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Auteur B.D. Doorn |
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Multi-scale surface recontruction in the object space / B.D. Doorn (1991)
Titre : Multi-scale surface recontruction in the object space Type de document : Monographie Auteurs : B.D. Doorn, Auteur Editeur : Colombus (Ohio) : Ohio State University Année de publication : 1991 Collection : Department of Geodetic Science and Surveying Reports num. 413 Importance : 86 p. Format : 21 x 27 cm Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie numérique
[Termes IGN] appariement de formes
[Termes IGN] espace objet
[Termes IGN] reconstruction 3D du bâti
[Termes IGN] représentation multipleIndex. décimale : 33.30 Photogrammétrie numérique Résumé : (Auteur) The goal of automatic surface reconstruction is to measure and interpret the object space surface with little or no human intervention. Current 'stereo matching' techniques first refine the stereo images in order to remove geometric and radiometric distortions between the images and provide distinct representations. Conjugate locations (parallax) are determined by similarity measures between these refined stereo images. However, complex geometric and radiometric properties and lack of information known prior to implementation compel these techniques to heavily constrain the space of possible solutions. This results in incorrect or over- generalized measurements of the physical world. A multi-scale, object space concept and subsequent strategy is proposed that more completely removes geometric distortions, decreases the need for unrealistic information prior to reconstruction, and integrates stereo matching and other surface reconstruction tasks in a common, goal-oriented environment: the object space. This strategy is implemented and compared with a traditional stereo matching strategy. The results show that even with rudimentary implementation techniques, the proposed strategy increases the measurement robustness and interpretation richness of complex object space surfaces. Numéro de notice : 12122 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Monographie Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=54549 Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 12122-01 33.30 Livre Centre de documentation Photogrammétrie - Lasergrammétrie Disponible