Marcin Witkowski

44 papers A 5B 3Misc 2Journal 24Unranked 10

Year	Rank	Type	Title / Venue / Authors
2025	Misc	`conf`	Investigation of Whisper ASR Hallucinations Induced by Non-Speech Audio. ICASSP Mateusz Baranski, Jan Jasinski, Julitta Bartolewska, Stanislaw Kacprzak, Marcin Witkowski, Konrad Kowalczyk
2025	J	`jnl`	Investigation of Whisper ASR Hallucinations Induced by Non-Speech Audio. CoRR Mateusz Baranski, Jan Jasinski, Julitta Bartolewska, Stanislaw Kacprzak, Marcin Witkowski, Konrad Kowalczyk
2025	J	`jnl`	On the Erdős-Szekeres Problem for Convex Permutations and Orthogonally Convex Point Sets. Electron. J. Comb. Heather C. Smith Blake, Stefan Felsner, Rimma Hämäläinen, Marcin Witkowski
2024	J	`jnl`	Distributed approximation for f-matching. Theor. Comput. Sci. Andrzej Czygrinow, Michal Hanckowiak, Andrzej Ruminski, Marcin Witkowski
2024	J	`jnl`	Half-integral Erdös-Pósa property for non-null CoRR Vera Chekan, Colin Geniet, Meike Hatzel, Michal Pilipczuk, Marek Sokolowski, Michal T. Seweryn, Marcin Witkowski
2023	J	`jnl`	BUT CHiME-7 system description. CoRR Martin Karafiát, Karel Veselý, Igor Szöke, Ladislav Mosner, Karel Benes, Marcin Witkowski, Germán Barchi, Leonardo Pepino
2023	A	`conf`	Joint Blind Source Separation and Dereverberation for Automatic Speech Recognition using Delayed-Subsource MNMF with Localization Prior. INTERSPEECH Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk
2023	—	`conf`	Towards Multimodal VR Trainer of Voice Emission and Public Speaking -Work-in-Progress. VR Workshops Maadalena loras-Cvbulska, Daniela Hekiert, Artur Cybulski, Slawomir Konrad Tadeja, 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
2022	Misc	`conf`	Convolutional Weighted Minimum Mean Square Error Filter for Joint Source Separation and Dereverberation. ICASSP Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk
2022	A	`conf`	Convolutive Weighted Multichannel Wiener Filter Front-end for Distant Automatic Speech Recognition in Reverberant Multispeaker Scenarios. INTERSPEECH Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk
2022	J	`jnl`	Distributed distance domination in graphs with no Theor. Comput. Sci. Andrzej Czygrinow, Michal Hanckowiak, Marcin Witkowski
2022	J	`jnl`	Distributed distance domination in graphs with no K CoRR Andrzej Czygrinow, Michal Hanckowiak, Marcin Witkowski
2021	J	`jnl`	Adjacency posets of outerplanar graphs. Discret. Math. Marcin Witkowski
2021	A	`conf`	Combating Reverberation in NTF-Based Speech Separation Using a Sub-Source Weighted Multichannel Wiener Filter and Linear Prediction. Interspeech Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk
2021	J	`jnl`	Counterexamples to Thomassen's Conjecture on Decomposition of Cubic Graphs. Graphs Comb. Thomas Bellitto, Tereza Klimosová, Martin Merker, Marcin Witkowski, Yelena Yuditsky
2021	B	`conf`	Distributed Approximations of f-Matchings and b-Matchings in Graphs of Sub-Logarithmic Expansion. ISAAC Andrzej Czygrinow, Michal Hanckowiak, Marcin Witkowski
2021	—	`conf`	Sparse Linear Prediction-based Dereverberation for Signal Enhancement in Distant Speaker Verification. EUSIPCO Marcin Witkowski, Magdalena Rybicka, Konrad Kowalczyk
2021	J	`jnl`	Split Bregman Approach to Linear Prediction Based Dereverberation With Enforced Speech Sparsity. IEEE Signal Process. Lett. Marcin Witkowski, Konrad Kowalczyk
2020	J	`jnl`	Distributed approximation algorithms for Theor. Comput. Sci. Andrzej Czygrinow, Michal Hanckowiak, Wojciech Wawrzyniak, Marcin Witkowski
2019	J	`jnl`	Distributed CONGESTBC constant approximation of MDS in bounded genus graphs. Theor. Comput. Sci. Andrzej Czygrinow, Michal Hanckowiak, Wojciech Wawrzyniak, Marcin Witkowski
2019	—	`conf`	Speaker Recognition from Distance Using X-Vectors with Reverberation-Robust Features. SPA Marcin Witkowski, Magdalena Rybicka, Konrad Kowalczyk
2018	B	`conf`	Distributed Approximation Algorithms for the Minimum Dominating Set in K_h-Minor-Free Graphs. ISAAC Andrzej Czygrinow, Michal Hanckowiak, Wojciech Wawrzyniak, Marcin Witkowski
2018	J	`jnl`	Structured-Light-Based System for Shape Measurement of the Human Body in Motion. Sensors Pawel Liberadzki, Marcin Adamczyk, Marcin Witkowski, Robert Sitnik
2018	J	`jnl`	The use of 3D scanning to determine the weight of the chicken breast. Comput. Electron. Agric. Lech Adamczak, Marta Chmiel, Tomasz Florowski, Dorota Pietrzak, Marcin Witkowski, Tomasz Barczak
2017	J	`jnl`	3D anthropometric algorithms for the estimation of measurements required for specialized garment design. Expert Syst. Appl. Lukasz Markiewicz, Marcin Witkowski, Robert Sitnik, Elzbieta Mielicka
2017	A	`conf`	Audio Replay Attack Detection Using High-Frequency Features. INTERSPEECH Marcin Witkowski, Stanislaw Kacprzak, Piotr Zelasko, Konrad Kowalczyk, Jakub Galka
2017	—	`conf`	Distributed Approximation Algorithms for k-dominating Set in Graphs of Bounded Genus and Linklessly Embeddable Graphs. ICTCS/CILC Andrzej Czygrinow, Michal Hanckowiak, Wojciech Wawrzyniak, Marcin Witkowski
2017	J	`jnl`	Improved distributed local approximation algorithm for minimum 2-dominating set in planar graphs. Theor. Comput. Sci. Andrzej Czygrinow, Michal Hanckowiak, Edyta Szymanska, Wojciech Wawrzyniak, Marcin Witkowski
2017	J	`jnl`	On Cops and Robbers on $G^{\Xi}$ and cop-edge critical graphs. Contributions Discret. Math. Domingos Moreira Cardoso, Charles Dominic, Lukasz Witkowski, Marcin Witkowski
2016	J	`jnl`	Structure of pauses in speech in the context of speaker verification and classification of speech type. EURASIP J. Audio Speech Music. Process. Magdalena Igras, Bartosz Ziólko, Piotr Zelasko, Marcin Witkowski
2015	J	`jnl`	Classification of video sequences into chosen generalized use classes of target size and lighting level. Multim. Tools Appl. Mikolaj Leszczuk, Lukasz Dudek, Marcin Witkowski
2015	J	`jnl`	Hamilton cycles in random lifts of graphs. Eur. J. Comb. Tomasz Luczak, Lukasz Witkowski, Marcin Witkowski
2015	A	`conf`	System supporting speaker identification in emergency call center. INTERSPEECH Jakub Galka, Joanna Grzybowska, Magdalena Igras, Pawel Jaciów, Kamil Wajda, Marcin Witkowski, Mariusz Ziólko
2014	B	`conf`	Distributed Local Approximation of the Minimum k-Tuple Dominating Set in Planar Graphs. OPODIS Andrzej Czygrinow, Michal Hanckowiak, Edyta Szymanska, Wojciech Wawrzyniak, Marcin Witkowski
2014	—	`conf`	Recent improvements in SPE3D: a VR-based surgery planning environment. ERVR Marcin Witkowski, Robert Sitnik, Nico Verdonschot
2013	J	`jnl`	Approximate strong equilibria in job scheduling games with two uniformly related machines. Discret. Appl. Math. Leah Epstein, Michal Feldman, Tami Tamir, Lukasz Witkowski, Marcin Witkowski
2013	J	`jnl`	Random Lifts of Graphs are Highly Connected. Electron. J. Comb. Marcin Witkowski
2012	—	`conf`	A virtual reality interface for pre-planning of surgical operations based on a customized model of the patient. ERVR Marcin Witkowski, Janusz Lenar, Robert Sitnik, Nico Verdonschot
2012	—	`conf`	Classification of video sequences into specified Generalized Use Classes of target size and lighting level. BMSB Marcin Witkowski, Mikolaj Igor Leszczuk
2012	—	`conf`	Multidirectional four-dimensional shape measurement system. Three-Dimensional Image Processing (3DIP) and Applications Janusz Lenar, Robert Sitnik, Marcin Witkowski
2011	J	`jnl`	Nonrepetitive Sequences on Arithmetic Progressions. Electron. J. Comb. Jaroslaw Grytczuk, Jakub Kozik, Marcin Witkowski
2011	J	`jnl`	Nonrepetitive sequences on arithmetic progressions CoRR Jaroslaw Grytczuk, Jakub Kozik, Marcin Witkowski
2010	—	`conf`	A four-directional body shape measurement system and its application for pectus excavatum severity assessment. Three-Dimensional Image Processing (3DIP) and Applications Marcin Witkowski, Wojciech Glinkowski, Robert Sitnik, Hanna Kocon, Pawel Bolewicki, Andrzej Górecki
2006	—	`conf`	4D data processing for dynamic human body analysis. Three-Dimensional Image Capture and Applications Robert Sitnik, Artur Filipczak, Marcin Witkowski, Walter Rapp, Bart Haex