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Network design and optimisation in close range photogrammetry / A.R. Marshall (1989)

Public Titre : Network design and optimisation in close range photogrammetry Type de document : Rapport Auteurs : A.R. Marshall, Auteur Editeur : Kensington [Australie] : University of New South Wales Année de publication : 1989 Collection : Unisurv Report num. S-36 Importance : 250 p. Format : 21 x 30 cm ISBN/ISSN/EAN : 978-0-85839-054-6 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie numérique [Termes IGN] optimisation (mathématiques) [Termes IGN] photogrammétrie métrologique [Termes IGN] triangulation de Delaunay Résumé : (Auteur) A thorough procedure for the design and evaluation of close range photogrammetric networks has been developed and presented. For high precision photogrammetric applications, where precisions of the order of 1:250,000 of the object diameter may be required, network design procedures form a fundamental tool for ensuring that the network to be implemented will achieve the desired precision and will be economically viable. Detailed formulations of the principles of close range photogrammetry, applicable least squares estimation techniques and the close range photogrammetric mathematical model have been described. These formulations, which are essentially derived from first principles, aim at maintaining the continuity of theory from the least squares and photogrammetric fundamentals through to the network design principles. Network design principles are developed with respect to the four basic network design problems : Zero-Order Design (ZOD) - the datum definition problem First-Order Design (FOD) - the network configuration problem Second-Order Design (SOD) - the observation "weight" problem Third-Order Design (TOD) - the network densification problem Solutions to the datum problem are assessed in terms of applicable least squares solutions, which include the zero-variance computational base solution, Bayesian and ridge regression solutions and free network solutions. The network configuration problem has been evaluated with respect to the factors which influence it. The primary factors include imaging geometry and the number of camera stations. Solutions for the "weight" and densification problems are introduced and applicability of these problems in close range photogrammetric network design is evaluated. Measures for assessing network quality are developed. These measures are essentially precision based, however those measures based upon accuracy, reliability and sensitivity criteria are also developed. Network design for close range photogrammetry is basically achieved by iterative network simulations. Computer software, based upon interactive computer graphics and network simulation, has been developed in order to determine the effect of the various design problem solutions upon the object point precision estimates. The network design problems are linked via a practical example. A case study of the close range photogrammetric mensuration of the Port Kembla coal loader is carried out. Typical design problems are assessed and an alternative network design proposed. Numéro de notice : 63727 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Rapport Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=61221

Exemplaires(1)

Code-barres	Cote	Support	Localisation	Section	Disponibilité
63727-01	33.xx	Livre	Centre de documentation	Photogrammétrie - Lasergrammétrie	Disponible