Stefan Korecko

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Digitization of real objects into 3D models is a rapidly expanding field, with ever increasing range of applications. The most interesting area of its application is in the creation of realistic 3D scenes, i.e. virtual reality. It can be used in the entertainment industry, design, architecture and scientific research. This paper provides a brief summary of(More)
Emotions are one of those phenomena which are rarely seen in connection with exact disciplines such as computer science or information technologies. However, with the widespread use of computer systems we see nowadays, the demand to include emotions to reasoning of artificial systems emerged and formalized emotional models have been created. In this paper(More)
At our department, students can study virtual reality technologies and their problematic (Department of computers and informatics, Faculty of Electrical Engineering and Informatics of Košice - DCI FEEI TU of Košice). Study of virtual reality technologies is divided into two parts. First part focus on theoretical knowledge and second part(More)
This paper deals with computer graphics, human body detection and application of computer graphics in avatar control. The main goal of this work is to design and create virtual training system including avatar using contactless sensors. Authors focus on the control of the humanoid avatar by applying transformations to his skeleton. To achieve this, proper(More)
This paper deals with a support tool for an automation of simulation of Coloured Petri nets and selected simulation experiments conducted with the aid of the tool. The tool is called CPN Assistant, it has been developed at the home institution of the authors and cooperates with the CPN Tools software. It allows to run and manage multiple customized(More)
Štefan HUDÁK, Dmitry A. ZAITSEV, Štefan KOREČKO, Slavomír ŠIMOŇÁK Department of Computers and Informatics, Faculty of Electrical Engineering and Informatics, Technical University of Košice, Letná 9, 042 00 Košice, tel. 095/602 2525, E-mail: {Stefan.Hudak, Stefan.Korecko, Slavomir.Simonak} Department of Communication Networks, Odessa National(More)
At Department of computers and informatics, FEEI TU of Košice, students can study problematic of virtual reality technologies. Study is divided into two parts. First part focus on theoretical knowledge and second part focus on practical knowledge. This paper presents practical exercises during which students earn practical experiences about these virtual(More)
This paper deals with the parallel raytracing part of virtualreality system PROLAND, developed at the home institution of authors. It describes an actual implementation of the raytracing part and introduces a Coloured Petri Nets model of the implementation. The model is used for an evaluation of the implementation by means of simulationbased performance(More)
The aim of this work is to highlight the use of semi-immersive virtual reality in educational process. Part of the effort is explanation of virtual reality systems considering immersion and human-computer interaction. For implementation of such a system was needed to define requirements to enhance productivity during education. Described solution is based(More)