Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Bogdan-Andrei MIHAI"'
Publikováno v:
European Journal of Remote Sensing, Vol 57, Iss 1 (2024)
The current study assesses the performance of several machine learning (ML) and deep learning (DL) models for detecting and mapping floods using Sentinel-1 SAR imagery. Three distinct approaches were used: pixel classification, object-based image ana
Externí odkaz:
https://doaj.org/article/0af8f49c28bb44789498fcf00277d7a5
Autor:
Marian Puie, Bogdan-Andrei Mihai
Publikováno v:
Applied Sciences, Vol 14, Iss 22, p 10270 (2024)
This study examines the impact of rockfalls and floods on road and rail traffic in the Jiului Gorge, Romania, a critical transportation corridor. Using Sentinel-1 radar imagery processed through ESA SNAP and ArcGIS Pro, alongside traffic detection fa
Externí odkaz:
https://doaj.org/article/e592d9fe70f042edb51bf92ea405637e
Publikováno v:
Cinq Continents, Vol 12, Iss 26 (2022)
The geographical boundary or limit outlines the spatial expansion of a specific feature, being a scale dependent notion. In geography, there are different types of boundaries, such as natural and artificial, physical and political, clearly-positioned
Externí odkaz:
https://doaj.org/article/686f9b15deaa4312ad687877cd73c7f3
Autor:
Constantin Nistor, Ionuț Săvulescu, Bogdan-Andrei Mihai, Liliana Zaharia, Marina Vîrghileanu, Sorin Carablaisă
Publikováno v:
Acta Geographica Slovenica, Vol 61, Iss 1, Pp 41–55-41–55 (2021)
Dam construction is one of the major human pressures impacting fluvial processes, including topography and hydro-sedimentary flows, as a result of the change in flow regime from fluvial to fluvial-lacustrine. This article investigates geomorphic chan
Externí odkaz:
https://doaj.org/article/56fea006d3e04d0682b6a6b11c92c0ed
Autor:
Bogdan Olariu, Marina Vîrghileanu, Bogdan-Andrei Mihai, Ionuț Săvulescu, Liviu Toma, Maria-Gianina Săvulescu
Publikováno v:
Remote Sensing, Vol 14, Iss 11, p 2593 (2022)
Forest habitat fragmentation is one of the global environmental issues of concern as a result of forest management practices and socioeconomic drivers. In this context, a constant evaluation of natural habitat conditions still remains a challenge in
Externí odkaz:
https://doaj.org/article/5885832f83b24ba2bcc6a47e8e245093
Autor:
Constantin Nistor, Marina Vîrghileanu, Irina Cârlan, Bogdan-Andrei Mihai, Liviu Toma, Bogdan Olariu
Publikováno v:
Remote Sensing, Vol 13, Iss 12, p 2323 (2021)
The paper investigates the urban landscape changes for the last 50 years in Bucharest, the capital city of Romania. Bucharest shows a complex structural transformation driven by the socialist urban policy, followed by an intensive real-estate market
Externí odkaz:
https://doaj.org/article/fcb15fee69cf4b8dbc204a47eb3f3953
Autor:
Constantin Nistor, Bogdan-Andrei Mihai, Liviu Toma, Bogdan Olariu, Marina-Ramona Rujoiu-Mare (Vîrghileanu)
Publikováno v:
Journal of Maps, Vol 13, Iss 1, Pp 101-106 (2017)
Mapping of urban landscape change in detail scale is a difficult task when analysis is focused on a longer period with little data available. This is also the case of Romanian resort towns, where the latest development replaces former urban structure
Externí odkaz:
https://doaj.org/article/65e670c453d64adaaeadf0e89cd92a23
Autor:
Marina-Ramona Rujoiu-Mare, Bogdan Olariu, Bogdan-Andrei Mihai, Constantin Nistor, Ionuț Săvulescu
Publikováno v:
European Journal of Remote Sensing, Vol 50, Iss 1, Pp 496-508 (2017)
In this article, we processed Sentinel-2 images in order to obtain high accuracy land cover maps for two complementary study areas. The first is represented by the Romanian Subcarpathians, a hilly highly fragmented area with heterogeneous land cover
Externí odkaz:
https://doaj.org/article/7932185aa26a4cd582d44bf73110d671
Publikováno v:
Remote Sensing, Vol 12, Iss 21, p 3575 (2020)
Nitrogen dioxide (NO2) is one of the main air quality pollutants of concern in many urban and industrial areas worldwide, and particularly in the European region, where in 2017 almost 20 countries exceeded the NO2 annual limit values imposed by the E
Externí odkaz:
https://doaj.org/article/5e680f94cd414bb3a142e172566d82c6
Autor:
Ilinca-Valentina Stoica, Marina Vîrghileanu, Daniela Zamfir, Bogdan-Andrei Mihai, Ionuț Săvulescu
Publikováno v:
Remote Sensing, Vol 12, Iss 13, p 2137 (2020)
Monitoring uncontained built-up area expansion remains a complex challenge for the development and implementation of a sustainable planning system. In this regard, proper planning requires accurate monitoring tools and up-to-date information on rapid
Externí odkaz:
https://doaj.org/article/b2ad24f487d845a1a99db27540f0b347