Email: adam.polak@pwr.edu.pl

Unit: Faculty of Electronics, Photonics and Microsystems (N) » Department of Electronic and Photonic Metrology

ul. B. Prusa 53/55, 50-317 Wrocław
building E-1, room 112
phone +48 71 320 6581

Office hours

• Monday 13.00-14.00
• Tuesday 13.00-14.00
• Thursday 9.00-11.00

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Research fields

• Modelling and analysis of complex systems; regularisation of nonlinear model parameters estimation in indirect measurements; methods for data decomposition and fusion; modelling and identification of the respiratory system; detection and differentiation of sleep apnea; image reconstruction in computed tomography.

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Recent papers

2017

• Polak A.G., Wysoczański D., Mroczka J., In silico study on the impact of heterogeneous narrowing of small Airways on spirometry results. Eur. Respir. J., 2017, 50 (suppl. 61), PA3008.
• Prucnal M., Polak A.G., Effect of feature extraction on automatic sleep stage classification by the artificial neural network. Metrol. Meas. Syst., 2017, 24 (2), 229-240.
• Polak A.G., Mroczka J., Wysoczański D., Tomographic image reconstruction via estimation of sparse unidirectional gradients. Comp. Biol. Med., 2017, 81 (2), 93-105.

2015

• Glapiński J.S., Mroczka J., Polak A.G., Analysis of the method for ventilation heterogeneity assessment using the Otis model and forced oscillations. Comput. Methods Programs Biomed., 2015, 112 (3), 330-340.

2011

• Jabłoński I., Polak A.G., Mroczka J., Preliminary study on the accuracy of respiratory input impedance measurement using the interrupter technique. Comput. Methods Programs Biomed., 2011, 101 (2), 115-125.
• Polak A.G., Analysis of multiple linear regression algorithms used for respiratory mechanics monitoring during artificial ventilation. Comput. Methods Programs Biomed., 2011, 101 (2), 126-134.
• Polak A.G., An error-minimizing approach to regularization in indirect measurements. IEEE Trans. Instrum. Meas., 2010, 59 (2), 379-386.

Papers in DONA database

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1	Article 2025 Krzysztof Adamczyk, Adam Polak, Online algorithm for deriving heart rate variability components and their time–frequency analysis. Applied Sciences. 2025, vol. 15, nr 3, art. 1210, s. 1-19. ISSN: 2076-3417 Resources:DOISFX
2	Article 2025 Monika Prucnal, Adam Polak, Przemysław Kazienko, Improving the quality of pulse rate variability derived from wearable devices using adaptive, spectrum and nonlinear filtering. Biomedical Signal Processing and Control. 2025, vol. 102, art. 107336, s. 1-12. ISSN: 1746-8094; 1746-8108 Resources:DOIURLSFX
3	Proceeding paper 2024 Adam Polak, Monika Prucnal, Krzysztof Adamczyk, Analysis of the relationship between electrodermal activity and blood glucose level in diabetics. W: Bioinformatics and Biomedical Engineering : 11th International Conference, IWBBIO 2024, Meloneras, Gran Canaria, Spain, July 15-17, 2024 : proceedings. Pt. 1 / eds. Ignacio Rojas [i in.]. Cham : Springer, cop. 2024. s. 250-262. ISBN: 978-3-031-64628-7; 978-3-031-64629-4 Resources:DOIURLSFX
4	Proceeding paper 2024 Monika Prucnal, Krzysztof Adamczyk, Adam Polak, Spectrum filtering to extract pulse rate variability from signals recorded by wearable devices. W: Bioinformatics and Biomedical Engineering : 11th International Conference, IWBBIO 2024, Meloneras, Gran Canaria, Spain, July 15-17, 2024 : proceedings. Pt. 1 / eds. Ignacio Rojas [i in.]. Cham : Springer, cop. 2024. s. 227-240. ISBN: 978-3-031-64628-7; 978-3-031-64629-4 Resources:DOIURLSFX
5	Article 2023 Monika Prucnal, Adam Polak, Single-channel EEG processing for sleep apnea detection and differentiation. Metrology and Measurement Systems. 2023, vol. 30, nr 2, s. 323-336. ISSN: 0860-8229; 2300-1941 Resources:DOIURLSFX
6	Article 2023 Stanisław Saganowski, Bartosz Perz, Adam Polak, Przemysław Kazienko, Emotion recognition for everyday life using physiological signals from wearables: a systematic literature review. IEEE Transactions on Affective Computing. 2023, vol. 14, nr 3, s. 1876- 1897. ISSN: 1949-3045 Resources:DOIURLSFX
7	Article 2022 Adam Polak, Bartłomiej P Klich, Stanisław Saganowski, Monika Prucnal, Przemysław Kazienko, Processing photoplethysmograms recorded by smartwatches to improve the quality of derived pulse rate variability. Sensors. 2022, vol. 22, nr 18, art. 7047, s. 1-21. ISSN: 1424-8220 Resources:DOIURLSFX
8	Article 2022 Adam Polak, Algebraic approximation of the distributed model for the pressure drop in the respiratory airways. International Journal for Numerical Methods in Biomedical Engineering. 2022, vol. 38, nr 9, art. e3632, s. 1-14. ISSN: 2040-7939; 2040-7947 Resources:DOIURLSFX
9	Proceeding paper 2021 Krzysztof Adamczyk, Adam Polak, Derivation of frequency components from overnight heart rate variability using an adaptive variational mode decomposition. W: 43rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2021, October 30 - November 5, 2021, Virtual Conference. [Danvers, MA : IEEE, cop. 2021]. s. 647-650. ISBN: 978-1-7281-1179-7; 978-1-7281-1178-0 Resources:URL
10	Proceeding paper 2021 Stanisław Saganowski, Przemysław Kazienko, Maciej Dzieżyc, Patrycja Jakimów, Joanna Komoszyńska, Weronika Michalska, Anna Dutkowiak, Adam Polak, Adam Dziadek, Michał Ujma, Consumer wearables and affective computing for wellbeing support. W: Proceedings of the 17th EAI International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services, 7-9 December 2020, Darmstadt, Germany, MobiQuitous 2020 / eds. Max Mühlhäuser [i in.]. [B.m.] : ACM, cop. 2021. s. 482-487. ISBN: 978-1-4503-8840-5 Resources:DOI