Zobrazeno 1 - 10
of 93
pro vyhledávání: '"Igor P. Gurov"'
Autor:
Igor P. Gurov, Ekaterina V. Zhukova
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 19, Iss 5, Pp 947-950 (2019)
The paper presents the study of surface layer structure of two nacre samples, plates of which served as mosaic elements in a subject of decorative art, by spectral optical coherent microscopy method at the wavelength range 1305 ± 75 nm with 10 μm s
Externí odkaz:
https://doaj.org/article/318bcfd3b2a841ac92313d65d12b84d1
Autor:
Igor P. Gurov, Alexey Yu. Pimenov
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 18, Iss 3, Pp 369-376 (2018)
Subject of Research.The paper considers the methods of optical coherence tomography (OCT) based on illuminating a sample by optical radiation with subsequent determination of light reflection degree through a sample depth. Illumination method defines
Externí odkaz:
https://doaj.org/article/dfe461324f0445e897c323724215204c
Autor:
Mikhail V. Volkov, Nikita B. Margaryants, Andrey V. Potemkin, Maxim A. Volynsky, Igor P. Gurov, Oleg V. Mamontov, Alexei A. Kamshilin
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
Abstract Photoplethysmography (PPG) devices are widely used in clinical practice but the origin of PPG signal is still under debating. The classical theory assumes that the PPG waveform stems from variations of blood volume in pulsating arteries. In
Externí odkaz:
https://doaj.org/article/2ec4d7b46d0a446595dd93671d02a674
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 14, Iss 6, Pp 35-40 (2014)
The paper deals with the basic principles of signals representation in optical coherence tomography with the usage of dynamic systems theory formalism. Computational complexity of algorithms for dynamic estimation of signals parameters is analyzed,
Externí odkaz:
https://doaj.org/article/f15a6ceabd3943e886274fa4b4bbab62
Autor:
Igor P. Gurov, Ekaterina Zhukova
Publikováno v:
Optics for Arts, Architecture, and Archaeology VIII.
The results of research of porcelain art objects with overglaze and underglaze painting as well as colored glass objects are considered. The investigations were carried out by means of optical coherence microscopy method. Examples of diagnosis of por
Publikováno v:
Saratov Fall Meeting 2020: Optical and Nanotechnologies for Biology and Medicine.
The adaptive Wiener filtering method is considered with application to dynamic estimation of low-coherence interference fringe parameters. Feasibility to determine envelope of low-coherence interferometric signal as well as to assess local phase step
Publikováno v:
Optics and Lasers in Engineering. 104:244-251
The video capillaroscopy system with high image recording rate to resolve moving red blood cells with velocity up to 5 mm/s into a capillary is considered. Proposed procedures of the recorded video sequence processing allow evaluating spatial capilla
Publikováno v:
Applied Optics. 60:6799
Application of the Wiener adaptive filtering method for estimation of interferometric signal parameters is presented and analyzed. It is shown that the fringe phase, as well as the envelope of low-coherence interference fringes, can be evaluated dire
Autor:
Igor P. Gurov, S. V. Sirro, Nikita B. Margaryants, Ekaterina Zhukova, Maxim A. Volynsky, E. S. Gladkova, P. S. Skakov
Publikováno v:
Journal of Optical Technology. 88:435
Peculiarities of using optical coherence tomography for examining the condition of valuable paintings are considered. A full-field optoelectronic system for determination of the internal microstructure of inhomogeneous media with high resolution and
Autor:
Nikita B. Margaryants, Viktor Dremin, Evgeny Zherebtsov, Igor O. Kozlov, Andrey V. Dunaev, Igor P. Gurov, Andrey Potemkin, Mikhail V. Volkov
The dynamic light scattering methods are widely used in biomedical diagnostics involving evaluation of blood flow. However, there exist some difficulties in quantitative interpretation of backscattered light signals from the viewpoint of diagnostic i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60dc4be1d80067dc361a918c933c6ba6
http://urn.fi/urn:nbn:fi-fe2019081324015
http://urn.fi/urn:nbn:fi-fe2019081324015