Jozsef Katona

University of Dunaújváros · Institute of Informatics

Keeping up with novel methods and keeping abreast of new applications are crucial issues in engineering education. In brain research, one of the most significant research areas in recent decades, many developments have application in both modern engineering technology and education. New measurement methods in the observation of brain activity open...

This article presents the development, implementation and testing of a brain-computer interface (BCI) system, which enables the speed control of the mobile robot called Robotino, manufactured by Festo Didactic. The BCI system was implemented, and the results of the BCI system were evaluated during a students' project, based on the project-based lea...

New technological advances of the 20 th and 21 st Centuries provide several new opportunities for engineers in the future. Modern engineering methods feasible by these new technical solutions, however, cannot meet expectations in all fields and situations without adequate knowledge and competence. Spreading new and modern engineering methods as wel...

Brain research is one of the most significant research areas of the last decades, in which many developments and modern engineering technologies are applied. The electroencephalogram (EEG)-based brain activity observation processes are very promising and have been used in several engineering research fields. Objective: The main goal of this researc...

Nowadays, in addition to traditional procedures, the use of eye movement tracking systems can be an alternative possibility, to analyse the effectiveness of different programming technologies. Tracking the gaze route by analysing eye movement parameters also allows the study of a complex cognitive process. In this research an eye-tracking system is...

Nowadays, an increasing number of scientific studies are published in the interdisciplinary field of Cognitive InfoCommuncation (CogInfoCom) [...]

The aim of the research is to observe, analyze and examine the parameters of eye movement of developers during a complex cognitive process such as the analysis and interpretation of source codes. In the comparison, two source code techniques, clean code and dirty code, were compared. The readability and understandability of the codes implemented us...

Writing a computer program is a complex cognitive task, especially for a new person in the field. In this research an eye-tracking system was developed and applied, which allows the observation of eye movement parameters during programming as a complex, cognitive process, and the conclusions can be drawn from the results. The aim of the paper is to...

Many children have undetected vision problems or insufficient visual information processing that may be a factor in lower academic outcomes. The aim of this paper is to contribute to a better understanding of the importance of vision screening for school-aged children, and to investigate the possibilities of how eye-tracking (ET) technologies can s...

3D technology has become one of the basic elements of computer-aided workflows, and due to its attention-grabbing effect, it is also used in education, whether it is illustrative methods used in teaching or computer-aided design. In this paper we analyzed the effectiveness of the 2D and 3D environment while performing a problem-solving task using e...

Cognitive infocommunications (CogInfoCom) is a young and evolving discipline that is at the crossroads of information and communication technology (ICT) and cognitive sciences with many promising results. The goal of the field is to provide insights into how human cognitive capabilities can be merged and extended with the cognitive capabilities of...

Recent research indicates there are different cognitive patterns and coping mechanisms related to increased levels of Internet use and emotional distress in adolescents. This study aims to investigate the relationship between coping mechanisms, dysfunctional negative emotions, and Internet use. A total of 54 participants aged between 14 and 19 year...

During the observation, analysis and examination of cognitive processes, human-computer interfaces are increasingly becoming widespread. Programming could also be seen as such a complex cognitive process. This study aims to examine the efficiency of the clean code paradigm and compares to the dirty code produced without the principles formulated in...

The aim of this paper is to contribute to a better understanding of children's vision care from the identification to treatment, with, in particular, a better understanding of the use of eye tracking (ET) technologies. While there are indications that these technologies can support vision care, a comprehensive understanding of the possibilities is...

Computer adaptive testing (CAT) enables an individualization of tests and better accuracy of knowledge level determination. In CAT, all test participants receive a uniquely tailored set of questions. The number and the difficulty of the next question depend on whether the respondent’s previous answer was correct or incorrect. In order for CAT to wo...

Due to the development of digital tools in the information society, all arenas of society are constantly changing, including the process and methods of education and learning. Both students and educators familiar with the use of digital devices have a significant presence of digital technology in their daily lives, not only in connection with teach...

Eye movement tracking systems offer the opportunity to observe and study a complex cognitive process such as programming. As a consequence of the growing number of program systems, software developers need to be able to use more and more programming technologies effectively. The paper analyses one of the possibilities of the C# programming language...

The multi-level development of programming skills of students participating in higher education has become inevitable. We have to respond on the challenges of the Fourth Industrial Revolution, Industry 4.0, where education of subjects requiring programming must also adapt. This issue has made Education 4.0 necessary, whose goal is to provide such s...

Teaching different programming subjects is an increasing challenge nowadays as because of growing user demands, the latest paradigms and technologies must be taught. Students in higher education now are of the age who were born into the digital world; however, the success of fulfilling programming courses is lagging behind. Human-computer interface...

Recognition of facial expressions is one of the basic skills used to understand the feelings and intentions of others and it represents a crucial ability for establishing interpersonal connections in life. Previous studies have shown that the ability to recognize emotions, the speed and accuracy, with which individuals process emotions, appears to...

In perception and activity tasks, continuous visual tracking of the performed activity requires continuous eye motion. Besides writing and reading, the cooperative work of eyes and hands is a key factor when drawing and at certain motions (e.g. ball catching or throwing); during the exact execution of motions, eye-hand coordination has the utmost i...

Eye-hand coordination means the ability to combine seeing and hand movement. Eye-hand coordination is a complex process consisting of a series of conscious actions. The fine motor skills of the hand were not born with us but learned. The development of eye-hand coordination has begun in infancy through various ball games, construction games and puz...

The study presents an analysis of algorithmic thinking using the results of an evaluation performed in the context of a study. Algorithmic thinking and understanding were examined with the help of a program flowchart in which students had to find errors. The results were also compared with previous programming experience, mathematical skills, and t...

The continuous visual tracking of activity performed in perception and action activities requires continuous eye motion. The visual computer monitoring, recording and evaluation of human motion provides many opportunities in the development of human-computer interfaces. In most activities performed by humans, eye-hand coordination plays a significa...

Through the analysis of eye motion, human cognitive activity, specific cognitive processes may be indirectly monitored. To track eye motion, several video-based devices have been developed, such as Gazepoint GP3. In the demo, the gaze path recording is demonstrated using GP3 device, then the evaluation of gaze fixations using OAGAMA software are ev...

Eye-tracking is a widely used method to examine the hidden cognitive processes. In this paper a program source code debugging process is examined by eye-tracking method. A computer based analysis was elaborated to test the debug process and record the main parameters of eye movement. During the test, two typical groups were established, in case of...

Recently, researches based on eye-tracking have more often appeared on the field of cognitive studies, education support systems and virtual reality. Eye-tracking based analysis may be useful in IT, particular in algorithm thinking, program code debugging. The purpose of this paper is to introduce the conditions of Gazepoint GP3 device and OGAMA us...

Several papers focus on the IoT ranging from consumer oriented to industrial products. The IoT concept has become usual since the beginning of the 21st century and was introduced formally in 2005 [45, 53]. IoT gives the possibility for lots of uniquely addressable “things” to communicate and exchange information with each other over the existing ne...

From human aspect, several cognitive factors can be determined by different measuring methods. The human visual attention and some hidden cognitive processes may be revealed and examined by Eye-tracking. Using the parameters of eye-tracking, human activity, the visual attention can be observed, so even emotional condition of the human can be conclu...

Examination of human eye move is useful because by eye tracking and definition of visual attention, may making conclusions about hidden cognitive processes which are harder to examine. With human eye tracking, visual attention can be defined, therefore hidden cognitive processes may be revealed and examined. The goal of the research, presented in t...

ICT tools are available in all fields of life, whether they are industrial or scientific. Development of technical tools are getting very fast nowadays, enabling several opportunities in educational technology too, and even the role of the educator is changing. But opposed to the opportunities provided by new technologies and tools, some educators...

These days EEG headsets have appeared among others, not only applied in the field of medical researches, which are able to measure the electrical changes ongoing in the brain, moreover, the wear of them is not uncomfortable in long-term either. The article introduces a research applying BCI system, in which such an electroencephalography (EEG) base...

Several new interfaces provide possibilities for the realization of human-computer interaction including the controlling systems based on human movement. The human–computer interaction is able to detect the cognitive actions, the human and computer can have much more than an interaction (HCI). Here the Human and the system form a combined capabili...

ICT tools are available in all fields of life, whether they are industrial or scientific. Development of technical tools are getting very fast nowadays, enabling several opportunities in educational technology too, and even the role of the educator is changing. But opposed to the opportunities provided by new technologies and tools, some educators...

By the development of IT systems, human-computer interaction is also developing even faster and newer communication methods become available in human-machine interaction. In this article, the application of a hand gesture controlled human-computer interface is being introduced through the example of a mobile robot. The control of the mobile robot i...

By the development of IT systems, human-computer interaction is also developing even faster and newer communication methods become available in human-machine interaction. In this article, the application of a hand gesture controlled human-computer interface is being introduced through the example of a mobile robot. The control of the mobile robot i...

The paper demonstrates the modernization of the laboratory thermal expansion measurement of Engineering Physics subject at the University of Dunaújváros, in spite of this modernization the university doesn’t want to displace the conventional laboratory measurement. The aim is that students get to know the newest industrial technologies and their ap...

The attention is a relevant role during the learning and memorization process so the effectiveness of learning can be inferred from the examination of attention. In this article, a new methodology will be presented, which is based on the measurement of attention and can be capable to examine the effectiveness of learning. The investigation procedur...

In this article, a Brain Computer Interface (BCI) based speed controlled mobile robot is introduced. The mobile robot can be controlled via WiFi wireless network by the BCI application. This topic strongly belongs to Cognitive Infocommunication and BCI research areas in the field of psychological, information and collective infocommunication. The i...

In this article, a simple-designed mobile robot built up from cost-effective parts is introduced. The mobile robot can be controlled via WiFi wireless network with the help of a simple application. Due to the cheap and simple design of the robot, it may be a useful developing tool for those, who can not afford themselves a much more expensive robot...

The article presents an eye tracking analysis based study in context of learning IT skills. The goal of eye tracking analysis is to determine the gaze movement differences between students with different prior knowledge during answering a question in the topic of computer networks. The gaze movement was tracked by cost-effective Eye Tribe tracker,...

The article shows the design and implementation of a gesture control system, which determines the gesture from the movement of the hands. The presented gesture controller system can be built relatively easy from cheap components, so it is ideal development goal in case of a students' project also in the field of project based learning. The movement...

Researches regarding brain-computer interface (BCI) technologies have become more-and-more widespread by nowdays in the world of science. The goal of the initial use of technology was to enhance life quality of patients suffering in different neurological (e.g.Amiotrophic lateral sclerosis) diseases, but possibilities of this technology provide new...

Researches regarding brain-computer interface (BCI) technologies have become more-and-more widespread by nowdays in the world of science. The goal of the initial use of technology was to enhance life quality of patients suffering in different neurological (e.g.Amiotrophic lateral sclerosis) diseases, but possibilities of this technology provide new...

Jelen kötet a C++ szabványos sablonkönyvtár adapter tárolóit ismerteti. A könyv olvasása során megismerjük az adapter tárolók különböző tulajdonságait és eltérő működési módjait, amelyek biztosíthatják számunkra, hogy egy programozási feladatra hatékony, gyors és elegáns megoldást tudjunk nyújtani. Továbbá a mű néhány projekten keresztül lépésről-l...

Jelen kötet a C++ szabványos sablonkönyvtár szekvenciális tárolóit ismerteti. A könyv olvasása során megismerjük a szekvenciális tárolók különböző tulajdonságait és eltérő működési módjait, amelyek biztosíthatják számunkra, hogy egy programozási feladatra hatékony, gyors és elegáns megoldást tudjunk nyújtani. Továbbá a mű néhány projekten keresztül...

E könyv a C++ nyelven történő objektumorientált szoftverfejlesztést megismertető sorozat harmadik kötete, mely sorozat gyakorlati példákon keresztül segíti a nyelv elsajátítását. Bízunk benne, hogy azok, akik végigolvassák a könyvet, és kidolgozzák a példákat, alkalmazás szintjén megismerik a C++ nyelvi elemei által adott lehetőségeket, a nyelv log...

E könyv a C++ nyelven történő objektumorientált szoftverfejlesztést megismertető sorozat második kötete, mely sorozat gyakorlati példákon keresztül segíti a nyelv elsajátítását. Bízunk benne, hogy azok, akik végigolvassák a könyvet, és kidolgozzák a példákat, azok alkalmazás szintjén megismerik a C++ nyelvi elemei által adott lehetőségeket, a nyelv...

A development test environment provides a great help in case of development of control systems, which can help to build and test a prototype of complex control system in a relatively simple manner, taking into account the required real-time operation. This test environment can be built simple by the help of LabVIEW and LabVIEW Real-Time Module, co...

A development test environment provides a great help in case of development of control systems, which can help to build and test a prototype of complex control system in a relatively simple manner, taking into account the required real-time operation. This test environment can be built simple by the help of LabVIEW and LabVIEW Real-Time Module, co...

Nowadays most of the software developers have the knowledge and resources with the use of they are able to implement a simple computer game. We have to try for the minimizing of the counting demand in the case of computer games too such as implementing other applications. The article presents the execution of a simple martial, gunnery, simulation...

Nowadays most of the software developers have the knowledge and resources with the use of they are able to implement a simple computer game. We have to try for the minimizing of the counting demand in the case of computer games too such as implementing other applications. The article presents the execution of a simple martial, gunnery, simulation...

Recently more and more research methods are available to observe brain activity; for instance, Functional Magnetic Resonance Imaging (fMRI), Positron Emission Tomography (PET), Transcranial Magnetic Stimulation (TMS), Near Infrared Spectroscopy (NIRS), Electroencephalograph (EEG) or Magnetoencephalography (MEG), which provide new research opportuni...

The attention is a relevant role during the learning and memorization process so the effectiveness of learning can be inferred from the examination of attention. In this article, a new methodology will be presented, which is based on the measurement of attention and can be capable to examine the effectiveness of learning. The investigation procedur...

Several research groups all over the world are currently aiming to develop technologies that could create connection between humans and other devices through brainwave detection. With the method of brainwave evaluation defined by the procession of brain signals, a number of nonexistent or incipience applications can be developed in the future. The...

Nowadays the education of different programming and software development courses is more difficult. Students are not able to learn solutions and techniques that are needed to solve a problem even though their prominent interests and diligence. In cognitive psychology, there are some test procedures which can measure the problem solving ability of a...

E könyv a C++ nyelven történő objektumorientált szoftverfejlesztést megismertető sorozat első kötete, mely sorozat gyakorlati példákon keresztül segíti a nyelv elsajátítását. A könyv segítséget kíván nyújtani a programozók számára a nyelv megismerésében, kiemelve azokat a jellegzetességeket, amikre figyelniük kell a kódolás során, valamint nyelv po...

The smart phone has become an accustomed tool for humanity, such as personal computer or debit card. Millions of people use it for making calls, browsing or for vehicle navigation all over the world. However, making phone calls or surfing the Internet are charged and many users tend to ignore the expenses of these services. This article provides a...

The smart phone has become an accustomed tool for humanity, such as personal computer or debit card. Millions of people use it for making calls, browsing or for vehicle navigation all over the world. However, making phone calls or surfing the Internet are charged and many users tend to ignore the expenses of these services. This article provides a...

The article presents an application design which run on the Android Operating System and requirement analysis and specification has been provided. The designed application will lead to the users a full range of bill about fees of the current period or balance. The design is one of the most important life cycle of the software development, which can...

The article presents an application design which run on the Android Operating System and requirement analysis and specification has been provided. The designed application will lead to the users a full range of bill about fees of the current period or balance. The design is one of the most important life cycle of the software development, which can...

When information leaking out we can represent all of the possible contacts between the supposed perpetrators and important traces. The case can be analysed with a graph based evaluation method. In the article we present a graph based evaluation method that help to idetify users and systems which the primary attacking point of the systems.

IT security has high priority in a komplex, multi user IT system. Security systems and safety measure are needed to protect data and systems. The maximum protect level has determined by defense against external attacks and connections of users and user groups who access the system. In the article we examine these user connections, data links and de...

In the investment period of 2014-2020 the city dimension is expected to strengthen. The European Committee is suggesting new means to consider while planning in order to be more efficient using the resources. The Integrated City Development Strategies (ICDS) and the Integrated Regional In- vestments (IRI) are having special attention. In our coun...

The attention is a relevant role during the learning and memorization process so the effectiveness of learning can be inferred from the examination of attention. In this article, a new methodology will be presented, which is based on the measurement of attention and can be capable to examine the effectiveness of learning. The investigation procedur...