Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Andrey V Timofeev"'
Autor:
Andrey V. Timofeev
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 24, Iss 2, Pp 230-240 (2024)
A method for stabilizing structural anomaly detection under additive noise conditions as well as an algorithm for formal selection of the parameters of the solver rule in the structural anomaly detector based on the Robust Random Cut Forest (RRCF) m
Externí odkaz:
https://doaj.org/article/2215f8b473154068ae7877c1b783b77d
Autor:
Natalia S Pripuzova, Larissa V Gmyl, Lidiya Iu Romanova, Natalia V Tereshkina, Yulia V Rogova, Liubov L Terekhina, Liubov I Kozlovskaya, Mikhail F Vorovitch, Karina G Grishina, Andrey V Timofeev, Galina G Karganova
Publikováno v:
PLoS ONE, Vol 8, Iss 4, p e61094 (2013)
Tick-borne encephalitis virus (TBEV) is one of the most prevalent and medically important tick-borne arboviruses in Eurasia. There are overlapping foci of two flaviviruses: TBEV and Omsk hemorrhagic fever virus (OHFV) in Russia. Inactivated vaccines
Externí odkaz:
https://doaj.org/article/2b068bd4d5da4fcdbb0e924fd1a46c41
Autor:
Andrey V. Timofeev
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 23, Iss 5, Pp 1030-1040 (2023)
A new method of guaranteed solution for multiclass classification problem of stochastic objects is proposed. Within the framework of the proposed approach, the classification result is a finite set of class indices which with a predetermined confid
Externí odkaz:
https://doaj.org/article/8bc7256bf5334b99bdea64beb5789ccb
Autor:
Andrey V. Timofeev, Denis I. Groznov
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 22, Iss 5, Pp 962-969 (2022)
A practically effective solution to the problem of automated processing of ice reconnaissance data in high latitudes is proposed. The intermediate result of ice reconnaissance is huge aerial survey data set consisting of images of low quality; this i
Externí odkaz:
https://doaj.org/article/d985ccaf2a68480fb5d15d4a451fb227
Autor:
Andrey V. Timofeev, Denis I. Groznov
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 22, Iss 3, Pp 610-622 (2022)
The article proposes a new method of monitoring the infiltration processes developing inside the body of hydraulic structures. The method is based on the use of DAS (distributed acoustic sensing) fiber-optic technology which provides high spatial con
Externí odkaz:
https://doaj.org/article/8f75442cd36941a49bac724e8485dfea
Autor:
Ilya O. Bokatyi, Victor M. Denisov, Andrey V. Timofeev, Alexander B. Titov, Joel J.P.C. Rodrigues, Valery V. Korotaev
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 21, Iss 5, Pp 633-645 (2021)
The article examines the principles of developing wireless networks of autonomous gamma sensors in order to create systems for spatial environmental radiation monitoring. The main task of such systems is to control the level of gamma radiation in are
Externí odkaz:
https://doaj.org/article/fae4df750e694b548a60ea8492d7673e
Autor:
Andrey V. Timofeev
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 21, Iss 2, Pp 206-224 (2021)
The paper proposes a novel and practically effective method for detecting, classifying, and estimating the coordinates of the image center of a small-size target object on a noisy scene, which is invariant to linear conformal transformations (rotatio
Externí odkaz:
https://doaj.org/article/403d870c42144a3283273510ae8a5a99
Autor:
Aapo Varpula, Kestutis Grigoras, Kirsi Tappura, Andrey V. Timofeev, Andrey Shchepetov, Juha Hassel, Jouni Ahopelto, Mika Prunnila
Publikováno v:
Proceedings, Vol 2, Iss 13, p 894 (2018)
The state-of-the-art infrared (IR) detection uses quantum photodetectors and bolometers. Quantum IR photodetectors are expensive and require cooling, and exotic and toxic materials. Whereas, bolometers are cost-efficient and uncooled, but they are mu
Externí odkaz:
https://doaj.org/article/98286b2a8b68460b97d640aa161ece60
Autor:
Andrey V. Timofeev
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 20, Iss 5, Pp 667-676 (2020)
Subject of Research. The paper presents a simple and practically effective solution for hyperparameter tuning in classification problem by machine learning methods. The proposed method is applicable for any hyperparameters of the real type with the v
Autor:
Andrey V. Timofeev, Victor M. Denisov
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 19, Iss 6, Pp 1094-1105 (2019)
Subject of Research. The paper proposes a novel organization technique for preventive maintenance systems (including condition-based and predictive maintenance systems) based on the use of modern machine learning methods. The systems are operating us