Marcin Witkowski

Publication Activity (10 Years)

Years Active: 2006-2024
Publications (10 Years): 26

Top Topics

Source Separation

Speech Recognition

Speaker Verification

Top Venues

Theor. Comput. Sci.

Publications

Andrzej Czygrinow, Michal Hanckowiak, Andrzej Ruminski, Marcin Witkowski
Distributed approximation for f-matching. Theor. Comput. Sci. 1014 (2024)
Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk
Joint Blind Source Separation and Dereverberation for Automatic Speech Recognition using Delayed-Subsource MNMF with Localization Prior. INTERSPEECH (2023)
Martin Karafiát, Karel Veselý, Igor Szöke, Ladislav Mosner, Karel Benes, Marcin Witkowski, Germán Barchi, Leonardo Pepino
BUT CHiME-7 system description. CoRR (2023)
Maadalena loras-Cvbulska, Daniela Hekiert, Artur Cybulski, Slawomir Tadeia, Marcin Witkowski, Konrad Nakonieczny, Izabela Augustyn, Jan Jasinski, Daria Hemmerling, Tomasz Skrzek, Stanislaw Kacprzak, Magdalena Kaczorowska, Julia Juros, Marek Warzeszka, Ewa Migaczewska, Filip Malawski, Paulina Slomka, Rafal Salamon, Aleksandra Szumiec, Kinga Kornacka, Bartlomiej Blaszczynski, Katarzyna Blaszczynska, Radoslaw Sterna, Marek Makowiec, Magdalena Maidak
Towards Multimodal VR Trainer of Voice Emission and Public Speaking -Work-in-Progress. VRW (2023)
Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk
Convolutional Weighted Minimum Mean Square Error Filter for Joint Source Separation and Dereverberation. ICASSP (2022)
Andrzej Czygrinow, Michal Hanckowiak, Marcin Witkowski
-minor. CoRR (2022)
Andrzej Czygrinow, Michal Hanckowiak, Marcin Witkowski
-minor. Theor. Comput. Sci. 916 (2022)
Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk
Convolutive Weighted Multichannel Wiener Filter Front-end for Distant Automatic Speech Recognition in Reverberant Multispeaker Scenarios. INTERSPEECH (2022)
Marcin Witkowski, Konrad Kowalczyk
Split Bregman Approach to Linear Prediction Based Dereverberation With Enforced Speech Sparsity. IEEE Signal Process. Lett. 28 (2021)
Marcin Witkowski, Magdalena Rybicka, Konrad Kowalczyk
Sparse Linear Prediction-based Dereverberation for Signal Enhancement in Distant Speaker Verification. EUSIPCO (2021)
Thomas Bellitto, Tereza Klimosová, Martin Merker, Marcin Witkowski, Yelena Yuditsky
Counterexamples to Thomassen's Conjecture on Decomposition of Cubic Graphs. Graphs Comb. 37 (6) (2021)
Marcin Witkowski
Adjacency posets of outerplanar graphs. Discret. Math. 344 (5) (2021)
Andrzej Czygrinow, Michal Hanckowiak, Marcin Witkowski
Distributed Approximations of f-Matchings and b-Matchings in Graphs of Sub-Logarithmic Expansion. ISAAC (2021)
Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk
Combating Reverberation in NTF-Based Speech Separation Using a Sub-Source Weighted Multichannel Wiener Filter and Linear Prediction. Interspeech (2021)
Andrzej Czygrinow, Michal Hanckowiak, Wojciech Wawrzyniak, Marcin Witkowski
-dominating set in graphs of bounded genus and linklessly embeddable graphs. Theor. Comput. Sci. 809 (2020)
Andrzej Czygrinow, Michal Hanckowiak, Wojciech Wawrzyniak, Marcin Witkowski
Distributed CONGESTBC constant approximation of MDS in bounded genus graphs. Theor. Comput. Sci. 757 (2019)
Marcin Witkowski, Magdalena Rybicka, Konrad Kowalczyk
Speaker Recognition from Distance Using X-Vectors with Reverberation-Robust Features. SPA (2019)
Pawel Liberadzki, Marcin Adamczyk, Marcin Witkowski, Robert Sitnik
Structured-Light-Based System for Shape Measurement of the Human Body in Motion. Sensors 18 (9) (2018)
Lech Adamczak, Marta Chmiel, Tomasz Florowski, Dorota Pietrzak, Marcin Witkowski, Tomasz Barczak
The use of 3D scanning to determine the weight of the chicken breast. Comput. Electron. Agric. 155 (2018)
Andrzej Czygrinow, Michal Hanckowiak, Wojciech Wawrzyniak, Marcin Witkowski
Distributed Approximation Algorithms for the Minimum Dominating Set in K_h-Minor-Free Graphs. ISAAC (2018)
Andrzej Czygrinow, Michal Hanckowiak, Edyta Szymanska, Wojciech Wawrzyniak, Marcin Witkowski
Improved distributed local approximation algorithm for minimum 2-dominating set in planar graphs. Theor. Comput. Sci. 662 (2017)
Lukasz Markiewicz, Marcin Witkowski, Robert Sitnik, Elzbieta Mielicka
3D anthropometric algorithms for the estimation of measurements required for specialized garment design. Expert Syst. Appl. 85 (2017)
Domingos Moreira Cardoso, Charles Dominic, Lukasz Witkowski, Marcin Witkowski
On Cops and Robbers on $G^{\Xi}$ and cop-edge critical graphs. Contributions Discret. Math. 12 (2) (2017)
Andrzej Czygrinow, Michal Hanckowiak, Wojciech Wawrzyniak, Marcin Witkowski
Distributed Approximation Algorithms for k-dominating Set in Graphs of Bounded Genus and Linklessly Embeddable Graphs. ICTCS/CILC (2017)
Marcin Witkowski, Stanislaw Kacprzak, Piotr Zelasko, Konrad Kowalczyk, Jakub Galka
Audio Replay Attack Detection Using High-Frequency Features. INTERSPEECH (2017)
Magdalena Igras, Bartosz Ziólko, Piotr Zelasko, Marcin Witkowski
Structure of pauses in speech in the context of speaker verification and classification of speech type. EURASIP J. Audio Speech Music. Process. 2016 (2016)
Mikolaj Leszczuk, Lukasz Dudek, Marcin Witkowski
Classification of video sequences into chosen generalized use classes of target size and lighting level. Multim. Tools Appl. 74 (12) (2015)
Tomasz Luczak, Lukasz Witkowski, Marcin Witkowski
Hamilton cycles in random lifts of graphs. Eur. J. Comb. 49 (2015)
Jakub Galka, Joanna Grzybowska, Magdalena Igras, Pawel Jaciów, Kamil Wajda, Marcin Witkowski, Mariusz Ziólko
System supporting speaker identification in emergency call center. INTERSPEECH (2015)
Marcin Witkowski, Robert Sitnik, Nico Verdonschot
Recent improvements in SPE3D: a VR-based surgery planning environment. ERVR (2014)
Andrzej Czygrinow, Michal Hanckowiak, Edyta Szymanska, Wojciech Wawrzyniak, Marcin Witkowski
Distributed Local Approximation of the Minimum k-Tuple Dominating Set in Planar Graphs. OPODIS (2014)
Leah Epstein, Michal Feldman, Tami Tamir, Lukasz Witkowski, Marcin Witkowski
Approximate strong equilibria in job scheduling games with two uniformly related machines. Discret. Appl. Math. 161 (13-14) (2013)
Marcin Witkowski
Random Lifts of Graphs are Highly Connected. Electron. J. Comb. 20 (2) (2013)
Marcin Witkowski, Mikolaj Igor Leszczuk
Classification of video sequences into specified Generalized Use Classes of target size and lighting level. BMSB (2012)
Janusz Lenar, Robert Sitnik, Marcin Witkowski
Multidirectional four-dimensional shape measurement system. Three-Dimensional Image Processing (3DIP) and Applications (2012)
Marcin Witkowski, Janusz Lenar, Robert Sitnik, Nico Verdonschot
A virtual reality interface for pre-planning of surgical operations based on a customized model of the patient. ERVR (2012)
Jaroslaw Grytczuk, Jakub Kozik, Marcin Witkowski
Nonrepetitive sequences on arithmetic progressions CoRR (2011)
Jaroslaw Grytczuk, Jakub Kozik, Marcin Witkowski
Nonrepetitive Sequences on Arithmetic Progressions. Electron. J. Comb. 18 (1) (2011)
Marcin Witkowski, Wojciech Glinkowski, Robert Sitnik, Hanna Kocon, Pawel Bolewicki, Andrzej Górecki
A four-directional body shape measurement system and its application for pectus excavatum severity assessment. Three-Dimensional Image Processing (3DIP) and Applications (2010)
Robert Sitnik, Artur Filipczak, Marcin Witkowski, Walter Rapp, Bart Haex
4D data processing for dynamic human body analysis. Three-Dimensional Image Capture and Applications (2006)