Publications

The information comes from the university database V3S.

Authors:
Ing. Jan Krčál, Ph.D.; Ing. Jana Kaliková, Ph.D.; Sterba, R.
Published:
2021, 2021 Smart Cities Symposium Prague (SCSP), New York, IEEE Press), ISBN 978-1-6654-1524-8, ISSN 2691-3666
Annotation:
The authors present the results of their practical research on the navigation of people with disabilities inside buildings using iBeacon technology. This technology's navigation potential lies in indoor use and everywhere, where GPS-like systems fail due to lack of coverage. Even though iBeacon technology is simple (it only broadcasts a signal), its potential is high if paired with suitable software. In such a case, it may not only serve as a navigation system, but also generate information. The authors used multi-criteria analysis to find out what type of iBeacon is the most suitable one for indoor navigation of people with disabilities. Their analysis also resulted into a set of recommendations for distribution and settings of iBeacon with respect of the topology of the building.
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Authors:
Ing. Jan Krčál, Ph.D.; Ing. Jana Kaliková, Ph.D.
Published:
2019, PARIPEX - Indian Journal of Research, 8 (12), p. 50-53), ISSN 2250-1991
Annotation:
In this article,the authors write about passengers' mobility in complex transport terminals.The issue is usually dealt with within the scope of information systems that inform the passengers on the optimal route and the time needed to complete the transfer.The authors developed a methodology to calculate the time needed for the transfer with various transport infrastructure components on the transfer route.The methodology accounts for various groups of passengers (i.g.wheelchair users,passengers with a pram,elderly passengers).Based on this methodology,the authors developed an algorithm to calculate transfer times.The algorithm accounts for combinations of transport infrastructure components for various groups of passengers. Accurate knowledge of the total time needed to complete a transfer can help to optimise making bus/train connections or it can be used in Smart Cities applications.
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Authors:
Ing. Jana Kaliková, Ph.D.; Ing. Jan Krčál, Ph.D.
Published:
2018, PARIPEX - Indian Journal of Research, 11 (7), p. 438-440), ISSN 2250-1991
Annotation:
The authors tested the influence of neural network settings and the input data format on the success rate of biometric identification. Human ear was chosen as the biometric identifier, and its image was captured with a thermographic camera. The authors employed various scenarios to test the following. Firstly, various numbers of hidden layer neurons were tested. Secondly, various subpixel size of the input image, which directly affects the number of input layer neuron, was tested.
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Authors:
Ing. Jan Krčál, Ph.D.; Ing. Jana Kaliková, Ph.D.
Published:
2018, 2018 7th International Symposium on Next-Generation Electronics (ISNE), Piscataway, IEEE), ISBN 978-1-5386-1445-7, ISSN 2378-8607
Annotation:
The project deals with the implementation of new security elements to an access system designated for sites and premises that have to be protected against unauthorised entry or where access to certain parts of the site should be restricted. The electronic access system can substitute single key systems. The system offers a wide range of applications (registration and signalling of non-standard entries, forced entries, failure to close) and combination with external security systems. The access control system can be deployed separately or as a part of an attendance control system registering arrivals or adherence to prescribed working hours.
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Authors:
Ing. Jan Krčál, Ph.D.; Ing. Jana Kaliková, Ph.D.
Published:
2018, 2018 5th International Conference on Systems and Informatics (ICSAI), Piscataway, IEEE), ISBN 978-1-7281-0120-0
Annotation:
The article deals with the biometric identification of drivers, using an ear thermogram. Samples are acquired using an IR camera and then further evaluated by an artificial neural network. Input image data is acquired from a standardized distance at 5 different angles and the effect of the settings of the artificial neural network on the result of successful driver identification is studied.
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Authors:
Ing. Jana Kaliková, Ph.D.; Ing. Jan Krčál, Ph.D.
Published:
2018, 2018 3rd International Conference on Intelligent Green Building and Smart Grid (IGBSG), Piscataway, IEEE), ISBN 978-1-5386-0661-2
Annotation:
Today almost everyone carries a mobile device. The authors test whether these devices may be used to ascertain the number of people in a building. The number of mobile devices present (number of persons) is determined using methods that capture network packets sent by mobile devices using the 802.11 protocol. The packets are captured using a Wi-Fi scanner, a hardware device that allows information to be gathered from 802.11/a/b/g/n/ac networks. The number of people in a building with an adequate count of Wi-Fi scanners may be determined with a definite probability which, aside from its statistical importance, might also be key in emergency situations in which it is imperative to determine how many people are inside a particular building.
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Authors:
Ing. Jana Kaliková, Ph.D.; Ing. Jan Krčál, Ph.D.; Kalivoda, K.
Published:
2017
Annotation:
The F2P project aims for better security of indoor and outdoor areas using integration of mobile devices localization systems, CCTV systems and access control and identification systems. The aim of the project is development of SW module for ID system enhancing premises security by combining data from ID and localization systems.

Authors:
Ing. Jan Krčál, Ph.D.; Ing. Jana Kaliková, Ph.D.
Published:
2017, 2017 Smart Cities Symposium Prague (SCSP) - IEEE PROCEEDINGS, New York, IEEE Press), p. 1-3), ISBN 978-1-5386-3825-5
Annotation:
People counting (detection) in public transport setting provides highly valuable information for transport lines planning in respect of their density, routes, timetables and vehicle occupancy. The real-time information on current number of passengers at given point enables the city councils together with the carriers to make significant improvements in line planning and resource use efficiency. Thus it allows lowering of their costs.
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Authors:
Ing. Jan Krčál, Ph.D.; Ing. Jana Kaliková, Ph.D.
Published:
2017, PARIPEX - Indian Journal of Research, 6 (2), p. 397-398), ISSN 2250-1991
Annotation:
The air traffic at non-towered airports has grown considerably in recent years. This increase in air traffic puts greater demands on both: the pilots and the dispatchers of the flight information service. The AFIS dispatchers, when gathering information on aircraft position, depend on voice communication with the pilots. Such a communication leaves room for error and inaccuracy. There are eighty-six non-towered airports in the Czech Republic at present. None of them operates a radar information based air traffic surveillance system. This paper describes a new system that increases safety in the Aerodrome Traffic Zone (ATZ) of non-towered airports. The authors of this paper are currently developing an A2A (Aircraft to Airport) system which will make possible an exchange of information between the person who provides AFIS and an aircraft through a mobile data network.
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