E-mail: 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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Selected publications
1	Proceeding paper 2024 Betelhem Wubineh, Andrzej Rusiecki, Krzysztof Halawa, Cervical cell segmentation and classification using U-Net and hybrid VGG19-AlexNet architecture. W: 2024 International Conference on Information and Communication Technology for Development for Africa (ICT4DA), Bahir Dar, Ethiopia, November 18-20, 2024 / eds. Esubalew Alemneh, Fisseha Mekuria, Ethiopia Nigussie. Danvers, MA : IEEE, cop. 2024. s. 37-42. ISBN: 979-8-3315-2780-8; 979-8-3315-2779-2 Resources:DOIURL
2	Article 2024 Betelhem Wubineh, Andrzej Rusiecki, Krzysztof Halawa, Classification of cervical cells from the Pap smear image using the RES_DCGAN data augmentation and ResNet50V2 with self-attention architecture. Neural Computing & Applications. 2024, s. 1-15. ISSN: 0941-0643; 1433-3058 Resources:DOIURL
3	Article 2024 Betelhem Wubineh, Andrzej Rusiecki, Krzysztof Halawa, Segmentation and classification techniques for pap smear images in detecting cervical cancer: a systematic review. IEEE Access. 2024, vol. 12, s. 118195-118213. ISSN: 2169-3536 Resources:DOIURLSFX
4	Proceeding paper 2024 Betelhem Wubineh, Andrzej Rusiecki, Krzysztof Halawa, Segmentation of cytology images to detect cervical cancer using deep learning techniques. W: Computational Science - ICCS 2024 : 24th International Conference, Malaga, Spain, July 2-4, 2024 : Proceedings. Pt. 4 / eds. Leonardo Franco [i in.]. Cham : Springer, cop. 2024. s. 270-278. ISBN: 978-3-031-63771-1; 978-3-031-63772-8 Resources:DOIURLSFX
5	Proceeding paper 2024 Betelhem Wubineh, Andrzej Rusiecki, Krzysztof Halawa, Data augmentation techniques to detect ccervical cancer using deep learning: a systematic review. W: System Dependability - Theory and Applications : Proceedings of the Nineteenth International Conference on Dependability of Computer Systems DepCoS-RELCOMEX, July 1-5, 2024, Brunów, Poland / eds. Wojciech Zamojski [i in.]. Cham : Springer, cop. 2024. s. 325-336. ISBN: 978-3-031-61856-7; 978-3-031-61857-4 Resources:DOIURLSFX
6	Proceeding paper 2023 Jakub Szymkowiak, Marek Bazan, Krzysztof Halawa, Tomasz Janiczek, Detection of objects dangerous for the operation of mining machines. W: Computational Science - ICCS 2023 : 23rd International Conference Prague, Czech Republic, July 3-5, 2023 : proceedings. Pt. 4 / eds. Jiří Mikyška [i in.]. Cham : Springer, cop. 2023. s. 128-139. ISBN: 978-3-031-36026-8; 978-3-031-36027-5 Resources:DOIURLSFX
7	Proceeding paper 2023 Przemysław Jamontt, Juliusz Sarna, Jakub Wnuk, Marek Bazan, Krzysztof Halawa, Tomasz Janiczek, Detection of oversized objects in a video stream using an image classification with deep neural networks. W: Dependable Computer Systems and Networks : proceedings of the Eighteenth International Conference on Dependability of Computer Systems DepCoS-RELCOMEX, July 3-7, 2023, Brunów, Poland / eds. Wojciech Zamojski [i in.]. Cham : Springer, cop. 2023. s. 95-104. ISBN: 978-3-031-37719-8; 978-3-031-37720-4 Resources:DOIURLSFX
8	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
9	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
10	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

All publications