Zoltan Balogh

Zoltan Balogh
University of Constantinus the Philosopher in Nitra - Univerzita Konstantína Filozofa v Nitre · Department of Informatics

PhD

About

72
Publications
65,432
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365
Citations
Additional affiliations
September 2004 - present
University of Constantinus the Philosopher in Nitra - Univerzita Konstant’na Filozofa v Nitre
Position
  • Professor (Associate)

Publications

Publications (72)
Article
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Face recognition and motion detection are described in the context of the construction of a system of intelligent solutions, for use in the home, that can be used as a single free standing functional unit or as an element of a bigger system, connected to the Internet of Things. To create a complex system, a micro PC, Raspberry Pi 3, was used togeth...
Article
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This paper deals with the possibility of predicting student’s grades based on their usage of Learning Management System (LMS) Moodle. It is important to know what materials would be best suited in LMS as study materials and what materials could be improved or removed based on the student’s usage of the materials and the final grade. In order to do...
Article
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The Internet of Things (IoT) is becoming a regular part of our lives. The devices can be used in many sectors, such as education and in the learning process. The article describes the possibilities of using commonly available devices such as smart wristbands (watches) and eye tracking technology, i.e., using existing technical solutions and methods...
Article
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We evaluate whether the Needleman-Wunsch algorithm is suitable for user trajectory comparison. The problem that we aim to solve is pair-wise user trajectory comparison. Similar user trajectories are then clustered with respect to their similarity, where clusters emerge in a non-supervised way. We assume that user position, provided by GPS (Global p...
Article
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The following case study was carried out on a sample of one experimental and one control group. The participants of the experimental group watched the movie section from the standardized LATEMO-E database via virtual reality (VR) on Oculus Rift S and HTC Vive Pro devices. In the control group, the movie section was displayed on the LCD monitor. The...
Conference Paper
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In the field of wireless sensor networks (WSN), there are several important factors that affect it, but security is the most important. This is because WSN is a big part of our daily lives and the data it spreads is essential to protect. It is in everyone's interest that our sensitive private data is not leaked. For this reason, prevention and prot...
Conference Paper
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The topic of analysing human emotions is a complex one that has received considerable attention in recent years. It's essential to identify the ties between seemingly unrelated subjects and domains like computer science and psychology. As a result, it has a lot of potential for improving human-computer interaction in a range of domains, such as edu...
Article
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In this paper, we compare three different models of multilayer neural networks in terms of their success in the classification phase. These models were designed for EmguCV, ML.NET and Tensorflow.Net libraries, which are currently among the most widely used libraries in the implementation of an automatic recognition system. Using the EmguCV library,...
Conference Paper
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The current period is evidence of the massive replacement of human strength by the results of the mental cognitive work of researchers. To cope with this situation, it is necessary to examine the impact of these technologies on the quality of life in the work and home environment when introducing new technologies. The main purpose of this work will...
Article
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Numerous optimization problems have been defined in different disciplines of science that must be optimized using effective techniques. Optimization algorithms are an effective and widely used method of solving optimization problems that are able to provide suitable solutions for optimization problems. In this paper, a new nature-based optimization...
Conference Paper
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The paper deals with the creation of an available IoT device, with which we will be able to classify the emotional states of the user. The paper describes the possibilities of classifying human emotions and how the measured data are related to human emotions and describes the composition of the proposed system as well as the specific hardware and s...
Conference Paper
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The article describes the design of a sensory network based on the Internet of Things (IoT), which will be able to monitor the emotional state of individual students, verify the functionality of the proposed system, implement innovative methods in education and adapt teaching materials based on data obtained from the sensory network. New content an...
Conference Paper
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During the teaching process, changes in students' emotional states may take different directions. From the teacher's point of view, it is important to direct the learning process so that the students are interested in the curriculum and get the most out of the learning process. It is important for the teacher to be able to record the student's feel...
Article
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The current period is evidence of the massive replacement of human power with the results of the mental cognitive work of researchers. This mainly concerns the area of industrial production, where the aim is to apply new technologies on the principle of artificial intelligence, using the possibilities of a new direction in the use of a technology c...
Article
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In this paper we introduce the draft of a new graph-based algorithm f or optimization of scheduling problems. Our algorithm is based on the Generalized Lifelong Planning A* algorithm, which is usually used for path planning for mobile robots. It was tested on the Job Shop Scheduling Problem against a genetic algorithm’s classic implementation. The...
Article
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The Ergonomics and Human Factors Regional Educational CEEPUS Network was established and approved for funding as a result of collaboration between nine universities with a key role in teaching and cultivating ergonomic knowledge and the profession of ergonomist (especially in industrial and logistics systems fields). The prestigious participating u...
Article
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In order to assure effectiveness, digital instruction prioritizes digital devices and systems over traditional technological and methodological solutions. In the current digital age and the way of life defined by digital culture, digital skills and competences become highly appreciated. Also, innovative methodological solutions, promoting the long...
Chapter
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Emotion recognition relies heavily on physiological reactions and facial expressions. There may be a few research that deal with the collection of physiological data from users using various Internet of Things (IoT) devices, but even fewer studies exist that deal with the classification and prediction of emotional states based on collected physiolo...
Article
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Some of the advantages of CNC machine use are high processing quality and the speed of the final machining of the product. In the paper we present the low cost solution while the goal was to design and implement a 3D model of a CNC machine based on laser engraver that does not contain too many parts (not only because of the price but also because o...
Article
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With the increasing expansion of IoT networks, people are trying to connect more and more devices to data networks. Nowadays, such devices are made possible by platforms such as Arduino and Espressif. In recent years, one of the areas of interest for IoT has been the development and maintenance of beekeeping. Although there are various commercial s...
Article
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The definition digital culture in the narrower sense can be summarized as managing information with digital tools. hi a broader sense, it is the transformation of elements of bolt traditional literacy and culture, into new digital forms and environments that affect the daily lives of our society. One of the strong features of this is the developmen...
Chapter
The paper deals with the issue of finding and assessing the effectiveness of the use of information technologies for the optimal setting of teaching procedures. One possible solution is to personalize the teaching of computer science subjects in terms of accepting constructivist approaches. An important part of this form of teaching is the involvem...
Article
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This paper presents an electronic system for tracking students’ attendance. “BeHere” was implemented at Subotica Tech – College of Applied Sciences, introducing gamification elements into class attendance tracking. Given that the first year of their studies in higher education is the most crucial time period, it is vital that students are motivated...
Chapter
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Nowadays electronic security systems are not only about the alarm going off with a loud beeping when an object has been disturbed. They cover multiple other useful features that ensure the owner’s safety and his properties. These features can be the basic elements such as fire monitoring, gas leakage, flooding, assault or health emergency. Or more...
Chapter
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The face recognition and subject emotion classification is also an important area of current studies in psychology, with many potential uses and applications. Correctly assessing and recognizing subject’s emotion can lead to better understanding its behavior. However the used methods in present often have had a multitude of disadvantages. Therefore...
Chapter
Recent scientific evidence suggests that emotions are a ubiquitous element of human-computer interaction and should be considered when designing usable and intelligent systems. The Internet of Things as technology is now used in various spheres of public life. The great benefit of using it is automation of processes and acceleration of activities....
Chapter
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Today’s trend is to use IT in every area of our lives. Technology is primarily used to improve the standard of living. Emotions are the basis of human experience, even though it is difficult to define, recognize, and classify them. Nowadays, greater emphasis and attention is placed on the computer’s ability to evaluate emotional changes and conditi...
Conference Paper
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The paper describes the creation of a Petri net model of student behaviour in a LMS e-course. The model was based on Moodle's log files that allow seeing what parts of the e-course the student has visited at what time. This way it was needed to know whether there is a relation between the time spent on study materials and the acquired knowledge nec...
Chapter
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This paper deals with the idea of calculating probabilities and percentages with Petri nets. Uncertainty can be expressed with Petri nets as one place with multiple output transitions. In that case, the transition that fires are selected randomly while each transition has the same chance to fire. This paper presents the idea of assigning a weight t...
Conference Paper
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A computer network is a perfect system of connected and cooperating computers. It forms the basis of many other systems. The aim of the paper is to analyse and propose security for local computer networks. The aim of the analysis is to create a compact overview of the information that is important for understanding the potential risks and threats i...
Conference Paper
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The concept of the Internet of Things is becoming more and more present today. Every day there will be more devices that could be included in the Internet of Things, whether it is a smart home device or workstation. It is a platform that connects different types of objects and provides them mutual communication. This means that different objects ar...
Article
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The program system Pro/MechaniCa is a specific software product designed for solving of different kinds of technical problems in general engineering. We were looking for usage not only in the engineering but also in the terramechanical area. We realized a simulation loading of the soil with a rigid circular table and after the loading we calculated...
Conference Paper
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Cloud is understood as a storage which provides space for data storage. The concept of Cloud and Cloud computing has a wider range. It can be characterized as providing services and various applications which are saved on servers while there is access to them through Internet. It is possible to work with data in cloud not only online mode but also...
Conference Paper
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Computer vision, as a science and technological discipline, deals with the ability of the electronic devices to obtain information from a digital image – “to understand the situation” and thus to make a decision or complete a task. It belongs to the technology used in all fields of industry and research. The analysis of the current status, general...
Article
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Nowadays is automation a permanent part of ordinary households and subject to constant evolution. Standard of home automation is a smart (intelligent) home that meets the requirements of the owner and gives him considerable comfort. To the offer of solutions, the intelligent home includes, are control of lighting and temperature, camera system or i...
Conference Paper
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The paper describes the modeling design of data security in Cloud Computing. Data security can be defined as confidence and integrity maintenance of data processed by an organization. In the paper, dealing with data security in all layers of cloud computing is discussed. The standard cloud storage uses three-level data security model in cloud compu...
Chapter
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The paper describes a complex design of monitoring system handling created by the use of microcomputer Raspberry PI and LF RFID technology for the needs of monitoring and exploring the behavior of small terrestrial mammals and of selected species of birds. Similar systems already exist, but they are demanding and financially not affordable. To crea...
Conference Paper
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The paper describes a new way of activity monitoring of small rodents by the use of Raspberry PI and RFID. The created system deals with complex monitoring, record and acquisition of new entries from spatial activity. Raspberry PI is a full-valued micro PC with an operating system based on Linux which communicates and controls RFID reader working o...
Conference Paper
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The users of modern buildings require more and more comfort and for fulfilling habitation requirements they expect more achievements. Air-conditioning, refrigeration, lighting system, security and camera system, telecommunication system and computer network have been added beside the traditional heating and ventilation. Concurrently with the requir...
Article
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The paper deals with the design and realization of the model of educational processes by means of Petri nets in the managerial educational environment (LMS-MOODLE). It focuses on the effectiveness and employability of such tool for the creation of models. Based on the created educational models in Petri nets we are able to verify and simulate indiv...
Conference Paper
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The article presents the issues of creating software for mobile device in the graphical environment LabVIEW from the firm National Instrument. Prototype production is preceded, or fully replaced by the phase, in which using virtual instruments and simulation of real processes shall reveal plenty of errors leading to frequent and costly interference...
Conference Paper
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The development of computer technology has led to new modern management methods in the work experience. Evidence of this can be found in developments such as AC (adaptive control), robust control and, most clearly, AI (artificial intelligence) and expert systems. It is important to prefer regulator adaptation with minimal overshooting and speed and...
Conference Paper
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This paper summarizes the results obtained from the design, creation and implementation of the Universal Model of Educational Process with the Support of Petri Nets. Based on the created educational models in Petri nets we are able to verify and simulate individual processes, which are carried out during the passage of student through the e-course...
Conference Paper
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Nowadays, the popularity of e-learning systems is growing fast. It is allowed to follow the development web and multimedia technologies. Web-based education became wide spread in the past few years. Various types of learning management systems (LMS) facilitate the development of Web-based courses. The quality of LMS is an important feature that hel...
Article
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In modelling and process simulation the aim of the research is to create a designed functional control model of student communication in LMS system by a created model in Petri nets. The model reflects the student´s and the pedagogue´s requirements, is enough modular, not too complicated and it fulfils the basic pedagogical and psychological princip...
Article
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The subject of our interest is an educational process, which is a dynamic process, changing in time, and can be examined from various viewpoints. We can focus on participants of this process, i.e. on students and lecturers, and observe their mutual relations and interactions. Educational process understood as a dynamic system is an insofar extensiv...
Conference Paper
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The article deals with the issues of modelling of loading of a computer processor using LabVIEW. In the initial part of the article the authors deal with the definition of basic terms in the area of modelling and simulation of processes. In the second part, methods of verification and validation of models are presented. The article describes the mo...
Conference Paper
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One of the useful methods of increasing the effectiveness of the learning process and quality of students' results is integrating the on-line content and learning management system. In the paper we describe the applicability of different types of resources and activity modules in the e-learning courses and the worthiness of their usage. The contrib...
Conference Paper
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Basic requirements, which are imposed on LMS (Learning Management System) from the point of view of the needs of a teacher, are to present the contents of instruction, manage the instruction, communicate with students, motivate them to study, observe their progress and evaluate them. The article deals with an opportunity to implement fuzzy logic in...
Article
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Problems with continual processes modeling are apparent upon solving multilevel control systems, where, besides an extensive procedure level of control, there exists another level of control responsible for a continuous optimization of the process. It is natural that it is necessary to improve quality of any production technology in a complex way,...
Conference Paper
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Organization of the distance form of study is not an easy task. It can be quite complicated, especially regarding the communication or rather the instantaneousness and promptness of giving the feedback to the students. One of the useful methods of increasing the effectiveness of the learning process and quality of students' results is integrating t...