Staff

Scientific activities

Membership in scientific organizations:

Member of the Young Academy of the Lithuanian Academy of Sciences
Member of Lithuanian Computer Society
Member of Lithuanian Mathematical Society
Member of IEEE Computer Society
Member of INSTICC (the Institute for Systems and Technologies of Information) 

Leads PhD Students:

Editorial Board member:

Conference organizing:

Session chair at the 14th International Workshop on Data Analysis Methods for Software Systems, November 30 – December 2, 2023 Druskininkai, Lithuania

Program committee member of International Symposium on Methodologies for Intelligent Systems, ISMIS 2022, 3-5 October 2022, Cosenza, Italy

Session "Multidimensional Signal Processing" chair, the 16th International Conference on Signal Processing and Multimedia, SIGMAP 2019, 26-28 July, Prague, Czech Republic

Session „Intelligent Audio Processing“ programme committee member, the 11th International Conference on Multimedia and Network Information System, 12-14 September 2018, Wrocław, Poland (https://missi.pwr.edu.pl/2018/sessions/MISSI_IAP_2018.pdf)

Teaching experience:

Reviewer of international journals:

Scientific publications

List of publications

Presentations at scientific conferences

1. J. Ramonaitė, P. Gore, G. Korvel, G. Tamulevičius “Investigation of Speech Signal Processing Parameters in Wave-U-Net Source Separation”, The 14th International Workshop on Data Analysis Methods for Software Systems, November 30 – December 2, 2023 Druskininkai, Lithuania
2. T. Piernicki, G. Korvel, B. Kostek “Acquiring Knowledge for Mimicking Dysarthric Speech by Incorporating Its Features into Synthetic Speech”, The 14th International Workshop on Data Analysis Methods for Software Systems, November 30 – December 2, 2023 Druskininkai, Lithuania
3. G. Navickas, G. Korvel “UniDive – Universality, Diversity and Idiosyncrasy in Language Technology”, The 14th International Workshop on Data Analysis Methods for Software Systems, November 30 – December 2, 2023 Druskininkai, Lithuania
4. J. Ramonaitė, G. Korvel, "Noisy Phoneme Recognition Using 2D Convolution Neural Network"; 10th Jubilee Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE), April 27-29, 2023, Vilnius
5. G. Korvel, A. Katsalis, K. Diamantaras, E. Lloret „Enrich Knowledge Graphs and Test Pre-trainedEnrich Knowledge Graphs and Test Pre-trainedLanguage Models in Graph2seq Tasks“, The 13th International Workshop on Data Analysis Methods for Software Systems, December 1 – 3, 2022 Druskininkai, Lithuania
6. G. Korvel, G. Tamulevičius, J. Devenson „Speech Signal Enhancement for Audio Forensics: An Initial Study“, The 13th International Workshop on Data Analysis Methods for Software Systems, December 1 – 3, 2022 Druskininkai, Lithuania
7. G. Korvel, P. Treigys, B. Kostek „Evaluation of Measures Applied to Monitor the Lombard Speech Signal
   in the Presence of Noise“, The 13th International Workshop on Data Analysis Methods for Software Systems, December 1 – 3, 2022 Druskininkai, Lithuania
8. G. Korvel, K. Kąkol, P. Treigys, B. Kostek “Investigating the influence of noise interference on speech towards a future machine learning-based system for applying the Lombard effect automatically”, ISMIS 2022 : 26th International Symposium on Methodologies for Intelligent Systems, 3-5 October, Cosenza, Italy
9. G. Korvel, K. Kąkol, P. Treigys, B. Kostek „Examining the Self-Similarity Method for the Lombard Effect Recognition", The 12th International Workshop on Data Analysis Methods for Software Systems, December 2 – 4, 2021 Druskininkai, Lithuania
10. G. Korvel, K. Kąkol, B. Kostek. “Similarity matrices applied to differentiate between Lombard and natural speech”. A lecture presentation at the 181st Meeting of the Acoustical Society of America in Seattle, November 29 – December 3, 2021, Washington
11. G. Korvel, P. Treigys, K. Kąkol, B. Kostek. "Lombardo šnekos ir jos akustinių ypatybių analizė". 20th Computer Science Scientific Conference, Computer Days – 2021, September 23-24, 2021, Klaipėda: KU, Lithuania
12. G. Korvel, P. Treigys, B. Kostek. "Akustinių parametrų panašumo matricos taikymas tarpkalbiniams fonemų skirutumams išryškinti". The 62th Conference of Lithuanian Mathematical Society, June 16–17, 2021, Vilnius: VGTU, Lithuania.
13. G. Korvel, B. Kostek „Discovering rule-based learning systems for the purpose of music analysis“, 178th Meeting of the Acoustical Society of America, 2–6 December 2019, San Diego, California
14. Tamulevičius, G. Korvel, J. Bernatavičienė, P. Treigys “The Impact of Data Augmentation Based on White Noise for Noise-Robust CNN-Based Speech Recognition” 11th International Workshop on Data Analysis Methods for Software Systems, November 28 – 30, 2019, Druskininkai, Lithuania
15. Korvel, K. Kąkol, B. Kostek “Evaluation of Lombard Speech Models in the Context of Speech Enhancement” 11th International Workshop on Data Analysis Methods for Software Systems, November 28 – 30, 2019, Druskininkai, Lithuania
16. G. Navickas, G. Korvel, J. Bernataviciene “Overview of speech synthesis using LSTM neural networks” Computer Data Analysis and Modeling: Stochastics and Data Science : Proc. of the Twelfth Intern. Conf., Minsk, Sept. 18-22, 2019. – Minsk : BSU, 2019. – P. 257-261.
17. G Korvel, O Kurasova, B Kostek "An Attempt to Create Speech Synthesis Model That Retains Lombard Effect Characteristics". The 16th International Conference on Signal Processing and Multimedia Applications, SIGMAP 2019, 26-28 July, Prague, Czech Republic.
18. G. Korvel, P. Treigys, G. Tamulevičius, J. Bernatavičienė, B. Kostek "Giliojo mokymo algoritmų taikymas lietuvių šnekos atpažinimo uždaviniuose". The 60th Conference of Lithuanian Mathematical Society, June 19–20, 2019, Vilnius: LKA, Lithuania.
19.  K. Kąkol, G. Korvel, B. Kostek “Analysis of Lombard speech using parameterization and the objective quality indicators in noise conditionse”. 10th International Workshop on Data Analysis Methods for Software Systems, November 29 – December 1, 2018, Druskininkai, Lithuania
20. G. Korvel, G. Tamulevičius, P. Treigys, J. Bernatavičienė, B. Kostek “Investigating Feature Spaces for Isolated Word Recognition”. 10th International Workshop on Data Analysis Methods for Software Systems, November 29 – December 1, 2018, Druskininkai, Lithuania
21. M. Piotrowska, G. Korvel, A. Kurowski, B/ Kostek, A. Czyzewski "Machine Learning Applied to Aspirated and Non-Aspirated Allophone Classification–An Approach Based on Audio “Fingerprinting”", Audio Engineering Society Convention 145, October 17–20, 2018, New York, USA
22. G Korvel, O Kurasova, B Kostek. „Comparative Analysis of Spectral and Cepstral Feature Extraction Techniques for Phoneme Modelling“. International Conference on Multimedia and Network Informa5on System, 12-14 September 2018, Wrocław, Poland
23. M. Piotrowska, G. Korvel, B. Kostek, A. Rojczyk, A. Czyżewski "Objectivization of phonological evaluation of speech elements by means of audio parametrization", 11th International Conference on Human System Interaction (HSI), July 4-6, 2018, Gdansk, Poland
24. G. Korvel, B. Kostek "Examining feature vector for phoneme recognition",  IEEE International Symposium on Signal Processing and Information Technology, December 18-20, 2017, Bilbao, Spain
25. G. Korvel, P. Treigys, G. Tamulevičius „An Initial Investigation of Keyword Spotting using Convolutional Neural Network“, 9th International Workshop on Data Analysis Methods for Software Systems, 30 November – 2 December, 2017, Druskininkai, Lithuania
26. G. Korvel “Parameter investigation of speech signals”, The 58th Conference of Lithuanian Mathematical Society, June 26–27, 2017, Vilnius: VU, Lithuania.
27. G. Korvel “Analysis and synthesis of Lithuanian consonants”, The 8th International Workshop Data Analysis Methods for Software Systems, December 1–3, 2016, Druskininkai, Lithuania
28. G. Korvel “Developing mathematical models for speech sounds”, The 10th International Scientific Congress of Societas Humboldtiana Polonorum,  30 Juny – 2 July, 2016, Lodz, Poland
29. G. Korvel, V. Šimonytė, V. Slivinskas “Mathematical modelling of Lithuanian speech consonants”,  The 55th Conference of Lithuanian Mathematical Society, June 26–27, 2014, Vilnius: MRU, Lithuania
30. G. Korvel, V. Šimonytė, V. Slivinskas, “Random sequences analysis in excel using NUMXL” The 15th International Conference Teaching Mathematics: Retrospective and Perspectives, May 8–10, 2014, Liepaja, Latvia
31. G. Korvel, V. Šimonytė, V. Slivinskas “Using Accord.Math library for the solution of mathematical modelling tasks” ” The 15th International Conference Teaching Mathematics: Retrospective and Perspectives, May 8–10, 2014, Liepaja, Latvia
32. V. Slivinskas, G. Korvel, V. Šimonytė “Problems of Lithuanian speech synthesis”, The 5th International Workshop Data Analysis Methods for Software Systems, December 5–7, 2013, Druskininkai, Lithuania.
33. 16th Computer Science Scientific Conference, Computer Days – 2013, September 19-21, 2013, Šiauliai: ŠU, Lithuania
34. The 54th Conference of Lithuanian Mathematical Society, June 19–20, 2013, Vilnius: LEU, Lithuania
35. The 14th International Conference Teaching Mathematics: Retrospective and Perspectives, May 9–11, 2013, Jelgava, Latvia.
36. The 8th International Conference on Electrical and Control Technologies ECT-2013, May 2–3, 2013, Kaunas, Lithuania.
37. The 3rd young scientist conference: Interdisciplinary research in physical and technological sciences, 12 February, 2013, Lithuanian Academy of Sciences, Lithuania
38. The 3rd International Doctoral Consortium Informatics and Informatics Engineering Education Research: Methodologies, Methods, and Practice, December 3–7, 2012, Druskininkai, Lithuania
39. The 2nd International Conference Music and Technologies, November 8–10, 2012, Kaunas, Lithuania.
40. The 16th International Conference ELECTRONICS'2012, June 18–20, 2012, Palanga, Lithuania.
41. The 53th Conference of Lithuanian Mathematical Society, June 11–12, 2012, Klaipėda: KU, Lithuania.
42. The 13th International conference Teaching Mathematics: Retrospective and Perspectives, 30 May–1 June, 2012, Tartu, Estonia.
43. The 7th International Conference on Electrical and Control Technologies ECT-2012, May 3–4, 2012, Kaunas, Lithuania.
44. The 2nd young scientist conference: Interdisciplinary research in physical and technological sciences, 14 February, 2012, Lithuanian Academy of Sciences, Lithuania
45. The 2nd International Doctoral Consortium Informatics and Informatics Engineering Education Research: Methodologies, Methods, and Practice, November 30–December 4, 2011, Druskininkai, Lithuania.
46. 15th Computer Science Scientific Conference, Computer Days – 2011, September 22-24, 2011, Klaipėda: KU, Lithuania
47. The 52th Conference of Lithuanian Mathematical Society, June 16–17, 2011, Vilnius: LKA, Lithuania.
48. The 6th International Conference on Electrical and Control Technologies ECT-2011, May 5–6, 2011, Kaunas, Lithuania.
49. The 1st young scientist conference: Interdisciplinary research in physical and technological sciences, 8 February, 2011, Lithuanian Academy of Sciences, Lithuania
50. International Conference of Young Scientists, April 29–30, 2010, Šiauliai, Lithuania
51. The 5th International Conference Mechatronic Systems and Materials, October 22–25, 2009, Vilnius, Lithuania.
52. The 50th Conference of Lithuanian Mathematical Society, June 18–19, 2009, Vilnius: MII, Lithuania

Scientific and other projects

The project of Research Council of Lithuania "Research on propaganda and disinformation: automatic recognition by machine learning, impact and societal resilience", 2023-09-01-2026-06-30, position: principal researcher.

COST action CA21167 "Universality, diversity and idiosyncrasy in language technology (UniDive)", 2022.09-2026.09, position: MC Member.

Postdoctoral Project “Investigating speech in the presence of noise interferences employing signal processing and machine learning methods”, 2021-07-2023.07, position: researcher.

COST action CA18231 "Multi3Generation: Multi-task, Multilingual, Multi-modal Language Generation", 2019-2023, position: MC Member.

Postdoctoral Project “Analysis and Modeling of Promises Using the Joint Additive Synthesis and Source-Filter Model Method”, 2018.12-2019.12, position: researcher.

Projects of EU Structural Funds LIEPA2, 2017.12-2020.12, position: senior researcher.

COST action CA15225 "Fractional-order systems - analysis, synthesis and their importance for future design", 2016-2020, position: MC Substitute.

Projects of EU Structural Funds LIEPA (Services Controlled by Lithuanian Voice), 2013-2015, position: project expert.

professional development

2023

Scientific training at Gdansk University of Technology, Poland
Period: 19 June - 1 July, Advisor: Prof. dr. hab. Inż. Bożena Kostek

Short-term scientific missions (STSM) at The International Hellenic University (IHU), Greece
Period: 15-20 May, Advisor: Prof. Konstantinos I. Diamantaras

Erasmus staff training visit to the Technical University of Košice (Slovakia), February 13-17

2022

Scientific training at Gdansk University of Technology, Poland
Period: 20 June - 9 July , 31 October - 5 November
Advisor: Prof. dr. hab. Inż. Bożena Kostek

2021 m.

The 11th Lisbon Machine Learning School – LxMLS 2021, July 7–15, 2021, Lisbon, Portugal

2019

Scientific training at Gdansk University of Technology, Poland
Period: 21 May - 15 June, 8-13 September, 22-27 September
Advisor: Prof. dr. hab. Inż. Bożena Kostek

2018

Scientific training at Gdansk University of Technology, Poland
Periods: 15 - 27 Januar, 15 April - 12 May, 2 - 27 October
Advisor: Prof. dr. hab. Inż. Bożena Kostek

2017

Scientific training at Gdansk University of Technology, Poland
Periods: 18 April - 18 Jun, 4-30 September, 23 October – 22 November
Advisor: Prof. dr. hab. Inż. Bożena Kostek

ERASMUS teaching visit at Gdansk University of Technology, Poland, 16-20 October
Subject field “Signal processing and sound synthesis”

2016

ERASMUS teaching visit at Gdansk University of Technology, Poland, 12-17 December
Subject field “Signal processing and sound synthesis”

2012

The 8th Joint European Summer School on Technology Enhanced Learning, May 21–25, 2012, Estoril, Portugal.

Honours and Awards

2022

Best Poster Award, 13th International Workshop on Data Analysis Methods for Software Systems,  Druskininkai, Lithuania

2019

Winner of the INFOBALT scholarship for young scientists. The presented work “Comparative analysis of Lithuanian consonant phoneme features”

Laureate of the 9rd young scientist conference “Interdisciplinary research in physical and technological sciences”, Lithuanian Academy of Sciences, Lithuania

2018

Best Poster Award, 10th International Workshop on Data Analysis Methods for Software Systems,  Druskininkai, Lithuania

2016

Certificate of Distinction for superior performance at the Young Researcher’s poster presentation, 10th International Scientific Congress of Societas Humboldtiana Polonorum, Lodz, Poland

2014

Certificate of merit for scientific work „Analysis and synthesis of Lithuanian phoneme dynamic sound models”, Lithuanian Academy of Sciences, Lithuania

2013

Diploma for the best presentation, 3rd young scientist conference “Interdisciplinary research in physical and technological sciences”, Lithuanian Academy of Sciences, Lithuania