Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Michal Kollár"'
Publikováno v:
Contributions to Geophysics and Geodesy, Vol 53, Iss 4, Pp 333-351 (2023)
The paper presents pre-processing and nonlinear filtering of the GOCE gravity gradients (GGs) in spatial domain. At first, a multiple fully automatic 1D along-track pre-processing of the GOCE GGs in the gradiometer reference frame (GRF) is introduced
Externí odkaz:
https://doaj.org/article/83cf131ea7364782812d0fcd90c6b84f
Autor:
Lucia Čahojová, Martin Ambroz, Ivan Jarolímek, Michal Kollár, Karol Mikula, Jozef Šibík, Mária Šibíková
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-14 (2022)
Abstract Natura 2000 is a network of protected areas covering Europe's most valuable and threatened species and habitats. Recently, biota belonging to these networks have been threatened by both climate change and various human impacts. Regular monit
Externí odkaz:
https://doaj.org/article/14db1f91a14c440e87e6e0e8dceba42d
Autor:
Karol Mikula, Mária Šibíková, Martin Ambroz, Michal Kollár, Aneta A. Ožvat, Jozef Urbán, Ivan Jarolímek, Jozef Šibík
Publikováno v:
Remote Sensing, Vol 13, Iss 17, p 3381 (2021)
The NaturaSat software integrates various image processing techniques together with vegetation data, into one multipurpose tool that is designed for performing facilities for all requirements of habitat exploration, all in one place. It provides dire
Externí odkaz:
https://doaj.org/article/6db2a4bfab1c4076ab17cd5c2e15d2c8
Autor:
Karol Mikula, Michal Kollár, Aneta A. Ožvat, Martin Ambroz, Lucia Čahojová, Ivan Jarolímek, Jozef Šibík, Mária Šibíková
Publikováno v:
Applied Mathematical Modelling. 116:209-235
Natural numerical networks are introduced as a new classification algorithm based on the numerical solution of nonlinear partial differential equations of forward-backward diffusion type on complete graphs. The proposed natural numerical network is a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1b9064e3a692c1db250589cc3941f84
https://doi.org/10.1016/j.apm.2022.11.021
https://doi.org/10.1016/j.apm.2022.11.021
Autor:
Aneta Alexandra Ozvat, Karol Mikula, Michal Kollár, Martin Ambroz, Mária Šibíková, Jozef Šibík, Lucia Čahojová
We present the methods designed for the NaturaSat software devoted to the identification, classification, monitoring, and evaluation of Natura 2000 habitats by Sentinel-2 multispectral data. The NaturaSat software contains various image processing te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63980f06d1ed4afbf74984ff03eeb7dc
https://doi.org/10.5194/egusphere-egu23-14203
https://doi.org/10.5194/egusphere-egu23-14203
Publikováno v:
Lecture Notes in Computer Science ISBN: 9783031319747
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf36269a17ffa062654fb28efc4baac5
https://doi.org/10.1007/978-3-031-31975-4_26
https://doi.org/10.1007/978-3-031-31975-4_26
Autor:
Lucia Čahojová, Martin Ambroz, Ivan Jarolímek, Michal Kollár, Karol Mikula, Jozef Šibík, Mária Šibíková
Natura 2000 is a network of protected areas covering Europe's most valuable and threatened species and habitats. Recently, biota belonging to these networks have been threatened by both climate change and various human impacts. Regular monitoring is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::40599a23acf9d091645fc08d07d3fa23
https://doi.org/10.21203/rs.3.rs-1952220/v2
https://doi.org/10.21203/rs.3.rs-1952220/v2
Autor:
Karol Mikula, Jozef Šibík, Jozef Urbán, Michal Kollár, Ivan Jarolímek, Mária Šibíková, Martin Ambroz
Publikováno v:
Discrete & Continuous Dynamical Systems - S. 14:1017-1032
In this paper, we present a mathematical model and numerical method designed for the segmentation of satellite images, namely to obtain in an automated way borders of Natura 2000 habitats from Sentinel-2 optical data. The segmentation model is based
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1702833d0623a830f634956ddcaf7e55
https://doi.org/10.3934/dcdss.2020348
https://doi.org/10.3934/dcdss.2020348
Autor:
Jozef Šibík, Mária Šibíková, Karol Mikula, Ivan Jarolímek, Jozef Urbán, Martin Ambroz, Michal Kollár
Publikováno v:
Discrete & Continuous Dynamical Systems - S. 14:1033-1046
In this paper we introduce mathematical model and real-time numerical method for segmentation of Natura 2000 habitats in satellite images by evolving open planar curves. These curves in the Lagrangian formulation are driven by a suitable velocity vec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::072080065131c6c7b1f815bd669dedcd
https://doi.org/10.3934/dcdss.2020231
https://doi.org/10.3934/dcdss.2020231
We present nonlinear diffusion filtering of the GOCE-based satellite-only mean dynamic topography (MDT) based on the geodesic mean curvature flow (GMCF). GMCF represents a curvature-driven diffusion filtering, where the processed data are considered
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c3264da73e59d581bd25633caf682ff
https://doi.org/10.5194/egusphere-egu22-2553
https://doi.org/10.5194/egusphere-egu22-2553