About: Segmentation of tree crowns from airborne hyperspectral and lidar data: method comparison

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Structural and spectral information on single trees is needed for diff erent purposes in forest research and its applications. It can help, e.g., to explain the physiological performance of trees, to improve a parameterization of radiative transfer models, to estimate more precisely tree biomass or tree health status. Th is technical note aims at informing about the basic steps in the use of two categories of airborne digital data for tree crown segmentation: 1) passive multispectral (MS) and hyperspectral (HS) data; 2) active laser scanning (LiDAR) data. Basic assumptions of data quality and their pre-processing chains are mentioned for both data categories, followed by an analytical description of the basic steps in crown segmentation: a) detection of individual trees; b) delineation of a projected tree crown. Methods related to each data category and their common use are compared. As a result, synergic application of HS and laser scanning data resulted in the highest precision of tree crown delineation. Structural and spectral information on single trees is needed for diff erent purposes in forest research and its applications. It can help, e.g., to explain the physiological performance of trees, to improve a parameterization of radiative transfer models, to estimate more precisely tree biomass or tree health status. Th is technical note aims at informing about the basic steps in the use of two categories of airborne digital data for tree crown segmentation: 1) passive multispectral (MS) and hyperspectral (HS) data; 2) active laser scanning (LiDAR) data. Basic assumptions of data quality and their pre-processing chains are mentioned for both data categories, followed by an analytical description of the basic steps in crown segmentation: a) detection of individual trees; b) delineation of a projected tree crown. Methods related to each data category and their common use are compared. As a result, synergic application of HS and laser scanning data resulted in the highest precision of tree crown delineation. (en)
Title	Segmentation of tree crowns from airborne hyperspectral and lidar data: method comparison Segmentation of tree crowns from airborne hyperspectral and lidar data: method comparison (en)
skos:prefLabel	Segmentation of tree crowns from airborne hyperspectral and lidar data: method comparison Segmentation of tree crowns from airborne hyperspectral and lidar data: method comparison (en)
skos:notation	RIV/67179843:_____/13:00423706!RIV14-MSM-67179843
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED1.1.00/02.0073), P(OC09001)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Zemek, František Novotný, Jan
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	Centrum výzkumu globální změny AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	104430
http://linked.open...ai/riv/idVysledku	RIV/67179843:_____/13:00423706
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	optimal remote sensing; airborne laser scanning; individual tree crowns segmentation (en)
http://linked.open.../riv/klicoveSlovo	individual tree crowns segmentation optimal remote sensing airborne laser scanning
http://linked.open...ontrolniKodProRIV	[869D0B1FDF08]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Brno
http://linked.open...i/riv/nazevZdroje	Global Change and Resilience: From Impacts to Responses : Proceedings of the 3rd annual Global Change and Resilience Conference
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Remote sensing of forest recovery assessment after bark beetle outbreaks in the Bohemian Forest (Czech Republic) CzechGlobe - Center for Global Climate Change Impacts Studies
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Novotný, Jan Zemek, František
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2013-05-22 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Global change research centre, Academy of Sciences of the Czech Republic, v. v. i
https://schema.org/isbn	978-80-904351-8-6

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