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This article focuses on the effectiveness and robustness of facial classification systems in the field of biometric identification. Artificial intelligence is increasingly becoming a part of everyday life, with more and more users employing it across various domains. In the field of security, AI is used, for instance, in cybersecurity and risk analysis. It is also integrated into surveillance systems, particularly for facial recognition. A comparative analysis of three convolutional neural networks-GoogLeNet, ResN...

Accurate solar power forecasting is essential for grid stability and efficiency. Precise generation forecasts help balance electricity supply and demand, prevent overloads, and support renewable energy integration. It enables to optimize bidding strategies and reduce penalties for imbalanced production. This study presents a solar power forecasting approach that integrates deterministic models with machine learning. The system utilizes the pvlip Python library for deterministic calculations. XGBoost-based machine ...

Agroecology, which merges ecological principles with agricultural practices, offers a pathway to food security while ensuring environmental sustainability. However, its implementation faces challenges stemming from ineffective ecological resource monitoring, predetermined climate conditions, and insufficient real-time data for precision farming and well-informed decision-making. The aimed first, to develop models that monitor soil health and predict crop yields under different agroecological conditions powered by ...

Ultrasound diagnostics is a key tool in the investigation of renal diseases in pediatric patients due to its non-invasiveness and accessibility. Although it offers many advantages. Its accuracy in detecting functional pathological changes is investigated in this article. This pilot study included 17 children aged 1 to 18 years who underwent renal ultrasound examination followed by scintigraphy examination in a nuclear medicine clinic. Renal ultrasound images were analyzed using the digital B-MODE Assist system. wh...

Hydrogen is gaining popularity as a fuel source for more and more fields around the globe. The use of hydrogen for transport represents one of the important applications of this chemical substance, in this sense the development of infrastructures, but especially the safety of hydrogen filling stations representing an important element. Using hydrogen to power transportation can reduce harmful ozone-depleting emissions while improving air quality. Hydrogen fuel cell vehicles can help improve air quality and solve c...

The work is dedicated to formalizing the process of designing embedded systems with distributed heterogeneous organization. The original model of representing a computational system as a set of computational platforms interconnected both hierarchically and within the same level is taken as the basis. The abstraction of a -design platform- is interpreted as a design solution that is fixed for reuse and provides an application interface for building an -upward- hierarchy of abstractions alongside specifications for ...

The paper presents the research and results obtained by authors concerning the reactor modeling of the catalytic cracking process using two methods: artificial neural network (ANN) and multiple linear regression (MLR). This study is structured in four parts. The first part presents the process description, and the existing models in the literature. The second part presents the multiple linear regression method, the reactor model obtained with this method, and the comparison between the output experimental data of ...

The modern monitoring and control systems that are currently used in most fields are based on intelligent algorithms, distributed management systems, and a new generation of communication buses. For the monitoring and control of the processes inside a greenhouse, the use of sophisticated algorithms or complex devices is not required. However, to make the activity more efficient and increase the production of a greenhouse, a proposed solution is to use data management and control system such as PLC and HMI devices,...

Digitalization and the concepts of Industry 4.0 undoubtedly contribute to companies' competitive advantage, which can be achieved, among other things, by improving the efficiency and stability of the production process through their implementation. The main purpose of the article is to demonstrate the impact of digitization on the most important indicators of production efficiency using the example of a student project of a production line simulation system, implemented by the Student Scientific Circle of Manageme...

Numerous studies have examined the potential integration of Building Information Modeling (BIM) with Geographic Information Systems (GIS), typically focusing on simplifying complex BIM data for presentation within a GIS environment. However, there is a unique circumstance with extensive geodetic databases that remain untapped in construction processes in Poland. The emergence of the more applicable IFC format version 4.3, particularly relevant to surveying, presents an opportunity. The article proposes leveraging ...

Agricultural productivity and environmental changes can be greatly affected by agricultural and other land use. Mapping of vegetation and land cover is a fundamental way of managing the natural resources on the earth surface. To determine or study the crop productivities of any geographical location, agricultural land use is one of the crucial clues for reliable information. We aimed to investigate the effects of urbanization on agricultural lands in Sao Paulo city. A 30-year multi-temporal satellite imagery datas...

Urban meteorological parameters and traffic emissions are characterized by microterritorial variability. Online weather and traffic information is the basis for creating online services to provide users with information about the toxicological risk, noise effects and thermal stress risk. The purpose of this work is to assess the possibilities of online environmental modeling. The methodology includes special field studies to select model parameters, developing models for online calculations of noise levels, concen...

Cyber-physical physical systems find their place in all spheres of modern life and are in a stage of rapid development. The prospects for the development of cyber-physical systems affect the interests of society as a whole, so they should be considered not only in a technical, but also in a broader socio-cultural aspect. The scope of application of cyber-physical systems extends to industrial systems, energy, transport and military systems, as well as all types of life support systems. Researchers repeatedly consi...

Road traffic fatalities are a significant concern worldwide, as highlighted by data from the World Health Organization (WHO) and other international organizations. One approach to enhancing road safety is through the assessment of specific characteristics or features that contribute to the overall safety condition of roads. The International Road Safety Assessment Program (iRAP) identifies several attributes that have a direct impact on road safety. Some of these attributes can be collected from satellite imagery....

Given the large interest for future uses of hydrogen, special safety measures have to be implemented for avoiding potential accidents. The broad objective of the research study is represented by the development and testing of experimental models representing areas of analysis and study for the initiation and combustion of air-hydrogen mixtures, respectively by numerical modelling of these phenomena, in order to obtain appropriate input data sets for precision computer simulations of chemical explosions of air- hyd...

In this paper, we address some challenges of protracted loading times and reduced performance when managing large image sets delivered as output by popular meso-scale weather and air-quality models when used in graphic engines of associated software applications. Following an examination of several distinguished models' output, we introduce an innovative approach centered on a three-tier software system architecture, supplemented by strategies including lazy-loading, image compression, and load stream prioritizati...

All the affluent countries are characterized by urbanization. Increase of the urbanized areas leads to change of total nitrogen and phosphorus unit discharges from the catchment areas. Therefore, there is necessity of the watersheds parameters ascertainment for usage of them at the biogenic elements outflow calculation. For that reason, we must determine the watersheds boundaries and types of surface within the watersheds. The considered methodology includes the watersheds boundaries ascertainment by means of digi...

The vibration study of the cycloidal gear and the prevention of vibrations are important issues in the field of mechanical engineering. Cycloidal gears are used in many different applications, including industrial machinery, industrial robots and medical devices. Vibration tests of the cycloidal gear consist in identifying the sources of vibrations and determining their characteristics. As a result of the conducted research, the sources of vibrations can be identified and strategies for their reduction can be deve...

The aim of this project is to compare the effectiveness of different neural network architectures and pre-trained models for the classification of forest flora and fauna. Experiments were conducted on a dataset containing images of selected plants and animals found in the forest. The project covers the basics of convolutional neural networks, and compares the architectures of the networks used in the study. The results of the experiments compare the effectiveness of different convolutional neural network architect...

Wireless data transmission interfaces have advantages that ensure their wide and almost inevitable application in a number of tasks of creating modern automation systems, cyber-physical systems, Industrial Internet of Things, and sensor networks. However, there is a certain methodological gap between radiophysicists who are engaged in the design of wireless networks, and IT specialists who need to implement them into various computing systems. The gap is caused by the insufficiently high quality of documentation, ...

Determining the optimal trajectory of a manipulator is a mathematically complex part of control due to the time-consuming determination of inverse kinematics, the complexity of which increases as the manipulator's degrees of freedom increase. The control of manipulator actuators is based on algorithms focusing on the shortest possible control time and zero position deviation. Values such as power consumption, which affect the growth of the carbon footprint, are not taken into account. For this reason, alternative ...

The article deals with the topic of cyberterrorism committed with the help of social engineering. It lists the means and methods used by modern cyber-terrorists but mentions in more detail the less common ones, which have a greater chance of success because they are not widely known. In the case of cyber terrorism or cyber war, the damage can become global. It is in the existential interest of every state or company to have a sufficient level of prevention against threats to its digital space and adequate settings...

The special regime of nature reserve complexes allows for the protection and reproduction of local flora and fauna, local Red Data Book species, and the implementation of preventive measures against their extinction from the region. Military operations on the territory of these complexes have an irreversible impact on the further development of the region's natural complexes. The authors of the publication have studied the territory of one of the protected areas affected by military actions in the Kherson and Myko...

Indoor positioning systems have a wide variety of applications. They can be used to see and track user location, for real-time navigation and others. They are usually developed for a specific building or set of buildings and may use different positioning techniques to meet the user needs in terms of accuracy and budget constraints. For the current study free and open source data is used for development of the base map - OpenStreetMap and Leaflet library. The data for specific building is added, as the floor plans ...

3D printing technology is used in many areas, especially in prototyping new parts and elements. Assessment of the quality of powders for the production of 3D printing filament is extremely important because it has a direct impact on the quality and reliability of printed objects. High-quality powders are essential to ensure optimal performance and print accuracy. In the case of 3D printing, filament is the basic material that is processed and layered to create three-dimensional objects. To ensure the quality and d...

Tailings in Kosovo as in any other country in the world look like an asset and mineral resources, but despite this, these Tailings have a very large impact on the process of environmental pollution. In addition to the chemical and mineralogical research of the Artana Art-1 Tailings, we have conducted research on the geostatistical distribution of most pollutants and chemical elements of this tailing. The flotation process of the Artana mine builds tailing Art-1 and the waste released from this process is dumped in...

The research on the development of new robot control systems is currently underway. The interest in this area stems from the need for practical, user-friendly means of transport adapted to people with physical disabilities. The application of these devices will allow disabled people to manipulate external devices using EEG of both brain activity and eye movement. It is still possible for people with disabilities to partially apply their gaze in order to control and communicate with an assistive device. However, th...

The article deals with the information technology development for monitoring and visualization of the load of urban environment public open spaces and human behaviour. The problem of urban public open space load became actual both in everyday life and in the conditions of pandemics. The offered information technology includes several dynamic or real-time data acquisition modules, data server with data processing, clustering and simulation functions and mobile application for end users on their mobile devices. A mo...

The article presents the possibilities of using retinal images for identification of persons using biometric technologies. The properties of the retina that are used for identification are completely unique to each person and do not change over time. The probability that two exactly the same retinal vasculature patterns will be mismatched is very low to zero. Therefore, the use of retina for biometric identification is rated as very accurate in contrast to the reliability of other biometric methods and is used in ...

Computer simulation has a significant application in the field of metallurgy. It is primarily an issue that deals with the issue of casting. The simulation of casting and solidification makes visible the foundry phenomena that take place in the gating system and the casting when the mold is filled with liquid metal and during its solidification. The article deals with the design of the gating system and the simulation of the filling and solidification of a real casting made of ductile iron. In the next production ...

The Geographic Information Systems (GIS) are one of the main tools through which changes in the urban environment can be tracked. They can be used to analyze processes not only as territorial phenomena, but also to derive spatio-temporal models and trends. Free and open access data was used for the present study - from Copernicus, OpenStreetMap and the Urban Development Plan of Sofia Municipality were used as sources. Data layers for the terrain, land cover, buildings, street network and others were analyzed toget...

Computer simulation of foundry processes is an essential part of a modern foundry. The role of the gating system, its design and different elements are important in casting. Experimental verification of the designed gating system for new castings is costly, timeconsuming and economically inefficient. Therefore, these processes in the foundry are replaced by computer simulation. A detailed analysis of the simulation results makes it possible to predict various risks that may cause a failure in the quality of castin...

Laser scanning can be used to acquire measurement data for Building Information Modeling (BIM). Terrestrial Laser Scanning (TLS) technology is ideal for this type of work. Having a point cloud of the measured object, dimension and model it in accordance with reality are possible. TLS gives the opportunity to obtain a big amount of observations, which on the one hand allows for an accurate depiction of the object, but on the other hand is troublesome during BIM developing. Therefore, the paper presents the methodol...

The current information age has led, globally, to an exponential increase regarding the availability and the use of the information, both structured and unstructured, a phenomenon known as Big Data. The term Big Data refers not only to the massive volume and variety of data itself, but also to the set of technologies that surround it, in order to collect, store, retrieve, manage, process and analyze data in order to solve complex problems in society, respectively for increasing the quality of life in all its aspec...

This article deals with the design and implementation of an intelligent biometric system that allows the detection and classification of a person's face from static image data and creates a system for evaluating its reliability. In its introductory part, it theoretically describes applied biometrics and biometric systems for security identification and user verification, and also deals with the theory of the description of algorithms for human face detection and recognition. Subsequently, the authors use the MATLA...

Explosive atmospheres may occur both in underground mining, as well as in surface industries such as the oil and gas, chemical, petrochemical, wood or baker industries, basically in all industries which extract, process, use, transport or store flammable substances. Within the European Union, Directive 2014/34/EU regulates the placing on the market of equipment, protective systems and components intended for use in such hazardous atmospheres. In this regard, for proofing the compliance with the essential safety re...

Diagnostic ultrasound (US) and magnetic resonance imaging (MRI) are important medical imaging methods in modern radiology. Our research is focused on imaging brain structures in neurology. In this paper we present differences of digital image analysis of the substantia nigra (SN) between US and MRI using the same algorithm. In the past, we developed an application for analyzing substantia nigra echogenicity in BMODE US images. Our developed application is based on a principle of binary thresholding in Region of In...

Based on data from the last decade, institutions have faced an increasing number of applications for licenses and permits for raw materials, construction, industrial and metallic minerals. Receipt of applications and accompanying documents for licenses and permits is currently performed as a manual process and submitted by enterprises in hard copy format. Institutional officials consistently face with the difficulties in manually processing all data from applications and accompanying documents submitted, causing d...

Biomass is monitored in many agricultural studies because it is closely related to the growth of the crop. The technique of digital repeat photography that continuously capture images of a given area with an RGB or near-infrared enabled cameras, Phenocams, has been used for more than a decade mainly to estimate phenology. Studies have found a relationship between Phenocam data and above-ground dry biomass. In this context we investigate the modeling of barley fresh above and underground biomass with Green chromati...

The significant increase in the price of energy resources leads today's society not only to a reconsideration of energy conservation policies but also to the encouragement of architects, builders, and building owners to use thermal insulation and exterior wall finishing systems. The design of thermal insulation for facades is a constructive decision, in which the layer with thermal insulation properties is fixed on the load-bearing side of the walls, with the help of adhesives and/or by mechanical means, followed ...

This article deals with the use of the principles of fractal geometry applicable in the field of cryptographic security of communication within information systems. The theory of the proposed solution is based on the field of iterative fractals created using the TEA (Time Escape Algorithm) algorithm. The introductory part deals with the issue of choosing a suitable category of fractals for the purpose of securing information systems. The next part deals with the issue of generation, analysis of fractal structures,...

The purpose of law 165/2013 is the identification and inventory on topographic maps of all lands owned by the public or private domain of the state and the identification of lands that constitute the available reserve of the local land commission to complete the restitution process in nature or equivalent of the real estate abusively taken over during communism. This paper aims to present the steps in verification, validation, and correction of surface topological errors for works specific to law 165/2013 using Ar...

The paper presents the results of research on the possibility of calculating the investment potential of a particular area based on its spatial characteristics. The level of spatial unit in this research is local administrative unit (cities or municipalities), while the geographic coverage is entire area of Republic of Croatia. Regarding the method, the results could be applied internationally and are not limited to national borders. Furthermore, when deciding on investing, it is important to know the risk. This r...

Predictive process control is a method of regulation suitable for controlling various types of systems, which is based on the idea of using the prediction of future system behavior and its optimization. Normally, a system model is used to predict behavior, and therefore it is necessary for the correct function of predictive control to make its correct selection and determine its parameters so that the controlled system is described as accurately as possible. Another advantage of predictive control is the possibili...

Flying ad-hoc networks (FANET) based on unmanned aerial vehicles (UAVs) are characterized by frequent changes in the network topology, which is caused by switching nodes on and off, as well as their movements in space. These aspects of the FANET operation determine the relevance of the development of new routing protocols, which differ significantly from the protocols of hierarchical networks with a constant topology. One of the key problems of FANET is the high overhead costs for transmitting service messages abo...

This article discusses methods for designing distributed information systems for use in design using the Hyperledger blockchain platform. Of course, the main stages do not differ, but there are also differences that will be identified in the course of the study and a proprietary approach to the implementation of these features is proposed. The request for the possibility of decentralizing business processes in certain areas (such as financial transactions) led to the emergence of distributed ledger technologies, w...

The paper solves the problem of creating a device for electrical measurements for the purpose of geological research. There are a large number of data acquisition and processing systems, analog-to-digital converters (ADC) and other serial processing technical means for measuring and storing analog electrical data with their preliminary conversion into digital readings. This is done for the purpose of subsequent processing of these signals, which allows calculating some characteristics, which are then used to calcu...

The article is devoted to the problem of cleaning and disposal of waste from mining enterprises of the Russian Federation, using the example of the production of alumina (aluminum oxide). The problem associated with the efficient use of industrial waste as sorbents for the purification of wastewater from mining enterprises is considered. A method is proposed that meets the requirements of the purification efficiency in terms of environmental and economic parameters. The substantiation and proof of the expediency o...

The subject of this study is the development of a web-based system for real time data tracking and applying GNSS corrections in GIS environment. This includes the data structures specification in a geospatial database, obtaining a methodology for system realization and discussing the results with an accent to the accuracy of the corrected GNSS positions. The system for tracking and applying GNSS corrections in GIS environment is entirely built by using free and open source software and has web-based interface. The...

The article deals with new possibilities of electronic documentation eHealth (a global concept of electronic health care) and examines the use of information technologies in health care. It describes the issue of keeping medical records in electronic form and then analyzes the method of implementation of these technologies. The electronic form of this information will greatly simplify and make available the transfer of information. Currently, this form is required mainly from workers in the medical and biomedical ...