Faculty of Civil and Geodetic Engineering, Ljubljana (FGGLJ)
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Zaznavanje premikajočih se tovornih vozil na satelitskih posnetkih Sentinel-2 : magistrsko delo št.: 161/II. GIG = Detecting moving trucks using Sentinel-2 data : master thesis no.: 161/II. GIGZorinić, PolonaHenrik Fisser je v okviru natečaja COVID-19 Custom Skript Contest, ki je zbiral ideje, kako podatki opazovanja Zemlje lahko pomagajo ublažiti učinke pandemije COVID-19, razvil metodo zaznavanja ... tovornjakov na satelitskih posnetkih Sentinel-2. V magistrskem delu smo za zaznavanje tovornih vozil uporabili Fisserjevo metodo, ki temelji na razmerjih med spektralnimi kanali in izkorišča časovni zamik zaznavanja multispektralnega instrumenta. Premikajoči se tovornjaki na satelitskih posnetkih 10-metrske prostorske ločljivosti ustvarijo mavrično odbojno sled. Pri zaznavanju smo se osredotočili na modri in rdeči del mavrične sledi, ki predstavljata začetek in konec tovornjaka. Zaznali smo jih na podlagi aritmetičnih operacij rastrskih slojev spektralnih kanalov Sentinel-2 in z določanjem absolutnih pragov posameznih rezultatov. Zaznane rdeče in modre dele mavričnih sledi smo v pare povezali z lastnim algoritmom in algoritmom na osnovi fazne navzkrižne korelacije. Vsakemu zaznanemu tovornjaku smo na podlagi parametrov senzorja in prostorskega vrstnega reda pikslov izračunali njegovo približno hitrost. Izračunali smo tudi povprečno hitrost zaznanih tovornjakov na odseku avtoceste. Rezultate smo analizirali s pomočjo spletnih aplikacij Poligram in Wialon, ki se uporabljata za sledenje tovornjakov. Izračunane hitrosti so skladne z referenčnimi hitrostmi tovornjakov, ki so se v trenutku nastanka satelitskih posnetkov nad določenim območjem dejansko premikali.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [P. Zorinić], 2023Language - slovenianCOBISS.SI-ID - 146609667
Author
Zorinić, Polona
Other authors
Oštir, Krištof
Topics
geodezija |
magistrska dela |
GIG |
Sentinel-2 |
zaznavanje tovornjakov |
spektralni kanali |
fazna navzkrižna korelacija |
geodesy |
master thesis |
Sentinel-2 |
truck detection |
spectral bands |
phase-cross corelation
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Centralna knjižnica na Jamovi Č 043.3 ZORINIĆ P. Zaznavanje IN: 420230008 Centralna knjižnica na Jamovi Č 043.3 ZORINIĆ P. Zaznavanje IN: 420230008 |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Zorinić, Polona | |
Oštir, Krištof | 15112 |
Source: Personal bibliographies
and: SICRIS
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