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Ocena okroglega lesa na kamionskih cestah s pomočjo digitalne fotogrametrije : magistrsko delo : magistrski študij - 2. stopnja = Estimating roadside roundwood with digital photogrammetry : M. Sc. Thesis : Master Study ProgrammesLotrič, Katja, gozdarkaMagistrsko delo je bilo zastavljeno na podlagi možnosti uporabe fotogrametrije za izračun volumna okroglega lesa. Podatki so bili pridobljeni iz terenskih posnetkov skladovnic, ki so bile označene s ... štirimi kontrolnimi točkami. Skupno je bilo posnetih 37 skladovnic, ki so se delile v tri razširjene debelinske razrede. Sortimente v skladovnicah smo predhodno ročno izmerili ter označili z zaporednimi številkami. Dolžina posameznega sortimenta je bila 8,25 m. Volumen smo izračunali po Newtonovem obrazcu. Zajete posnetke smo obdelali z računalniškimi programi Pix4D, CloudCompare, ArcMap in Microsoft Excel. S prvim programom smo naredili oblak točk iz zajetih posnetkov. S poznavanjem natančne razdalje med kontrolnimi točkami smo oblak točk raztegnili v metrični sistem. S preostalimi programi smo izračunali volumen oblaka točk, ki je predstavljal skladovnice. Ugotovili smo, da sta dejanski volumen lesa v skladovnici in volumen rastrskega modela skladavnice v odvisnosti, ki jo najbolje opiše potenčna funkcija. Ugotovili smo, da napovedan volumen od dejanskega odstopa od -2,5 m3 do 1,5 m3. Povprečna napaka našega modela znaša 5,7 % (RMSE).Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [K. Lotrič], 2019Language - slovenianCOBISS.SI-ID - 5322918
Author
Lotrič, Katja, gozdarka
Other authors
Kobal, Milan
Topics
fotogrametrija |
oblak točk |
volumen |
skladovnica |
ločljivost |
photogrammetry |
point cloud |
volume |
stacked |
resolution
Library/institution |
City | Acronym | For loan | Other holdings |
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Slovenian Forestry Institute, Forestry Library, Ljubljana | Ljubljana | GIS |
outside loan 1 cop.
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Year | Impact factor | Edition | Category | Classification | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
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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Lotrič, Katja, gozdarka | |
Kobal, Milan | 27605 |
Source: Personal bibliographies
and: SICRIS
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