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Сучасні інформаційні системи
Scopus
ISSN 2522-9052 · National Technical University "Kharkiv Polytechnic Institute" · 609 artikel di indeks
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Artikel Jurnal
KNOWLEDGE SYSTEMATIZATION ABOUT THE CHARACTERISTICS OF EXISTING TECHNOLOGICAL MEANS FOR ASSISTING PEOPLE WITH VISUAL IMPAIRMENTS
The work is devoted to a detailed review of the main aspects of physical vulnerability for people with visual impairments, as well as technological means for navigation and adaptation to the surrounding environment, which can significantly enhance their sense of safety and security. The relevance…
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Artikel Jurnal
REDUCING COMPUTATIONAL COSTS BY COMPRESSING THE STRUCTURAL DESCRIPTION IN IMAGE CLASSIFICATION METHODS
The research of the article is focused on ways to reduce the amount of analyzed data when applying image classification methods in computer vision systems. The aim of this work is to develop approaches to reduce the dimensionality of the vector description of the etalon base using metric…
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METHODOLOGY OF THE NUMERICAL MODELLING OF PARAMETERS DETERMINATION OF THE RADIOMETRIC IMAGE OF REMOTE EARTH SURFACE SENSING BY BISTATIC RADIOMETER
The on-board bistatic radiometer (BR) provides sufficiently high-quality mapping of various terrestrial surfaces. The subject of study in the article is the determination of parameters of radiometric images (RI) of earth surfaces based on the BR construction options that are technically feasible…
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Artikel Jurnal
ADVANCED METHODS FOR CLASSIFICATION QUALITY ASSESSMENT LEVERAGING ROC ANALYSIS AND MULTIDIMENSIONAL CONFUSION MATRIX
The object of the study is the process of classifying objects in scientific problems. The subject of the study is methods aimed at assessing the effectiveness of multiclass classification. The goal of the study is to study the classification process and develop a classifier evaluation module to…
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Artikel Jurnal
MODELING OF INFRARED RADIATION PROPAGATION THROUGH THERMAL INSULATION SURFACES
The development of materials for blocking infrared radiation, provided there are several layers with different thermophysical characteristics, requires large amounts of experimental research. Therefore, it is advisable to automate this process. This is possible due to the modeling of heat flow…
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Artikel Jurnal
EFFICIENCY AND RELIABILITY OF MULTI-OBJECT CONTROL METHODS IN COMPLEX NETWORKS
Topicality. Efficient multi-object control in network environments ensures optimal performance and reliability. Due to delays and errors, traditional control methods often face challenges in managing complex, large-scale networks. The aim of the research. This study aims to evaluate and compare the…
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Artikel Jurnal
MATHEMATICAL MODEL OF INTELLIGENT UAV FLIGHT PATH PLANNING
The object of study is the process of planning the UAV flight path. The subject of the study is a mathematical model of intelligent UAV flight path planning. The purpose of the research is to develop a mathematical model for intelligent planning of the flight trajectory of unmanned aerial vehicles…
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Artikel Jurnal
ALGORITHMS FOR SYNTHESIS OF FUNCTIONALLY STABLE WIRELESS SENSOR NETWORK
Research objective. Development of algorithms that allow to implement the synthesis of a functionally stable wireless sensor network. Subject of research. Wireless sensor networks, algorithms for the synthesis of a functionally stable network. Research method. Algorithmic and numerical analysis of…
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Artikel Jurnal
SYSTEM TECHNICAL SOLUTION OF ELECTROMAGNETIC ADAPTATION
In military radiolocation systems, electromagnetic compatibility includes the provision of joint operation of the elements that make up various military devices, the creation of joint working conditions for devices as elements of different systems, and inter-system activities. The object of the…
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Artikel Jurnal
LOAD BALANCING OF THE LAYERS IoT FOG-CLOUD SUPPORT NETWORK
Topicality. Nowadays, the concept of the Internet of Things (IoT) is developing rapidly. In recent years, mobile devices have been used as elements of the IoT. But when using mobile devices, a number of problems arise. The main ones are the following: – limited computing resources; the need to…
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Artikel Jurnal
MODELS FOR PREDICTING CHANGES IN PUBLIC OPINION DURING THE IMPLEMENTATION OF THE NARRATIVE IN SOCIAL MEDIA
Relevance. In the modern world, social media are becoming the main channels of communication, which significantly affects the formation of public opinion and the implementation of strategic narratives. In the context of global information challenges, in particular war, understanding and predicting…
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Artikel Jurnal
FUZZY IMAGE CLASSIFIER IN LARGE DYNAMIC DATABASES
In today's rapidly growing visual information environment, the task of efficient image search and classification in large dynamic databases, which are updated daily with tens of thousands of new objects, is becoming especially relevant. Such databases are characterized not only by their significant…
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THE SMALL AERIAL OBJECTS SEGMENTATION METHOD ON OPTICAL-ELECTRONIC IMAGES BASED ON THE SOBEL EDGE DETECTOR
The subject matter in the article is the stage of segmentation of small aerial objects on images obtained from an optical-electronic system. The goal is to develop a small aerial object segmentation method based on optical-electronic images based on the Sobel edge detector. The tasks are: analysis…
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Artikel Jurnal
EVALUATION OF THE AEROLOGICAL CONDITION DURING OPEN-PIT MINING OPERATIONS BASED ON THREE-DIMENSIONAL MODELS OF QUARRIES
The relevance lies in the need to improve the existing production system for monitoring and forecasting mining conditions and to increase industrial safety during blasting operations and intensive operation of mining equipment. In the context of production growth, which involves an increase in…
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Artikel Jurnal
ANALYSIS OF ANTENNA SYSTEM MODELING WITH THE HELP OF SIMULATION TECHNOLOGY OF NAVIGATION EQUIPMENTS
In this paper, a new coplanar waveguide CPW (Coplanar Waveguide) fed circular waveguide for ultra-wideband UWB (Ultra WideBand) applications using High-Frequency Structure Simulator (HFSS) and Computer Simulation Technology (CST) software is presented. A comparison of modeling and simulations of…
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Artikel Jurnal
STATIONARY STOCHASTIC INPUT FLOW MODELING OF BRANCHED CONVEYOR SYSTEMS
The object of research is stochastic stationary input material flow of a conveyor-type transport system. Subject of research is a method for generating realizations of a stationary stochastic input flow of material on the basis of experimental data. The goal of the research consists in the…
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Artikel Jurnal
DEVELOPMENT OF A COMPREHENSIVE INDICATOR FOR DIAGNOSING MASSIVE MISSILE STRIKES
Objective. Enhancing the efficiency of diagnosing the threat level of massive missile strikes by developing a comprehensive indicator. Methodology. The study examines the process of developing a comprehensive indicator based on a dataset of massive missile strikes. This involves preliminary data…
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Artikel Jurnal
COMPRESSION OF NOISY GRAYSCALE IMAGES WITH COMPRESSION RATIO ANALYSIS
The object of the study is the process of compressing noisy images in a lossy manner by better portable graphics (BPG) encoder. The subject of the study is the method for adaptive selection of the coder parameter Q depending on noise intensity and image complexity. The goal of the study is to…
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Artikel Jurnal
METHOD FOR CALCULATING THE SUFFICIENCY CRITERION OF DIAGNOSTIC INFORMATION FOR EXECUTING THE SELF-DIAGNOSIS ALGORITHM IN MULTI-MACHINE INFORMATION SYSTEMS
Subject, theme and main goal. When multi-machine system is working in autonomous mode, it’s critical to realize an algorithm of self-diagnosis of this system. There are many algorithms of self-diagnosis of multi-machine systems, and many of modern ones purpose a decoding of diagnostic information…
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Artikel Jurnal
THE METHOD OF ASSESSING THE RELIABILITY OF SOFTWARE SYSTEMS BASED ON A GRAPHIC MODEL OF THE DEPENDENCE OF METHODS OF THE SYSTEM UNDER TEST
Today, software has become an integral part of many areas of our daily life — from automation and optimization of production processes to the creation of individual comfort. Programs make our lives easier, solving tasks in seconds that used to take hours or even weeks, as well as giving us…