Uporaba lidarskih podatkov za klasifikacijo pokrovnosti

The book presents a method to create a land cover map from lidar data (elevation, intensity and standard deviation of height). The intensity of the observed object depends on many factors and is therefore not easy to interpret. With careful study of the problem and implementing various improvements...

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Superior document:Prostor, kraj, čas 6
:
Year of Publication:2015
Language:Slovenian
Series:Prostor, kraj, čas 6
Physical Description:1 electronic resource (113 p.)
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spelling Švab Lenarčič, Andreja auth
Uporaba lidarskih podatkov za klasifikacijo pokrovnosti
Ljubljana ZRC SAZU, Založba ZRC 2015
1 electronic resource (113 p.)
text txt rdacontent
computer c rdamedia
online resource cr rdacarrier
Prostor, kraj, čas 6
The book presents a method to create a land cover map from lidar data (elevation, intensity and standard deviation of height). The intensity of the observed object depends on many factors and is therefore not easy to interpret. With careful study of the problem and implementing various improvements we managed to distinctively classify categories of grass, agricultural fields and asphalt. We used standard deviation of height to differentiate trees and buildings, because this was not possible using intensity data alone. On the basis of independent lidar data a high quality three dimensional land cover map of local area has been successfully generated. It distinguishes five basic categories, although more detailed sub-categories could be introduced if necessary. Once the methodology is determined, products can be generated fully automatically, with minimal effort and costs. The resulting maps are of very high positional and thematic accuracy with numerous advantages for local studies.
Knjiga opisuje postopek izdelave karte pokrovnosti iz podatkov lidarskega snemanja, kot so višina, intenziteta in standardni odklon višine. Intenziteta opazovanega objekta je odvisna od vrste dejavnikov in zato težavna za interpretacijo. Po njeni preučitvi in nekaterih izboljšavah smo zelo dobro razločili kategorije pokrovnosti trava, njive in asfalt, za razločitev dreves in stavb pa smo morali uporabiti še standardni odklon višin. Na osnovi samostojnih lidarskih podatkov smo uspeli izdelati kakovostno karto pokrovnosti krajevnega območja, ki loči pet osnovnih kategorij, po potrebi pa jih lahko ločimo tudi več. Ko je postopek izdelave karte znan, lahko karto izdelamo povsem samodejno, z minimalnim naporom in stroški. Pri tem dobimo karto zelo dobre položajne in tematske natančnosti, s številnimi prednostmi za krajevne študije.
Slovenian
Geographical information systems (GIS) & remote sensing bicssc
aerial laser scanning
coverage
intensity
land cover
lidar
remote sensing
Slovenia
daljinsko zaznavanje
intenziteta
pokrovnost
pokrovnost tal
Slovenija
zračno lasersko skeniranje
961-254-755-6
Oštir, Krištof auth
language Slovenian
format eBook
author Švab Lenarčič, Andreja
spellingShingle Švab Lenarčič, Andreja
Uporaba lidarskih podatkov za klasifikacijo pokrovnosti
Prostor, kraj, čas
author_facet Švab Lenarčič, Andreja
Oštir, Krištof
author_variant l a š la laš
author2 Oštir, Krištof
author2_variant k o ko
author_sort Švab Lenarčič, Andreja
title Uporaba lidarskih podatkov za klasifikacijo pokrovnosti
title_full Uporaba lidarskih podatkov za klasifikacijo pokrovnosti
title_fullStr Uporaba lidarskih podatkov za klasifikacijo pokrovnosti
title_full_unstemmed Uporaba lidarskih podatkov za klasifikacijo pokrovnosti
title_auth Uporaba lidarskih podatkov za klasifikacijo pokrovnosti
title_new Uporaba lidarskih podatkov za klasifikacijo pokrovnosti
title_sort uporaba lidarskih podatkov za klasifikacijo pokrovnosti
series Prostor, kraj, čas
series2 Prostor, kraj, čas
publisher ZRC SAZU, Založba ZRC
publishDate 2015
physical 1 electronic resource (113 p.)
isbn 961-254-755-6
illustrated Not Illustrated
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hierarchy_parent_title Prostor, kraj, čas 6
is_hierarchy_title Uporaba lidarskih podatkov za klasifikacijo pokrovnosti
container_title Prostor, kraj, čas 6
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