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Now showing items 71-80 of 84
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 ...
Time-frequency representation enhancement: approach based on image filtering methods
(ХАІ, 2016)
The task of filtering of the time-frequency representations, obtained by the S-method, using advanced digital image processing filters, both local and nonlocal is considered.
Prediction of compression ratio for ADCT coder
(ХАІ, 2016)
One way to predict compression ratio for efficient coder called ADCT is proposed. Prediction is based on determination
of a simple parameter before compression that can be easily calculated in 8x8 pixel blocks. Such ...
Distributed cloud system: security and keyword indexing issues with implementation strategy and business limitations
(ХАІ, 2016)
The article focuses on several technical and business issues that are essential for the development of distributed cloud system related to security, keyword indexing and business implementation.
Support for the decision to select the future profession with use of fuzzy relations
(ХАІ, 2018)
The article suggests one of the ways to solve the problem of vocational guidance for applicants in choosing a future profession through the use of artificial intelligence systems, namely, fuzzy relations.
Analysis of opportunities to improve image denoising efficiency for DCT-based filter
(ХАІ, 2018)
The subject matter of the paper is the process of image filtering. The goal is to provide high efficiency of denoising according to metrics that are more adequate to human vision system than traditional criteria as mean ...
Two-step providing of desired quality in lossy image compression by SPIHT
(ХАІ, 2020)
This paper considers the application of the two-step method in an encoder based on a discrete wavelet trans-form (DWT).
Exploring timeout as a performance and availability factor of distributed replicated database systems
(ХАІ, 2020)
In the paper, we consider the role of the application timeout which is the fundamental part of all distributed fault tolerance mechanisms working over the Internet and used as the main error detection mechanism here. The ...
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 ...