Ing.

Petr Dejdar

Ph.D.

FEEC, UTKO – Researcher

+420 54114 6992
dejdar@vut.cz

Send BUT message

Ing. Petr Dejdar, Ph.D.

Publications

  • 2024

    TOMAŠOV, A.; ZÁVIŠKA, P.; SPURNÝ, V.; DEJDAR, P.; MÜNSTER, P.; HORVÁTH, T.; KLÍČNÍK, O. Enhancing Perimeter Protection using Φ-OTDR and CNN for Event Classification. In In Prociideings of 28th International Conference on Optical Fiber Sensors. Hamamatsu, Japan: 2024. ISBN: 978-1-957171-30-2.
    Detail | WWW

    TOMAŠOV, A.; DEJDAR, P.; MÜNSTER, P.; HORVÁTH, T. Utilizing a State of Polarization Change Detector and Machine Learning for Enhanced Security in Fiber-Optic Networks. In CLEO: Applications and Technology 2024. Optica Publishing Group, 2024. ISBN: 978-1-957171-39-5.
    Detail | WWW

    DEJDAR, P.; ZÁVIŠKA, P.; TOMAŠOV, A.; HORVÁTH, T.; MÜNSTER, P. Standard single-mode fiber and hollow-core fiber sensitivity to acoustic vibrations in audible spectrum. In Optical Sensing and Detection VIII. Proceedings of SPIE. 2024. ISSN: 0277-786X.
    Detail | WWW

    DEJDAR, P.; FORAL, Š.; MÜNSTER, P.; CARBOCH, D.; ŠEVEČEK, M. Temperature Measurement in the Nuclear Reactor Core Using Distributed Optical Sensing. In In Proceedings of 28th International Conference on Optical Fiber Sensors. Hamamatsu, Japan: 2024. ISBN: 978-1-957171-30-2.
    Detail | WWW

  • 2023

    SPURNÝ, V.; DEJDAR, P.; TOMAŠOV, A.; MÜNSTER, P.; HORVÁTH, T. Eavesdropping Vulnerabilities in Optical Fiber Networks: Investigating Macro-Bending-Based Attacks Using Clip-on Couplers. In 2023 International Workshop on Fiber Optics on Access Networks (FOAN). Gent, Belgium: IEEE, 2023. p. 47-51. ISBN: 979-8-3503-1936-1.
    Detail | WWW

    SPURNÝ, V.; TOMAŠOV, A.; ZÁVIŠKA, P.; DEJDAR, P.; MÜNSTER, P.; HORVÁTH, T. Effect of Macrobends on the Transmission Parameters of a High-Speed Coherent System. In 2023 International Workshop on Fiber Optics on Access Networks (FOAN). Gent, Belgium: IEEE, 2023. p. 57-60. ISBN: 979-8-3503-1936-1.
    Detail | WWW

    DEJDAR, P.; MOKRÝ, O.; MÜNSTER, P.; HORVÁTH, T.; SPURNÝ, V.; TOMAŠOV, A.; JASIM, A.; PODRAZKÝ, O.; BORODKIN, A.; HONZÁTKO, P. Negative Curvature Hollow-Core Photonic Crystal Fibers Sensitivity to Acoustic Vibration in the Audible Spectrum. In 2023 International Workshop on Fiber Optics on Access Networks (FOAN). IEEE, 2023. p. 8-11. ISBN: 979-8-3503-1936-1.
    Detail

    HORVÁTH, T.; MÜNSTER, P.; SPURNÝ, V.; TOMAŠOV, A.; ZÁVIŠKA, P.; DEJDAR, P. Transmission parameters evaluation of high-speed coherent system in critical infrastructure. 2023. p. 1-18.
    Detail

    HORVÁTH, T.; MÜNSTER, P.; TOMAŠOV, A.; DEJDAR, P.; OUJEZSKÝ, V.; VALACH, S. Transmission convergence layer analysis of passive optical networks with a novel FPGA card. In Proc. SPIE 12723, Seventeenth Conference on Education and Training in Optics and Photonics: ETOP 2023. Proceedings of SPIE. SPIE, 2023. p. 146-148. ISSN: 0277-786X.
    Detail | WWW

    MÜNSTER, P.; TOMAŠOV, A.; DEJDAR, P.; HORVÁTH, T. Deploying Machine Learning in Distributed Sensing to Increase Resilience of Fiber Optic Infrastructure. In 2023 Conference on Lasers and Electro-Optics (CLEO). San Jose, CA, USA: Optica Publishing Group, 2023. ISBN: 978-1-957171-25-8.
    Detail | WWW

    DEJDAR, P.; MOKRÝ, O.; ČÍŽEK, M.; RAJMIC, P.; MÜNSTER, P.; SCHIMMEL, J.; PRAVDOVÁ, L.; HORVÁTH, T.; ČÍP, O. Characterization of sensitivity of optical fiber cables to acoustic vibrations. Scientific Reports, 2023, vol. 13, no. 1, p. 1-12. ISSN: 2045-2322.
    Detail | WWW | Full text in the Digital Library

    ČÍŽEK, M.; ČÍP, O.; MOKRÝ, O.; DEJDAR, P.; MÜNSTER, P.; HORVÁTH, T. Comparing sensitivity of methods to measure acoustic vibrations in optical fibers. In 2023 IEEE SENSORS. IEEE, 2023. ISBN: 979-8-3503-0387-2.
    Detail

    TOMAŠOV, A.; DEJDAR, P.; MÜNSTER, P.; HORVÁTH, T.; BARCÍK, P.; DA ROS, F. Enhancing fiber security using a simple state of polarization analyzer and machine learning. OPTICS AND LASER TECHNOLOGY, 2023, vol. 167, no. 2023, ISSN: 1879-2545.
    Detail | WWW

  • 2022

    MÜNSTER, P.; DEJDAR, P.; HORVÁTH, T. Optical Fiber Sensor Systems for Data Infrastructure Protection. Barcelona, Spain: IFSA Publishing, S. L., 2022. p. 173-176.
    Detail

    RUŽIČKA, M.; DEJDAR, P.; MÜNSTER, P.; HORVÁTH, T.; TOMAŠOV, A. Ochrana optických kabelových tras pomocí detekce změny polarizace. Sborník příspěvků multioborové konference LASER 62. Ústav přistrojové techniky AVČR, v.v.i. Královopolská 147, 612 64 Brno, 2022. p. 74-75. ISBN: 978-80-87441-31-2.
    Detail | WWW

    HORVÁTH, T.; MÜNSTER, P.; DEJDAR, P.; MOKRÝ, O.; RAJMIC, P.; ČÍP, O. Prezentace FiberRisks Workshopu 2022. Brno: VUT Brno, 2022. p. 1-100.
    Detail | WWW

    DEJDAR, P.; TOMAŠOV, A.; MÜNSTER, P.; HORVÁTH, T. Vibration Caused by Train Detection Using State-of-Polarization Changes Measurement. In Fiber Optic Sensors and Applications XVIII. SPIE - International Society for Optics and Photonics, 2022. p. 47-51. ISBN: 978-1-5106-5086-2.
    Detail | WWW

    TOMAŠOV, A.; DEJDAR, P.; HORVÁTH, T.; MÜNSTER, P. Physical fiber security by the state of polarization change detection. In Fiber Optic Sensors and Applications XVIII. 12105. Orlando, Florida, USA: International Society for Optics and Photonics, 2022. p. 1-6. ISBN: 9781510650862.
    Detail | WWW

    ZÁVIŠKA, P.; DEJDAR, P.; MÜNSTER, P.; HORVÁTH, T. Dvourozměrná detekce hran pro distribuovaný optovláknový detekční systém. Elektrorevue - Internetový časopis (http://www.elektrorevue.cz), 2022, vol. 24, no. 2, p. 43-48. ISSN: 1213-1539.
    Detail | WWW

    MÜNSTER, P.; HORVÁTH, T.; DEJDAR, P.; SKAJLO, E. Remote Pumping in Point to Multi-point Networks. Journal of Communications Software and Systems, 2022, vol. 18, no. 1, p. 54-62. ISSN: 1845-6421.
    Detail | WWW | Full text in the Digital Library

    TOMAŠOV, A.; DEJDAR, P.; CEM, A.; MÜNSTER, P.; HORVÁTH, T. Event classification from distributed interferometric sensor using neural network. In 27th International Conference on Optical Fiber Sensors. Alexandria, Virginia United States: Optica Publishing Group, 2022. ISBN: 978-1-957171-14-2.
    Detail | WWW

    RUŽIČKA, M.; JABLONČÍK, L.; DEJDAR, P.; MÜNSTER, P. Acoustic and Mechanical Vibration Sensor: New Approach for Monitoring of Fiber Optic Infrastructures. In Proceedings of the 2022 45th International Conference on Telecommunications and Signal Processing (TSP). Prague, Czech republic: IEEE, 2022. p. 276-279. ISBN: 978-1-6654-6948-7.
    Detail | WWW

    DEJDAR, P.; ZÁVIŠKA, P.; VALACH, S.; MÜNSTER, P.; HORVÁTH, T. Image Edge Detection Methods in Perimeter Security Systems Using Distributed Fiber Optical Sensing. SENSORS, 2022, vol. 22, no. 12, p. 1-13. ISSN: 1424-8220.
    Detail | WWW | Full text in the Digital Library

    RUŽIČKA, M.; JABLONČÍK, L.; DEJDAR, P.; TOMAŠOV, A.; SPURNÝ, V.; MÜNSTER, P. Classification of Events Violating the Safety of Physical Layers in Fiber-optic Network Infrastructures. SENSORS, 2022, vol. 22, no. 23, ISSN: 1424-8220.
    Detail | WWW

    HORVÁTH, T.; TOMAŠOV, A.; MÜNSTER, P.; DEJDAR, P.; OUJEZSKÝ, V. Unsupervised Anomaly Detection Using Bidirectional GRU Autoencoder Neural Network for PLOAM Message Sequence Analysis in GPON. In 2022 International Conference on Electrical, Computer, Communications and Mechatronics Engineering (ICECCME 2022). Malé, Maldives: Institute of Electrical and Electronics Engineers (IEEE), 2022. p. 1-5. ISBN: 978-1-6654-7095-7.
    Detail | WWW

    RUŽIČKA, M.; DEJDAR, P.; JUREK, M.; MÜNSTER, P.; HORVÁTH, T. Citlivost detekce vibrací v závislosti na dílčích parametrech zapojení polarizačního analyzátoru. Elektrorevue - Internetový časopis (http://www.elektrorevue.cz), 2022, vol. 24, no. 3, p. 102-107. ISSN: 1213-1539.
    Detail | WWW

  • 2021

    DEJDAR, P.; VALACH, S.; MÜNSTER, P. Design and Development of FPGA-based Card for Data Acquisition and Processing for Use in Fiber Optics Perimeter Security Systems. In 2021 13th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT). IEEE, 2021. p. 259-262. ISBN: 978-1-6654-0219-4.
    Detail | WWW

    DEJDAR, P.; HANÁK, P.; MÜNSTER, P.; HORVÁTH, T. Polarization Monitor for High-speed State of Polarization Changes Detection. International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems, 2021, vol. 10, no. 1-3, p. 13-17. ISSN: 1805-5443.
    Detail | WWW | Full text in the Digital Library

    HORVÁTH, T.; MÜNSTER, P.; DEJDAR, P. Prezentations of the CEFON Workshop 2021. 2021.
    Detail

    DEJDAR, P. Optical Fiber Infrastructure Protection Demonstration System Using Distributed Optical Sensing. Proceedings of the 27th Conference STUDENT EEICT 2021. 1. Brno: Brno University of Technology, Faculty of Electrical Engineering and Communication, 2021. p. 342-346. ISBN: 978-80-214-5942.
    Detail | WWW

    DEJDAR, P.; MÜNSTER, P.; HORVÁTH, T. Využití detekce rychlých změn polarizace pro zabezpečení kritických infrastruktur. Sborník příspěvků multioborové konference LASER 61. Ústav přistrojové techniky AVČR, v.v.i. Královopolská 147, 612 64 Brno, 2021. p. 1-2. ISBN: 978-80-87441-28-2.
    Detail

    RUŽIČKA, M.; MÜNSTER, P.; DEJDAR, P.; JABLONČÍK, L. Distributed optical fiber acoustic sensing system for perimeter security. SECURITY & FUTURE, 2021, vol. 4, no. 5, p. 145-147. ISSN: 2535-0668.
    Detail | WWW

    DEJDAR, P.; MYŠKA, V.; MÜNSTER, P.; BURGET, R. Trains Detection Using State of Polarization Changes Measurement and Convolutional Neural Networks. In 2021 IEEE International Symposium on Inertial Sensors and Systems (INERTIAL) Proceedings. IEEE, 2021. p. 1-4. ISBN: 978-1-7281-5099-4.
    Detail | WWW | Full text in the Digital Library

    TOMAŠOV, A.; DEJDAR, P.; HORVÁTH, T.; MÜNSTER, P. Moderní techniky komunikace přes optické vláknové sítě a speciální využití optických vláken. NEXT GENERATION TELEKOMUNIKACE, 2021, no. 1-2/2021, p. 23-26. ISSN: 2570-8570.
    Detail | WWW

    DEJDAR, P.; MÜNSTER, P.; TOMAŠOV, A.; JABLONČÍK, L.; RUŽIČKA, M.; HORVÁTH, T. Comparison of Methods for Vibration Detection Using Single-Mode Optical Fiber to Ensuring Information Security. SECURITY & FUTURE, 2021, vol. 4, no. 5, p. 142-144. ISSN: 2535-0668.
    Detail | WWW

    ZÁVIŠKA, P.; DEJDAR, P.; MÜNSTER, P. Comparison of image edge detection methods for intruder detection in a phase-sensitive OTDR system. In 2021 13th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT). IEEE, 2021. p. 267-270. ISBN: 978-1-6654-0219-4.
    Detail | WWW

  • 2020

    LÁTAL, M.; DEJDAR, P.; HORVÁTH, T.; MÜNSTER, P. Simultaneous Transmission of Data and Sensory Signal with Gradual Increase in Channel Spacing. In 43rd International Conference on Telecommunications and Signal Processing (TSP). Milan, Italy: IEEE, 2020. p. 488-491. ISBN: 978-1-7281-6376-5.
    Detail | WWW

    DEJDAR, P. Continuous Data Acquisition by MyRIO Used for Measurement of Polarization Transient Effects. In Proceedings I of the 26th Conference STUDENT EEICT 2020. 1st. Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií: 2020. p. 499-503. ISBN: 978-80-214-5867-3.
    Detail

  • 2019

    BARCÍK, P.; MÜNSTER, P.; DEJDAR, P.; HORVÁTH, T.; VOJTĚCH, J. Measurement of Polarization Transient Effects Caused by Mechanical Stress on Optical Fiber. In 8th International Conference on Fiber Optics in Access Networks (FOAN). Sarajevo, Bosna a Hercegovina: IEEE, 2019. p. 26-28. ISBN: 978-1-7281-1563-4.
    Detail | WWW

    DEJDAR, P.; HORSKÝ, T.; MÜNSTER, P.; HORVÁTH, T.; OUJEZSKÝ, V. Model of Fiber Optic Transmission System Based on the Red Pitaya. In 8th International Conference on Fiber Optics in Access Networks (FOAN). Sarajevo, Bosna a Hercegovina: IEEE, 2019. p. 83-85. ISBN: 978-1-7281-1563-4.
    Detail | WWW

    DEJDAR, P. Universal Graphical User Interface for Multi Vendor EDFA Optical Modules Control. In Proceedings of the 25th Conference STUDENT EEICT 2019. Brno: Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2019. p. 530-534. ISBN: 978-80-214-5735-5.
    Detail

    HORVÁTH, T.; MÜNSTER, P.; OUJEZSKÝ, V.; VOJTĚCH, J.; HOLÍK, M.; DEJDAR, P.; LÁTAL, M. GPON Network with Simulated Rogue ONU. In 27 th International Conference on Software, Telecommunications and Computer Networks (SoftCOM 2019). Chorvatsko, Split: IEEE, 2019. p. 1-5. ISBN: 978-953-290-088-0.
    Detail

    DEJDAR, P.; MÜNSTER, P.; HORVÁTH, T. High-speed Data Acquisition and Signal Processing Using Cost Effective ARM plusFPGA Processors. In 42nd International Conference on Telecommunications and Signal Processing (TSP). Budapešť, Maďarsko: IEEE, 2019. p. 593-596. ISBN: 978-1-7281-1864-2.
    Detail

  • 2018

    DEJDAR, P.; MÜNSTER, P.; HOLÍK, M. Návrh univerzálního řídicího software pro optické moduly EDFA komunikující přes sériovou linku. Elektrorevue - Internetový časopis (http://www.elektrorevue.cz), 2018, vol. 20, no. 3, p. 63-67. ISSN: 1213-1539.
    Detail

    HOLÍK, M.; HORVÁTH, T.; OUJEZSKÝ, V.; DEJDAR, P. Návrh databáze pro ukládání GPON rámců. Elektrorevue - Internetový časopis (http://www.elektrorevue.cz), 2018, vol. 20, no. 3, p. 1-7. ISSN: 1213-1539.
    Detail

*) Publications are generated once a 24 hours.