Email: krzysztof.halawa@pwr.edu.pl

Unit: Faculty of Information and Communication Technology (N) » Department of Computer Engineering

ul. Z. Janiszewskiego 7, 50-372 Wrocław
building C-16, room P 2.2
phone +48 71 320 7625

Office hours

Wednesday 14.00-15.00
Wednesday (even week) 17.00-19.00
Thursday 13.00-15.00

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Research fields

• Machine learning; neural networks; deep neural networks; artificial intelligence; digital image processing; artificial intelligence in audio; objective evaluation of audio quality.

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Recent papers

2017

• Bazan M., Janiczek T., Halawa K., Wykrzykowski A., Łabuda P., A new method to estimate dimensions of vehicle using a single camera. Archives of Transport System Telematics. 2017, vol. 10, nr 3, s. 3-7.

2016

• Halawa K., Method enabling the first hidden layer of multilayer perceptrons to make division of space with various hypercurves. W: Artificial intelligence and soft computing: 15th International Conference, ICAISC 2016, Zakopane, Poland, June 12-16, 2016: proceedings. Pt. 1 / Leszek Rutkowski [i in.] (eds.). [Cham]: Springer, cop. 2016. s. 104-113.
  (Lecture Notes in Computer Science. Lecture Notes in Artificial Intelligence, ISSN 0302-9743; vol. 9692)
• Halawa K., Bazan M., Ciskowski P., Janiczek T., Kozaczewski P., Rusiecki A., Road traffic predictions across major city intersections using multilayer perceptrons and data from multiple intersections located in various places. IET Intelligent Transport Systems. 2016, vol. 10, nr 7, s. 469-475.

2014

• Halawa K., A new multilayer perceptron initialisation method with selection of weights on the basis of the function variability. W: Artificial intelligence and soft computing: 13th International Conference, ICAISC 2014, Zakopane, Poland, June 1-5, 2014: proceedings. Pt. 1 / Leszek Rutkowski [i in.] (eds.). Cham [i in.]: Springer, cop. 2014. s. 47-58.
  (Lecture Notes in Computer Science. Lecture Notes in Artificial Intelligence, ISSN 0302-9743; vol. 8467)

2011

• Halawa K., A method to improve the performance of multilayer perceptron by utilizing various activation functions in the last hidden layer and the least squares method. Neural Processing Letters. 2011, vol. 34, nr 3, s. 293-303.

Papers in DONA database

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1	Proceeding paper 2021 Krzysztof Halawa, New loss function for multiclass, single-label classification. W: Theory and Engineering of Dependable Computer Systems and Networks : proceedings of the Sixteenth International Conference on Dependability of Computer Systems DepCoS-RELCOMEX, June 28-July 2, 2021, Wrocław, Poland / eds. Wojciech Zamojski [i in.]. Cham : Springer, cop. 2021. s. 146-155. ISBN: 978-3-030-76772-3; 978-3-030-76773-0 Resources:DOIURLSFX
2	Monograph chapter 2020 Krzysztof Halawa, Modelowanie nieliniowych obiektów dynamicznych za pomocą jednokierunkowych sieci neuronowych. W: Wybrane inteligentne metody automatyki i modelowania / red. Wojciech Rafajłowicz. Warszawa : Akademicka Oficyna Wydawnicza EXIT, cop. 2020. s. 31-51. ISBN: 978-83-7837-103-8
3	Article 2020 Łukasz Kuźmiński, Piotr Maśloch, Marek Bazan, Tomasz Janiczek, Krzysztof Halawa, Henryk Wojtaszek, Ireneusz Miciuła, Tomasz Chajduga, Adam Hubert Kawecki, Robert J Czwartosz, Jakub Stawik, Management of delay optimization at intersections. Energies. 2020, vol. 13, nr 12, art. 3087, s. 1-22. ISSN: 1996-1073 Resources:DOIURLSFX
4	Article 2020 Tomasz Hardy, Krzysztof Halawa, Krzysztof Mościcki, Tomasz Janda, Determination of high temperature corrosion rates of steam boiler evaporators using continuous measurements of flue gas composition and neural networks. Energies. 2020, vol. 13, nr 12, art. 3134, s. 1-17. ISSN: 1996-1073 Resources:DOIURLSFX
5	Article 2017 Marek Bazan, Tomasz Janiczek, Krzysztof Halawa, Adrian Wykrzykowski, Piotr Łabuda, A new method to estimate dimensions of vehicle using a single camera. Archives of Transport System Telematics. 2017, vol. 10, nr 3, s. 3-7. ISSN: 1899-8208 Resources:URLSFX
6	Article 2017 Marek Bazan, Tomasz Janiczek, Krzysztof Halawa, Roland Dudek, Łukasz Rudawski, Design and development of a road traffic redirection system. Archives of Transport System Telematics. 2017, vol. 10, nr 1, s. 3-8. ISSN: 1899-8208 Resources:URLSFX
7	Article 2016 Marek Bazan, Piotr Ciskowski, Krzysztof Halawa, Tomasz Janiczek, Łukasz Madej, Andrzej Rusiecki, Green wave optimisation. Archives of Transport System Telematics. 2016, vol. 9, nr 3, s. 3-8. ISSN: 1899-8208 Resources:URLSFX
8	Article 2016 Marek Bazan, Piotr Ciskowski, Roland Dudek, Krzysztof Halawa, Tomasz Janiczek, Piotr Kozaczewski, Andrzej Rusiecki, Multithreaded enhancements of the Dijkstra algorithm for route optimization in urban networks. Archives of Transport System Telematics. 2016, vol. 9, nr 2, s. 3-7. ISSN: 1899-8208 Resources:URLSFX
9	Article 2016 Marek Bazan, Piotr Ciskowski, Krzysztof Halawa, Tomasz Janiczek, Andrzej Rusiecki, Mateusz Śmigowski, Detection of vehicles moving in wrong direction. Archives of Transport System Telematics. 2016, vol. 9, nr 1, s. 3-9. ISSN: 1899-8208 Resources:URLSFX
10	Proceeding paper 2016 Piotr Ciskowski, Adrianna Janik, Marek Bazan, Krzysztof Halawa, Tomasz Janiczek, Andrzej Rusiecki, Estimation of travel time in the city based on intelligent transportation system traffic data with the use of neural networks. W: Dependability Engineering and Complex Systems : proceesings of the Eleventh International Conference on Dependability and Complex Systems DepCoS-RELCOMEX, June 27 - July 1, 2016, Brunów, Poland / Wojciech Zamojski, Jacek Mazurkiewicz, Jarosław Sugier, Tomasz Walkowiak, Janusz Kacprzyk (eds.). [Cham] : Springer, cop. 2016. s. 85-95. ISBN: 978-3-319-39638-5 Resources:DOISFX