Now showing items 341-360 of 1142
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Method of QOS evaluation of FPGA as a service
(ХАІ, 2022)The subject of study in this article is the evaluation of the performance issues of cloud services implemented using FPGA technology. The goal is to improve the performance of cloud services built on top of multiple FPGA ... -
On strange images with application to lossy image compression
(ХАІ, 2022)The task of the article is to provide a definition of strange images and check whether the non-monotonicity of the dependences of the distortions on the compression level holds for different encoders and metrics. Another ... -
Theoretical and experimental study of performance anomaly in multi-rate IEEE802.11ac wireless networks
(ХАІ, 2022)The paper comprehensively investigates the performance anomaly occurring in wireless networks with subscribers at different data rates using three approaches: experimental measurement, analytical study, and simulation ... -
On classifier learning methodologies with application to compressed remote sensing images
(ХАІ, 2022)Remote sensing images have found numerous applications nowadays. A traditional outcome or intermediate result of their processing is a classification map. Such maps are usually obtained from a pre-trained classifier and ... -
Information-extreme machine learning of a cyber attack detection system
(ХАІ, 2022)This study increases the functional efficiency of machine learning of a cyber attack detection system. An information-extreme machine learning method for a cyber attack detection system with the optimization of control ... -
Neural network based image classifier resilient to destructive perturbation influences – architecture and training method
(ХАІ, 2022)The current article develops a model and method of training a classifier that exhibits characteristics of resilience to adversarial attacks, fault injection, and concept drift. The proposed model has a hierarchical structure ... -
Базова модель нефункційних характеристик для оцінки якості штучного інтелекту
(ХАІ, 2022)Предметом дослідження є моделі якості штучного інтелекту (ШІ). Метою статті є розроблення моделі якості ШІ на основі визначення та упорядкування його характеристик. -
Artificial intelligence as the cognitive value of heuristic models
(ХАІ, 2022)This article is devoted to heuristic modeling of the structure of interconnections in nano-, bio- and information technologies and in cyber-physical systems, graphic images of which allow studying the fine structure of ... -
Adaptive two-step method for providing the desired visual quality for SPIHT
(ХАІ, 2022)is employed to evaluate the image quality. The research method is based on a validation ex periment that is conducted for an image set covering different image complexity and texture features. The comparison results ... -
Statistical synthesis of aerospace radars structure with optimal spatio-temporal signal processing, extended observation area and high spatial resolution
(ХАІ, 2022)Objective is to develop the theory and fundamentals of the technical implementation of airborne radar systems for the formation of high-precision radar images in an extended field of view from aerospace carriers. -
Heuristic self-organization of knowledge representation and development: analysis in the context of explainable artificial intelligence
(ХАІ, 2022)The three hypotheses about the explainability of artificial intelligence and the theory of machine identification can be further defined as statements or theorems and strictly proved. -
Synthesis of the optimal algorithm and structure of contactless optical device for estimating the parameters of statistically uneven surfaces
(ХАІ, 2021)This work synthesizes the optimal algorithm and structure for analyzing the parameters of statistically-temporal surfaces based on spatio-temporal processing of optical speckle interference signals and images using modern ... -
Mathematical description of imaging processes in ultra-wideband active aperture synthesis systems using stochastic sounding signals
(ХАІ, 2021)Mathematical models of the fields of stochastic ultra-wideband signals that are necessary for solving problems of aperture synthesis of images using active radar methods are presented. The expediency of using V-transformations ... -
Performance evaluation of various deployment scenarios of the 3-replicated cassandra NoSQL cluster on AWS
(ХАІ, 2021)A concept of distributed replicated NoSQL data storages Cassandra-like, HBase, MongoDB has been proposed to effectively manage Big Data set whose volume, velocity and variability are difficult to deal with by using the ... -
Methods and technologies for ensuring cybersecurity of industrial and web-oriented systems and networks
(ХАІ, 2021)The subject matter of the article is methods and technologies of ensuring the cybersecurity of industrial and web-oriented systems and networks, training of cybersecurity specialists during the acquisition of professional ... -
Transdisciplinary convergent approach – human factor
(ХАІ, 2021)The article is devoted to the systemic problems of the study of the human factor, which are associated with the cognitive aspects of human-computer interaction. -
Вплив енерговтрат імплантата з бездротовим живленням на тепловий стан організму
(ХАІ, 2021)Предмет дослідження – процеси теплообміну між імплантатом і структурами організму та їх енергетичні і температурні показники. Об’єктом дослідження обрано імплантат по типу апарат «Штучне серце» (АШС) з максимальною потужністю ... -
Eddy current tomography for visualization of cracks in aircraft riveted joints
(ХАІ, 2021)The control of the subsurface areas of metal products is necessary in many technological processes. So, for example, in aerospace technology it is essential to determine the presence of defects in aircraft engines. The ... -
Radar imaging complex with SAR and ASR for aerospace vechicle
(ХАІ, 2021)The subject of study in the article is the algorithms for radio monitoring of the Earth in a wide field of view from aerospace transport. The goal is to design a structural diagram of a radio complex that can operate ... -
Technologies for building systems of remote lining of communication lines: a practical example of implementation
(ХАІ, 2021)The subject matter of study in this article is ways to build systems for remote laying of communication lines and solve the problem of their implementation. The goal is to simplify the process of developing robotic systems ...