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Mapping Ontario's highways with Lidar: can Lidar complete with photogrammetric mapping / R. Berg in GIM international, vol 15 n° 11 (November 2001)

Public [article]  inGIM international > vol 15 n° 11 (November 2001) . - pp 12 - 15 Titre : Mapping Ontario's highways with Lidar: can Lidar complete with photogrammetric mapping Type de document : Article/Communication Auteurs : R. Berg, Auteur ; J. Ferguson, Auteur Année de publication : 2001 Article en page(s) : pp 12 - 15 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Lasergrammétrie [Termes IGN] cartographie numérique [Termes IGN] densité des points [Termes IGN] données lidar [Termes IGN] modèle numérique de terrain [Termes IGN] Ontario (Canada) [Termes IGN] photogrammétrie numérique [Termes IGN] restitution numérique Résumé : (Auteur) The spectrum of applications for LIDAR (LIght Detection And Ranging) is a broad one and includes, among many, highway design surveys and route planning studies. One of the questions the Ministry of Transportation Ontario (MTO) Canada wanted to get an answer to was whether LIDAR could provide accuracy similar to that of the photogrammetric mapping products normally produced. In the authors' experience, the answer was negative. However, they discuss the fact that LIDAR offers some distinct advantages, such as speed of DTM generation and higher point density under canopy which can, under certain conditions, result in a superior DTM. Numéro de notice : A2001-122 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=21822 [article]

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