NDLI: Orthorectification de surfaces complexes acquises par lasergrammétrie et photogrammétrie dans le cadre des travaux de modélisation archéologique de l'église de Dugny.

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Orthorectification de surfaces complexes acquises par lasergrammétrie et photogrammétrie dans le cadre des travaux de modélisation archéologique de l'église de Dugny.

Content Provider	Semantic Scholar
Author	Macher, Hélène
Copyright Year	2013
Abstract	RESUME : L’orthophotographie est une technique repandue en photogrammetrie. Il s’agit d’une photographie dont les deformations dues a la perspective et au relief ont ete corrigees. Lorsque l’on considere des objets plans, les calculs sont simplifies et il n’est pas necessaire de disposer d’un modele 3D. Pour des surfaces ne respectant pas ce critere de planeite, un modele 3D est necessaire pour realiser des orthophotos. L’orthophotographie constitue un support tres apprecie des archeologues, car il permet une etude de structures en realisant notamment des leves pierre-a-pierre par digitalisation. Des leves photogrammetriques et lasergrammetriques de l’eglise de Dugny ont ete realises. Le but de cette etude est de creer, a partir de ces donnees, des orthophotographies d’objets decrivant differents types de surfaces. //////////////////////////////////////////////////////////// TRADUCTION : Image rectification is a popular method in photogrammetry. An orthophoto is a photograph in which the distortions due to perspective and terrain have been corrected. If the object surface describes a plane, a 3D model is not necessary for image rectification. For others surfaces, image rectification is more complex and a 3D model is required. The orthophoto is greatly appreciated by archaeologists because it allows studies of structures in particular with photogrammetric plots. Photogrammetric and lasergrammetric surveys of the Dugny’s church have been performed. The purpose of this project is to create, from these data, orthophotos of objects describing different types of surfaces.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://eprints2.insa-strasbourg.fr/1501/3/Poster_Macher_Helene.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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