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Studies on DMC geometry / R. Alamus in ISPRS Journal of photogrammetry and remote sensing, vol 60 n° 6 (September 2006)  

Public [article]  inISPRS Journal of photogrammetry and remote sensing > vol 60 n° 6 (September 2006) . - pp 375 - 386 Titre : Studies on DMC geometry Type de document : Article/Communication Auteurs : R. Alamus, Auteur ; W. Kornus, Auteur ; J. Talaya, Auteur Année de publication : 2006 Article en page(s) : pp 375 - 386 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s) [Termes IGN] analyse comparative [Termes IGN] chambre DTC [Termes IGN] DMC [Termes IGN] données lidar [Termes IGN] étalonnage de capteur (imagerie) [Termes IGN] modèle numérique de surface [Termes IGN] photogrammétrie aérienne [Termes IGN] précision géométrique (imagerie) Résumé : (Auteur) Since the ISPRS Congress 2000 in Amsterdam, there are great expectations in matrix-CCD based digital cameras for aerial photogrammetry and mapping applications. During the last two years the number of DMC cameras in the market has raised significantly (32 cameras were sold until March 2006). This paper discusses the DMC accuracy focusing on the role of self-calibration parameters and the assessment of automatic DEM quality. This investigation concluded that under the current status of DMC an appropriate set of self-calibration parameters is necessary in order to achieve theoretical accuracy and precision, which were discussed in early literature. In the following discussions, the accuracy of the DMC is analyzed comparing its performance in automatic DEM generation to that of an analog camera using a Lidar DEM as reference. Despite the fact that the higher image quality of the DMC should overcome the poorer base-to-height ratio, the presented results did not reach the expected accuracies. However, our current study is not yet conclusive on this topic because the DMC, the analog images and the LIDAR data have not been acquired at the same time. Numéro de notice : A2006-410 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2006.05.006 En ligne : https://doi.org/10.1016/j.isprsjprs.2006.05.006 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28134 [article]

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