Averaging over matrices in solving discrete ill-posed problems on the basis of random projection

EG Revunova - 2017 12th International Scientific and Technical …, 2017 - ieeexplore.ieee.org
Averaging over matrices in solving discrete ill-posed problems on the basis of random projection
Page 1 CSIT 2017, 05 – 08 September, 2017, Lviv, Ukraine 473 Averaging over matrices in …

Solution of the discrete ill-posed problem on the basis of singular value decomposition and random projection

EG Revunova - Advances in Intelligent Systems and Computing II …, 2018 - Springer
A brief overview of our work on the solution of DIP is presented. The stable solution of DIP
we obtained, by truncated singular value decomposition and by random projection methods …

Increasing the accuracy of solving discrete ill-posed problems by the random projection method

EG Revunova - Cybernetics and Systems Analysis, 2018 - Springer
To solve discrete ill-posed problems by the random projection method, the error bias and
variance that arise from averaging over the random matrix realizations are studied. An …

Index structures for fast similarity search for symbol strings

DA Rachkovskij - Cybernetics and Systems Analysis, 2019 - Springer
This article surveys index structures for fast similarity search for objects represented by
symbol strings. Index structures both for exact and approximate searches by edit distance …

Fast similarity search for graphs by edit distance

DA Rachkovskij - cybernetics and systems analysis, 2019 - Springer
This survey article considers index structures for fast similarity search for objects
represented by trees and graphs. Edit distance is used as a measure of similarity. The …

A linear system output transformation for sparse approximation

OV Tyshchuk, OO Desiateryk, OE Volkov… - … and Systems Analysis, 2022 - Springer
We propose an approach that provides a stable transformation of the output of a linear
system into the output of a system with the desired basis. The matrix of basis functions of the …

Random projection and truncated SVD for estimating direction of arrival in antenna array

EG Revunova, DA Rachkovskij - … и вычислительная техника, 2018 - dspace.nbuv.gov.ua
Èíôîðìàòèêà è èíôîðìàöèîííûå òåõíîëîãèè Page 1 ISSN 2519-2205 (Online), ISSN 0454-9910
(Print). Киб. и выч. техн. 2018. № 3 (193) Èíôîðìàòèêà è èíôîðìàöèîííûå òåõíîëîãèè DOI: https://doi.org/10.15407/kvt192.03.005 …

Быстрый поиск сходных графов по расстоянию редактирования

ДА Рачковский - Кибернетика и системный анализ, 2019 - dspace.nbuv.gov.ua
Дан обзор индексных структур для быстрого поиска по сходству объектов,
представленных деревьями и графами. В качестве меры сходства использовано …

Дослідження точності розв'язання дискретних некоректних задач методом випадкових проекцій

ОГ Ревунова - Управляющие системы и машины, 2018 - dspace.nbuv.gov.ua
Для розв'язання дискретних некоректних задач на основі аналітичного усереднення
випадкового проектування розроблено метод визначення оптимальної розмірності …

Roku Inc., Kyiv, Ukraine

OV Tyshchuk, OO Desiateryk, OE Volkov… - kibernetika.org
We propose an approach that provides a stable transformation of the output of a linear
system into the output of a system with a desired basis. The matrix of basis functions of a …