Sekundarni jezik: |
Angleški jezik |
Sekundarni naslov: |
Positional precision analysis of the national orthophoto in different periods of its production |
Sekundarni povzetek: |
This thesis presents the analysis of the positional precision of the national orthophoto in different periods of its production. The goal of the paper is to confirm or deny the hypothesis that the precision of the orthophoto increases with each new generation. The theoretical part
of the thesis describes the orthophoto, covers its history and the process of production. In the context of the process of the production, we also describe the use of the digital terrain model and present basic information on the Global Navigation Satellite System. Following that is a
description of both Slovene horizontal coordinate systems, the older D48/GK, and the current D96/TM, and their division into sheets on the scale of 1:5000. The next section describes the methodology of the selection and measurements of control points. We then define the method of calculating deviations between coordinates measured in the field and coordinates measured on the orthophoto, add the list of input data and describe the equipement and
software used. The practical section of the paper describes the process of the selection of ortophoto sheets, chosen for the control of the hypothesis and the selection of control points on the selected ortophoto sheets. We present the results of the field measurements and control points koordinates. Next, we analyze the aquired results and calculate the average deviation and the root mean square error. The conclusion summarizes our findings, which
confirm the hypothesis of this paper. |
Sekundarne ključne besede: |
graduation thesis;geodesy;orthophoto;generations;positional precision;analysis;quality;measurements; |
Vrsta datoteke: |
application/pdf |
Vrsta dela (COBISS): |
Diplomsko delo |
Komentar na gradivo: |
Univ. v Ljubljani, Fak. za gradbeništvo in geodezijo |
Strani: |
XIII, 90 str., 2 pril. |
Vrsta dela (ePrints): |
thesis |
Naslov (ePrints): |
Analiza položajne točnosti državnega ortofota glede na časovno obdobje njegove izdelave |
Ključne besede (ePrints): |
Ortofoto;časovne serije;položajna točnost;analiza;kakovost;terenske meritve |
Ključne besede (ePrints, sekundarni jezik): |
Orthophoto;generations;positional precision;analysis;quality;measurements |
Povzetek (ePrints): |
V diplomski nalogi je predstavljena analiza položajne točnosti državnega ortofota glede na časovno obdobje njegove izdelave. V nalogi smo preverjali hipotezo, da se položajna točnost ortofota skozi njegove posamezne časovne serije izboljšuje. V teoretičnem delu smo opisali kaj ortofoto je, predstavili zgodovino in postopek njegove izdelave. V kontekstu postopka izdelave ortofota smo opisali uporabo digitalnega modela reliefa in osnove globalnih navigacijskih satelitskih sistemov. Prav tako sta opisana oba slovenska horizontalna koordinatna sistema, tako stari D48/GK kot novi D96/TM, ter razdelitev na liste
merila 1:5000. Teoretičnemu delu sledi opis metodologije določevanja kontrolnih točk ter meritev le-teh. Definiran je način izračuna odstopanj med terensko izmerjenimi koordinatami in z ortofota izmerjenimi koordinatami, našteti so vhodni podatki in uporabljena strojna ter
programska oprema. V praktičnem delu je predstavljen celoten postopek od izbire listov ortofota za kontrolo, izbire točk na izbranih listih, kot tudi terenskih meritev ter meritev koordinat kontrolnih točk na časovnih serijah izbranih listov ortofota. Sledi analiza dobljenih rezultatov ter izračun povprečnih odstopanj ter korena srednje kvadratne napake. V zaključku so strnjene ugotovitve, s katerimi smo potrdili osnovno hipotezo diplomske naloge. |
Povzetek (ePrints, sekundarni jezik): |
This thesis presents the analysis of the positional precision of the national orthophoto in different periods of its production. The goal of the paper is to confirm or deny the hypothesis that the precision of the orthophoto increases with each new generation. The theoretical part
of the thesis describes the orthophoto, covers its history and the process of production. In the context of the process of the production, we also describe the use of the digital terrain model and present basic information on the Global Navigation Satellite System. Following that is a
description of both Slovene horizontal coordinate systems, the older D48/GK, and the current D96/TM, and their division into sheets on the scale of 1:5000. The next section describes the methodology of the selection and measurements of control points. We then define the method of calculating deviations between coordinates measured in the field and coordinates measured on the orthophoto, add the list of input data and describe the equipement and
software used. The practical section of the paper describes the process of the selection of ortophoto sheets, chosen for the control of the hypothesis and the selection of control points on the selected ortophoto sheets. We present the results of the field measurements and control points koordinates. Next, we analyze the aquired results and calculate the average deviation and the root mean square error. The conclusion summarizes our findings, which
confirm the hypothesis of this paper. |
Ključne besede (ePrints, sekundarni jezik): |
Orthophoto;generations;positional precision;analysis;quality;measurements |
ID: |
8327171 |