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pro vyhledávání: '"Stoykova, Elena"'
In this work, we propose to leverage a deep-learning (DL) based reconstruction framework for high quality Swept-Source Optical Coherence Tomography (SS-OCT) images, by incorporating wavelength ({\lambda}) space interferometric fringes. Generally, the
Externí odkaz:
http://arxiv.org/abs/2410.04123
In Optical Coherence Tomography (OCT), speckle noise significantly hampers image quality, affecting diagnostic accuracy. Current methods, including traditional filtering and deep learning techniques, have limitations in noise reduction and detail pre
Externí odkaz:
http://arxiv.org/abs/2402.12735
Autor:
Stoykova, Elena, Nedelchev, Lian, Blagoeva, Blaga, Ivanov, Branimir, Levchenko, Mikhail, Berberova-Buhova, Nataliya, Nazarova, Dimana
We study efficiency of intensity-based dynamic speckle method for characterization of dynamic events which occur at variable rate in time within the temporal averaging interval. We checked ability of the method to describe the speed evolution by i) n
Externí odkaz:
http://arxiv.org/abs/2308.15111
Autor:
Levchenko, Mikhail, Stoykova, Elena, Ivanov, Branimir, Nedelchev, Lian, Nazarova, Dimana, Choi, Kihong, Park, Joongki
Dynamic speckle method is an effective tool for estimation of speed of processes. Speed distribution is encoded in a map built by statistical pointwise processing of time-correlated speckle patterns. For industrial inspection,the outdoor noisy measur
Externí odkaz:
http://arxiv.org/abs/2308.14561
Publikováno v:
Journal of International Scientific Publications 2022
Watershed segmentation method has been used in various applications. But many a times, due to its over-segmentation attributes, it underperforms in several tasks where noise is a dominant source. In this study, Optical Coherence Tomography images hav
Externí odkaz:
http://arxiv.org/abs/2303.16609
Autor:
Stoykova, Elena, Blagoeva, Blaga, Berberova-Buhova, Natalya, Levchenko, Mikhail, Nazarova, Dimana, Nedelchev, Lian, Park, Joongki
Publikováno v:
Applied Optics, 61(5), B287-B296 (2022)
Statistical processing of speckle data enables observation of speed of processes. In intensity-based pointwise dynamic speckle analysis, a map related to speed's spatial distribution is extracted from a sequence of speckle patterns formed on an objec
Externí odkaz:
http://arxiv.org/abs/2303.07355
Human veins are important for carrying the blood from the body-parts to the heart. The improper functioning of the human veins may arise from several venous diseases. Varicose vein is one such disease wherein back flow of blood can occur, often resul
Externí odkaz:
http://arxiv.org/abs/2302.14808
Autor:
Mateev, Georgi, Dimov, Deyan, Nazarova, Dimana, Stoykova, Elena, Hong, Keehoon, Nedelchev, Lian
Publikováno v:
EPJ Web of Conferences; 10/15/2024, Vol. 305, p1-4, 4p
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