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Pavol Podhradský
Also published under: P. Podhradsky, Pavol Podhradsky, P. Podhradský, Pavol Podhradskú
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Currently, all levels and domains of education (primary, secondary, tertiary, and lifelong) are enhanced by the support of information and communication technologies. Teacher-centered model of education is slowly transformed into student-centered model and various innovative pedagogical approaches (e.g., self-directed learning, game-based learning, flipped classrooms, m-learning, microlearning) ha...Show More
EduVirtual - Modern Educational Platform based on Multimedia Technologies
Marek Lóderer;Marek Vančo;Viera Rozinajová;Gabriel-Miro Muntean;Pavol Podhradský;Gregor Rozinaj
2019 International Symposium ELMAR
Year: 2019 | Conference Paper |
This paper presents an innovative project in the field of education, which applies modern graphic technologies, such as virtual and augmented reality. The project consists of multiple applications, which are using various technologies for different learning purposes. The applications are connected through user profiles and results are sent to a central server where a teacher can see all students' ...Show More
Virtual Reality Applications in STEM Education
2018 16th International Conference on Emerging eLearning Technologies and Applications (ICETA)
Year: 2018 | Conference Paper |
Cited by: Papers (11)
Efficient learning process in the area of science, technology, engineering and mathematics depends on many factors. Motivation of students to learn is one of them and requires deployment of attractive learning objects which can captivate students' attention, involve them in solving problems and connect their experience with knowledge. Virtual reality applications represent modern technology which ...Show More
Integration of Virtual SDN and NFV Laboratory with NEWTELP Platform
Martin Medvecký;Radoslav Vargic;Juraj Londák;Pavol Podhradský;Peter Trúchly
The paper provides a concept and architecture of the Virtual SDN and NFV Laboratory and its integration with NEWTELP platform - a learning platform developed with the EU Horizon 2020 NEWTON Project. The Virtual SDN and NFV Laboratory was proposed as a virtual laboratory for teaching and research activities in the field of Software Defined Networking (SDN) and Network Function Virtualization (NFV) ...Show More
This paper provides an overview of new generation of ICT technologies — concept and architecture of Software Defined Networking (SDN) and Network Function Virtualization (NFV) technologies. The proposed concept and architecture of the SDN and NFV Laboratory, the process of its implementation and testing is also presented in the paper.Show More
This article describes several problems in today's hybrid broadband and broadcast systems connected to processes of unique identification of HbbTV user, its authentication and authorisation. Challenges in the user identification, authentication and authorisation, based on information sources classification and service/user preferences, including multi factor methods are also in the scope of this p...Show More
New forms of education for engineering professional schools
2016 International Conference on Systems, Signals and Image Processing (IWSSIP)
Year: 2016 | Conference Paper |
This paper illustrates searching of the way towards a modern approach to teaching at secondary vocational technical schools as sources of future experts in various engineering areas. It touches the propagation and modernization of electronic teaching aids and engaging collaboration with industrial companies, technical universities and international cooperation among the schools.Show More
Importance of recommendation system in modern forms of learning
Marian Špilka;Alexandra Posoldova;Gregor Rozinaj;Pavol Podhradský
2016 International Conference on Systems, Signals and Image Processing (IWSSIP)
Year: 2016 | Conference Paper |
Cited by: Papers (1)
In this paper a new platform for distance learning based on student centric model with a focus on a role of Recommendation System in the whole project is described. Fields like learning management system, virtual laboratories, augmented reality, assessment method and multimodal system are included in this paper. Second part is devoted to recommendation engine. Two main recommendation methods, cont...Show More
Security aspects in education oriented multimedia networks
2016 International Conference on Systems, Signals and Image Processing (IWSSIP)
Year: 2016 | Conference Paper |
Cited by: Papers (3)
The article summarizes security aspects related to multimedia networks with special focus to user identification, authentication and authorization procedures and mechanisms. Main stress is taken into account to the secure and flexible access of end users to multimedia contents, implemented on the application layer of the ICT architecture platform. The novel network architectures supported innovati...Show More
Role of network and platform functions virtualization in future telco networks
2016 International Conference on Systems, Signals and Image Processing (IWSSIP)
Year: 2016 | Conference Paper |
In the paper we will specify and try to answer some of the most urgent questions related to Software Defined Networking (SDN) and Network Function Virtualization (NFV) technologies these days. The SDN is changing the present networks and it also defines the concept how Future Networks will be designed. So therefore we provide an overview about key initiatives, technologies and protocols in our pap...Show More
Multilingual and multisensorial dictionary tool as a support for the effective learning in the area of ICT
2015 International Conference on Interactive Mobile Communication Technologies and Learning (IMCL)
Year: 2015 | Conference Paper |
E-learning can be more efficient when training materials are supported by various additional interactive and explanatory tools. One such supporting tool we have developed and implemented in the framework of several Leonardo da Vinci (LdV) and Erasmus+ projects focused on the lifelong learning of experts from ICT area and vocational training. Training materials for topics in information and communi...Show More
Policy-based access control using biometric authetication mechanisms
2015 57th International Symposium ELMAR (ELMAR)
Year: 2015 | Conference Paper |
This article introduces concept of access control logic for multimedia applications using nowadays progressive biometric authentication mechanisms. Main target in the presented work is to combine security and usability into access control when user wants to access the multimedia content in his favourite applications. The paper shows from high level perspective the architecture of centralized syste...Show More
This contribution discusses content delivery networks and tendency in their federation and standardization of federation. We discuss conservative principles of routing based on logical addresses and also new alternatives of routing methods based on content parameters and adaptation. CDN (Content Delivery Networks) federation, with implementation of content-aware routing across whole IP network, wi...Show More
Security aspects of hybrid broadband broadcast communication
Juraj Matejka;Ondrej Lábaj;Dušan Šupala;Tomáš Kokolevský;Pavol Podhradský
Proceedings ELMAR-2013
Year: 2013 | Conference Paper |
This article deals with security aspects of hybrid broadcast broadband technology. One of the aims of HBB-Next project is also task how to ensure security of the whole architecture, how to deal with the privacy and confidentiality especially in the area of multi user environment. We explain security concept of HBB-Next, introduce Security Manager as one main architecture element, and present idea ...Show More
Increasing the level of vocational education in European scope
Proceedings ELMAR-2013
Year: 2013 | Conference Paper |
The paper introduces the ideas, implementation and results of the “Innovative Methodology for Promising VET Areas” (IMProVET) international project within the Lifelong Learning / Leonardo da Vinci / Transfer of Innovation program. The main goal of the project is substantial improvement of education at technically oriented vocational secondary schools in five European countries through development ...Show More
Evolution trends in hybrid broadcast broadband TV
Proceedings ELMAR-2013
Year: 2013 | Conference Paper |
The actual issues related to TV services distribution and providing, integration of classical broadcasting and IPTV services towards the concept of the HBB TV, as well as evolution processes in this field, are presented in this paper. The evolution processes are focused on the enhancement of the concept and architecture of the HBB TV, which were defined HBB TV 1.0 by HbbTV forum and published by E...Show More
Security challenges in Next generation HBB TV
2012 5th Joint IFIP Wireless and Mobile Networking Conference (WMNC)
Year: 2012 | Conference Paper |
Cited by: Papers (1)
This paper dealt with several security aspects in multimedia systems. The possible threads of various attacks are summarized and described. The methods focused on the intrusion detection and protection, the tools that manage the trusted use of digital media content (Digital Rights Management -DRM), as well as approaches for user's data privacy are also presented in the paper. Within HBB-Next archi...Show More
Comparison of codecs for videoconferencing service in NGN
Proceedings ELMAR-2012
Year: 2012 | Conference Paper |
The article is analyzing the real impact audio and video streams for teleconferencing services in NGN networks. The test scenario is based on examining the data flow between Asterisk PBX and SIP client. This examination is performed by analysis of the data stream for the Asterisk PBX, depending on the parameters for audio / video stream to the SIP client. These parameters are represented using dif...Show More
In this paper we introduce some attack types, which can be led against VoIP traffic and we present protection forms against them. We have performed an experiment on the proposed protection model, which was focused on signaling DoS attack with aim to cause malfunction of the software exchange Asterisk. For attack we have used software tool SIPp as messages generator to flood the exchange with a hug...Show More
Liferay as a collaboration and communication platform for m-learning subsystem
Proceedings ELMAR-2012
Year: 2012 | Conference Paper |
In this paper the possibilities for the usage of Liferay as a collaboration and communication platform for m-learning subsystem based on IMS architecture are described. Requirements for tools and services of communication and cooperative work are defined. The single sign-on authentication method with Jasig CAS and LDAP is also presented. The contribution suggests to use open source application Big...Show More
Hybrid IPTV Services with IMS: Integration of IMS Based IPTV with Broadcast and Unicast Mobile TV Services Using DVB-H
Eugen Mikoczy;Sebastian Schumann;Pavol Podhradsky;Timo Koski;Marko Heinikangas
2011 Fifth International Conference on Next Generation Mobile Applications, Services and Technologies
Year: 2011 | Conference Paper |
Cited by: Papers (1)
This paper presents a novel concept and prototype implementation of hybrid IPTV service based on IMS and DVB-H technologies. In the hybrid service, both traditional broadcast and unicast transmission technologies are used to deliver IPTV content. It is argued how such service scenario is effective and beneficial for hybrid use cases. The original technical contributions to ETSI technical report TR...Show More
Enhanced ICT in virtual training and m-learning
Pavol Podhradský;Radovan Kadlic;Juraj Londák;Ondrej Lábaj;Dušan Levický
Proceedings ELMAR-2011
Year: 2011 | Conference Paper |
The enhanced architecture of the NGNLab.eu (Next Generation Networks) platform with the integrated subsystem for IPTV (Internet Protocol Television) services, subsystem for HBB TV (Hybrid Broadcast Broadband Television) services, Multimedia processing subsystem and subsystem for e/m-learning are presented in the paper. The MLARG project m-learning platform conception and application of NGNLab.eu i...Show More
Enhanced ICT in virtual training and m-learning
Pavol Podhradský;Radovan Kadlic;Juraj Londák;Ondrej Lábaj;Dušan Levický
Year: 2011 | Conference Paper |
New multimedia applications based on IMS NGN architecture
2011 18th International Conference on Systems, Signals and Image Processing
Year: 2011 | Conference Paper |
Cited by: Papers (1)
The conception of the NGNLab.eu platform and new multimedia services and applications supported by this platform are presented in this paper. NGNLab research team activities based on various national and international research projects focused on conceptions of the NGNLab.eu platform subsystem for IPTV services, subsystem for HBB TV services and subsystem for E/M-learning are also described in the...Show More
The paper presents the main ideas of two Leonardo da Vinci (LdV) projects focused on the vocational training. The selected outputs of these projects are presented in more details. The conception of the multilingual terminological dictionary and proposed graphical user interface is also presented in the paper. An example of practical exercises in the area of NGN protocols based on remote access to ...Show More
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