure In: Lecture Notes in Computer Science 6365 Springer-Verlag, Heidelberg 2010, pp. .

Koldovský Z., Tichavský P., Oja E. : Cramer-Rao lower bound for linear independent component analysis. In: Proceedings of the IEEE International Conference on Acoustic, Speech, and Signal Processing. IEEE, Philadelphia 2005, pp. 4.

Krajča V., Petránek S., Mohylová J. Nielsen J., Tichavský P. : Dentification of neonatal EEG sleep stages by structural time profiles and independent component analysis In: Proc. of the 3rd WACBE World Congress on Bioengineering 2007 Biomedical Engineering Society, Singapore, Singapore 2007, pp. .

Krajča, Petránek, Mohylová, Nielsen J., Tichavský P., a daší : Identification of Neonatal EEG Sleep Stages by Structural Time Profiles and Independent Component Analysis. In: Proc. of the 3rd WACBE World Congress on Bioengineering 2007 Biomedical Engineering Society, Singapore, Singapore 2007, pp. 4.

Málek J., Koldovský Z., Tichavský P. : Adaptive Time-Domain Blind Separation of Speech Signals In: Lecture Notes in Computer Science 6365 Springer-Verlag, Heidelberg 2010, pp. .

Marek T., Tichavský P. : On the Estimation of Mutual Information In: ROBUST 2008 JČMF, Praha 2009, pp. .

Phan A., Tichavský P., Cichocki A. : Fast damped Gauss-Newton algorithm for nonnegative matrix factorization In: Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing 2011 IEEE, Piscataway 2011, pp. .

Tichavský P., Doron E., Yeredor A., Nielsen J. : A Computationally Affordable Implementation of An Asymptotically Optimal BSS Algorithm for AR Sources. In: Proceedings of 14th European Signal Processing Conference (EUSIPCO 2006). EURASIP, Florence 2006, pp. 1-5.

Tichavský P., Koldovský Z. : Simultanous search for all modes in multilinear models In: Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing 2010 IEEE, Dallas 2010, pp. .

Tichavský P., Koldovský Z. : Stability of CANDECOMP-PARAFAC tensor decomposition In: Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing 2011 IEEE, Piscataway 2011, pp. .

Tichavský P., Koldovský Z., Doron E., Yeredor A., Gomez-H : Blind signal separation by combining two ICA algorithms: HOS-based EFICA and time structure-based WASOBI. In: Proceedings of 14th European Signal Processing Conference (EUSIPCO 2006). EURASIP, Florence 2006, pp. 1-5.

Tichavský P., Koldovský Z., Oja E. : Asymptotic Performance of the FastICA Algorithm for Independent Component Analysis and its Improvements. In: Proceedings of the IEEE/SP 13th workshop on Statistical Signal Processing. Telecom Paris, Paris 2005, pp. 1-6.

Tichavský P., Nielsen J., Krajča V. : Identification of Epileptic Activity in Electroencephalograms Using Four Techniques of Independent Component Analysis. In: Proceedings of Analysis of Biomedical Signals and Images. BIOSIGNAL 2006. (Jan J., Kozumplík J., Provazník I. eds.). University of Technology, Brno 2006, pp. 166-168.

Tichavský P., Yeredor A., Koldovský Z. : A Fast Asymptotically Efficient Algorithm for Blind Separation of a Linear Mixture of Block-Wise Stationary Autoregressive Processes In: Proceedings of 34th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) IEEE, Taipei 2009, pp. .

Tichavský P., Yeredor A., Nielsen J. : A Fast Approximate Joint Diagonalization Algorithm Using a Criterion with a Block Diagonal Weight Matrix In: ICASSP 2008: IEEE International Conference on Acoustics, Speech, and Signal Processing Conference Management Services, Bryan 2008, pp. .

Tichavský P., Zima M., Krajča V. : Automatic Removal of Sparse Artifacts in Electroencephalogram In: Proceedings of the Third International Conference on Bio-Inspired Systems and Signal Processing, Biosignals 2011 SciTePress, Lisabon 2011, pp. .

Interní tisk Doron E., Yeredor A., Tichavský P. : Cramér-Rao Lower Bound for Blind Separation of Stationary Parametric Gaussian Sources. Interní publikace DAR - ÚTIA 2006/11. ÚTIA AV ČR, Praha 2006, 10 pp.

Koldovský Z., Tichavský P. : Asymtotic Analysis of Bias of FastICA-based Algorithms in Presence of Additive Noise. Interní publikace DAR - ÚTIA 2006/24. ÚTIA AV ČR, Praha 2006, 4 pp.

Koldovský Z., Tichavský P. : Efficient Variant of Algorithm FastICA for Independent Component Analysis Attaining the Cramér-Rao Lower Bound. Interní publikace DAR - ÚTIA 2005/9. ÚTIA AV ČR, Praha 2005, 6 pp.

Koldovský Z., Tichavský P. : Methods of Fair Comparison of Performance of Linear ICA Techniques in Presence of Additive Noise. Interní publikace DAR - ÚTIA 2005/28. ÚTIA AV ČR, Praha 2005, 4 pp.

Koldovský Z., Tichavský P., Oja E. : Efficient Variant of Algorithm FastICA for Independent Component Analysis Attaining the Cramér-Rao Lower Bound. Interní publikace DAR - ÚTIA 2005/10. ÚTIA AV ČR, Praha 2005, 27 pp.

Tichavský P., Koldovský Z., Oja E. : Asymptotic Performance of the FastICA Algorithm for Independent Component Analysis and its Improvements. Interní publikace DAR - ÚTIA 2005/3. ÚTIA AV ČR, Praha 2005, 6 pp.

Tichavský P., Doron E., Yeredor A., Nielsen J. : Computationally Feasible Implementation of Asymptotically Optimal Blind Separation Algorithm SOBI (WASOBI) for AR Sources. Interní publikace DAR - ÚTIA 2005/29. ÚTIA AV ČR, Praha 2005, 4 pp.

Tichavský P., Koldovský Z., Doron E., Yeredor A.,Herrero G.G : Blind Signal Separation by Combining two ICA Algorithms: HOS_Based EFICA and Time Structure-Based WASOBI. Interní publikace DAR - ÚTIA 2006/2. ÚTIA AV ČR, Praha 2006, 5 pp.

Tichavský P., Koldovský Z., Erkki O. : Performance Analysis of the FastICA Algorithm and Cramér-Rao Bounds for Linear Independent Component Analysis. Interní publikace DAR - ÚTIA 2005/6. ÚTIA AV ČR, Praha 2005, 13 pp.

Tichavský P., Nielsen J., Yeredor A., Doron E. : Fast Implementation of Asymtotically Optimized SOBI (WASOBI) Algorithm for Blind Separation of 100 AR Sources. Interní publikace DAR - ÚTIA 2006/23. ÚTIA AV ČR, Praha 2006, 4 pp.

Výzkumná zpráva Koldovský Z., Málek J., Tichavský P., Yannick D., Shahram H. : Performance Analysis of Extended EFICA Algorithm (Research report 2199) ÚTIA AV ČR, Praha 2007, pp.

Koldovský Z., Tichavský P. : Asymptotic Analysis of Bias of FastICA-based Algorithms in Presence of Additive Noise. ( Research Report 2181) ÚTIA AV ČR, Praha 2007, pp.

Koldovský Z., Tichavský P., Nielsen J. : Odstraňování artefaktů v EEG datech I ( 2140), 2005, 24 pp.

Tichavský P., Nielsen J., Koldovský Z. : Odstraňování Artefaktů v EEG Datech. ( Research Report No. 2140) ÚTIA AV ČR, Praha 2005, 24 pp.

Zima M., Tichavský P., Krajča V. : Artifact removal from EEG recordings III (Research Report 2259) ÚTIA AV ČR, Praha 2009, pp.

Zima M., Tichavský P., Krajča V. : Automatic Removal of Sparse Artifacts in Electroencephalogram (Research Report 2289) ÚTIA AV ČR, Praha 2010, pp.

Aplikace/Elektronický dokument Blind Audio Source Separation Package (Software)

A Fast Approximate Joint Diagonalization Algorithm Using a Criterion with a Block Diagonal Weight Matrix (Software)

Block AR Blind Identification algorithm for separation of piece-wise stationary random processes (Software)

Přednášky

Tichavský P., Koldovský Z.
Blind Separation of Convolutory Mixtures in the Time Domain – Separation of Speech Signals.
V rámci akce: 4th International Workshop on Data - Algorithms - Decision Making 2008.
Dec. 1 2008, 17:30-17:50 Loučeň

Tichavský P., Marek T.
Blind Source Separation Methods Based on Approximate Joint Diagonalization Algorithms.
V rámci akce: 3rd International Workshop on Data - Algorithms - Decision Making 2007.
Dec. 10 2007, 17:10-17:50 Liblice

Petr Tichavský
Advanced Blind Source Separation Methods and their Application in EEG Data Analysis
V rámci akce: 2nd International Workshop on Data - Algorithms - Decision Making 2006
Dec. 10 2006, 10:55-11:20 Třešť

Ing. Petr Tichavský, CSc.
Methods of Artefact Elimination in EEG Data Using Independent Component Analysis
V rámci akce: International Workshop on Data - Algorithms - Decision Making
Dec. 20 2005, 10:20-10:40 ÚTIA AV ČR

Petr Tichavský
Odstraňování artefaktů v EEG datech.
V rámci akce: Výzkumné centrum Data – Algoritmy – Rozhodování, 2. společná konference
Oct. 12 2005, 16:00-16:20 ÚTIA AV ČR

Zbyněk Koldovský a Petr Tichavský
Eficientní varianta algoritmu FastICA pro analýzu nezávislých komponent a slepou separaci signálu.
V rámci akce: Pravidelný seminář Rozhodování a řízení za neurčitosti.
Apr. 5 2005, 14:00-15:30 ÚTIA AV ČR

Cesty

Ing.Petr Tichavský, CSc. Jun. 27 2011 - Jun. 30 2011 Nice, Francie

Ing.Petr Tichavský, CSc. Dec. 11 2010 - Dec. 16 2010 Japan

Ing.Petr Tichavský, CSc. Sep. 27 2010 - Sep. 30 2010 St. Malo, Francie

Ing.Petr Tichavský, CSc. Apr. 18 2009 - Apr. 25 2009 Taipei, Taiwan

Ing.Petr Tichavský, CSc. Mar. 31 2008 - Apr. 7 2008 Las Vegas, USA

Ing.Petr Tichavský, CSc. Nov. 28 2007 - Dec. 9 2007 Tel Aviv, Izrael

Ing.Petr Tichavský, CSc. Sep. 8 2007 - Sep. 12 2007 Londýn, Velká Británie

Ing.Petr Tichavský, CSc. Jun. 28 2006 - Jun. 30 2006 Brno. Česká republika

Ing.Petr Tichavský, CSc. Jun. 15 2006 - Jun. 25 2006 Tel Aviv, Izrael

Ing.Petr Tichavský, CSc. May. 15 2006 - May. 20 2006 Toulouse, Francie

Ing.Petr Tichavský, CSc. Jul. 17 2005 - Jul. 21 2005 Bordeaux, Francie

Ing.Petr Tichavský, CSc. Mar. 12 2005 - Mar. 19 2005 Finsko