About: Road classification from VHR imagery

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper focuses on development of classification rules for road extraction from very high resolution satellite images. From the methodological point of view, a main emphasis is on object based image analyses and finding suitable features for discriminating consolidated (asphalt) roads from other land cover classes. Results of practical tests on QuickBird images from the surroundings of Prague (combination of agriculture, urban and forest areas) are presented. Supervised, per-pixel approach was also applied. A comparison of automatically derived land cover classes with manual interpretation of imagery showed similar level of accuracy of pixel and object based classification results. Nevertheless, a visual inspection proved better consistency of OBIA derived road segments that should be an input for creating a vector road network GIS layer. The paper focuses on development of classification rules for road extraction from very high resolution satellite images. From the methodological point of view, a main emphasis is on object based image analyses and finding suitable features for discriminating consolidated (asphalt) roads from other land cover classes. Results of practical tests on QuickBird images from the surroundings of Prague (combination of agriculture, urban and forest areas) are presented. Supervised, per-pixel approach was also applied. A comparison of automatically derived land cover classes with manual interpretation of imagery showed similar level of accuracy of pixel and object based classification results. Nevertheless, a visual inspection proved better consistency of OBIA derived road segments that should be an input for creating a vector road network GIS layer. (en)
Title	Road classification from VHR imagery Road classification from VHR imagery (en)
skos:prefLabel	Road classification from VHR imagery Road classification from VHR imagery (en)
skos:notation	RIV/00216208:11310/10:10082650!RIV11-MZP-11310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(SP/4I5/212/07)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kupková, Lucie Potůčková, Markéta
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	285531
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/10:10082650
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	QuickBird; road extraction; OBIA (en)
http://linked.open.../riv/klicoveSlovo	OBIA QuickBird road extraction
http://linked.open...ontrolniKodProRIV	[66D6215C61B9]
http://linked.open...v/mistoKonaniAkce	Paris
http://linked.open...i/riv/mistoVydani	Neuveden
http://linked.open...i/riv/nazevZdroje	Proceedings of EARSeL Symposium 2010
http://linked.open...in/vavai/riv/obor	DE
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Suburban development, suburbanisation and urban sprawl in the Czech Republic: tackling the negative impacts on the environment
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Kupková, Lucie Potůčková, Markéta Kolankiewiczová, Soňa
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-05-31 (xsd:date)
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	EARSeL
https://schema.org/isbn	978-3-00-033435-1
http://localhost/t...ganizacniJednotka	11310
is http://linked.open...avai/riv/vysledek of	Road classification from VHR imagery Road classification from VHR imagery Road classification from VHR imagery

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