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Point-to-plane registration of terrestrial laser scans / D. Grant in ISPRS Journal of photogrammetry and remote sensing, vol 72 (August 2012)  

Public [article]  inISPRS Journal of photogrammetry and remote sensing > vol 72 (August 2012) . - pp 16 - 26 Titre : Point-to-plane registration of terrestrial laser scans Type de document : Article/Communication Auteurs : D. Grant, Auteur ; J. Bethel, Auteur ; Melba M. Crawford, Auteur Année de publication : 2012 Article en page(s) : pp 16 - 26 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Lasergrammétrie [Termes IGN] compensation par moindres carrés [Termes IGN] données lidar [Termes IGN] données localisées 3D [Termes IGN] point d'appui [Termes IGN] superposition de données [Termes IGN] télémétrie laser terrestre Résumé : (Auteur) The registration of pairs of Terrestrial Laser Scanning data (TLS) is an integral precursor to 3D data analysis. Of specific interest in this research work is the class of approaches that is considered to be fine registration and which does not require any targets or tie points. This paper presents a pairwise fine registration approach called P2P that is formulated using the General Least Squares adjustment model. Given some initial registration parameters, the proposed P2P approach utilizes the scanned points and estimated planar features of both scans, along with their stochastic properties. These quantities are used to determine the optimum registration parameters in the least squares sense. The proposed P2P approach was tested on both simulated and real TLS data, and experimental results showed it to be four times more accurate than the registration approach of Chen and Medioni (1991). Numéro de notice : A2012-493 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2012.05.007 En ligne : https://doi.org/10.1016/j.isprsjprs.2012.05.007 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31939 [article]

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Best regulation cadastral surveys: as little as possible, as much as necessary / D. Grant in GIM international, vol 21 n° 7 (July 2007)

Public [article]  inGIM international > vol 21 n° 7 (July 2007) . - pp 37 - 39 Titre : Best regulation cadastral surveys: as little as possible, as much as necessary Type de document : Article/Communication Auteurs : D. Grant, Auteur ; A. Haanen, Auteur Année de publication : 2007 Article en page(s) : pp 37 - 39 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Cadastre étranger [Termes IGN] cadastre étranger [Termes IGN] cadastre numérique [Termes IGN] géomètre-expert [Termes IGN] intégration de données [Termes IGN] Nouvelle-Zélande Résumé : (Auteur) Land Information New Zealand (LINZ) is changing the form of cadastral regulation to allow the efficient operation of cadastral survey markets while ensuring the achievement of government cadastral outcomes. This, referred to as "Optimal Regulation", is also being applied to other areas of business such as land registration, topographic mapping, hydrographic charting and valuation. The phrase 'as little as possible, as much as necessary' encapsulates this philosophy of optimising the level of intervention and enabling the marketplace to develop the best solutions to meet regulated requirements. Copyright Reed Business Information Numéro de notice : A2007-248 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28611 [article]

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