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6 results on '"Pierre Drap"'

1. Système de prise d'images permettant l'odométrie en temps réel et la réalisation d'un modèle tridimensionnel

Author

Pierre Drap, Julien Seinturier, Djamal Merad, Bertrand Chemisky, Emmanuelle Seguin, Alcala Frederic, Laboratoire des Sciences de l'Information et des Systèmes (LSIS), Aix Marseille Université (AMU)-Université de Toulon (UTLN)-Arts et Métiers Paristech ENSAM Aix-en-Provence-Centre National de la Recherche Scientifique (CNRS), Modèles et simulation pour l'architecture, l'urbanisme et le paysage (MAP), Institut National des Sciences Appliquées - Strasbourg (INSA Strasbourg), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Ministère de la Culture et de la Communication (MCC)-EC ARCHIT NANCY-EC ARCHIT TOULOUSE-EC ARCHIT MARSEILLE-EC ARCHIT LYON-Centre National de la Recherche Scientifique (CNRS), Université Grenoble Alpes - UFR Médecine (UGA UFRM), Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Domingues Vinhas, William, Centre National de la Recherche Scientifique (CNRS)-Arts et Métiers Paristech ENSAM Aix-en-Provence-Université de Toulon (UTLN)-Aix Marseille Université (AMU), EC ARCHIT NANCY-EC ARCHIT TOULOUSE-EC ARCHIT MARSEILLE-EC ARCHIT LYON-Centre National de la Recherche Scientifique (CNRS)-Ministère de la Culture et de la Communication (MCC)-Institut National des Sciences Appliquées - Strasbourg (INSA Strasbourg), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)

Subjects
[SPI.AUTO] Engineering Sciences [physics]/Automatic, [INFO]Computer Science [cs], [INFO] Computer Science [cs], [SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing, [SPI.SIGNAL] Engineering Sciences [physics]/Signal and Image processing, [SPI.AUTO]Engineering Sciences [physics]/Automatic
Abstract

no abstract

Published
2016

2. Underwater Multimodal Survey: Merging Optical and Acoustic Data

Author

Bertrand Chemisky, Olivier Bianchimani, Djamal Merad, Daniela Peloso, Frederic Alcala, Emmanuelle Seguin, Amine Mahiddine, Pierre Drap, Jean-Marc Boi, Laboratoire des Sciences de l'Information et des Systèmes (LSIS), Centre National de la Recherche Scientifique (CNRS)-Arts et Métiers Paristech ENSAM Aix-en-Provence-Université de Toulon (UTLN)-Aix Marseille Université (AMU), Institute for technologies applied to cultural heritage, Université Grenoble Alpes - UFR Médecine (UGA UFRM), Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Compagnie Maritime d'Expertise (COMEX), Septentrion Environnement [Marseille], Olivier Musard, Laurence Le Dû-Blayo, Patrice Francour, Jean-Pierre Beurier, Eric Feunteun, Luc Talassinos, and Aix Marseille Université (AMU)-Université de Toulon (UTLN)-Arts et Métiers Paristech ENSAM Aix-en-Provence-Centre National de la Recherche Scientifique (CNRS)

Subjects
Automatic Color Equalization, Computer science, Wreck, Acoustics, High resolution, 020207 software engineering, 02 engineering and technology, Remotely operated underwater vehicle, Photogrammetry, Natural heritage, 0202 electrical engineering, electronic engineering, information engineering, 020201 artificial intelligence & image processing, Underwater, [SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing, Digital photographs, Remote sensing, 3D
Abstract

International audience; ROV 3D project aims at developing innovative tools which link underwater photogrammetry and acoustic measurements from an active underwater sensor. The results will be 3D high resolution surveys of underwater sites and landscapes useful to keep in memory cultural and natural heritage. The new means and methods developed aim at reducing the investigation time in situ, and proposing comprehensive and non-intrusive measurement tools for the studied environment. In this paper, we are presenting a new method of 3D surveys which are dedicated to high resolution modeling of underwater sites. The main met constraints in situ are taken into account and this method leads to a precise 3D reconstruction. Some examples will present both the main obtained results and their limitations. We will end with the perspectives and the necessary improvements to the method, so as to automate the multimodal registration step.

Published
2014

3. Relevés optiques et acoustiques pour l’archéologie sous‑marine

Author

Andrea Caiti and Pierre Drap

Subjects
Urban Studies, Geography, Planning and Development, Earth and Planetary Sciences (miscellaneous), photogrammétrie sous‑marine, underwater photogrametry, SIG, GIS, SONAR
Abstract

Cet article propose une approche multimodale, optique et acoustique, et multi échelle, du relevé dans le contexte de l’archéologie sous‑marine. Les SONAR multifaisceaux fournissent une représentation 3D du paysage sous‑marin, sans information qualitative mais représentant le relief cartographique des alentours immédiats du site. Le relevé optique, par photogrammétrie, est effectué à l’échelle de l’artefact et du fragment et s’accompagne d’annotations proposées par l’archéologue. Ce relevé exploite un ensemble de connaissances archéologiques afin de minimiser l’effort de mesure et de produire une représentation géométrique liée aux connaissances recueillies sur le site. Nous proposons également une représentation non‑photoréaliste, qui conserve les liens bidirectionnels entre géométrie de la représentation et données non graphiques. Cette approche permet d’offrir une passerelle vers des outils de SIG tout en simulant un relevé manuel, interprété par l’archéologue. In this paper, we describe optical and acoustic survey methods in underwater archaeology. Side‑scan sonar yields 3D renderings of the underwater landscape, and allows the topography around sites to be mapped. Optical surveys are undertaken at the scale of the artefact and archaeological fragments and are accompanied by annotations made by the archaeologist. This survey method uses archaeological data to minimize measurements and produce a geometric rendering based on knowledge of the site. We also discuss a non‑photorealistic representation which conserves the links between geometry and non‑graphic data. This approach can be used as a gateway to GIS tools, while simulating a manual reading, for interpretation by the archaeologist.

Published
2013

4. A GIS tool box for Cultural Heritage. An application on Constantine, Algeria, historical center

Author

Pierre Drap, Julien Seinturier, Marco Canciani, Ben Garrett, Modèles et simulation pour l'architecture, l'urbanisme et le paysage (MAP), EC ARCHIT NANCY-EC ARCHIT TOULOUSE-EC ARCHIT MARSEILLE-EC ARCHIT LYON-Centre National de la Recherche Scientifique (CNRS)-Ministère de la Culture et de la Communication (MCC)-Institut National des Sciences Appliquées - Strasbourg (INSA Strasbourg), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA), Laboratorio di ìRappresentazione Graficaî, and Jusserand, Caroline

Subjects
[SHS.ARCHI]Humanities and Social Sciences/Architecture, space management, Cultural Heritage, [SHS.ARCHI] Humanities and Social Sciences/Architecture, space management, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2003

5. Fusion réversible : application à l'information archéologique

Author

Julien Seinturier, Pierre Drap, Odile Papini, Modèles et simulation pour l'architecture, l'urbanisme et le paysage (MAP), EC ARCHIT NANCY-EC ARCHIT TOULOUSE-EC ARCHIT MARSEILLE-EC ARCHIT LYON-Centre National de la Recherche Scientifique (CNRS)-Ministère de la Culture et de la Communication (MCC)-Institut National des Sciences Appliquées - Strasbourg (INSA Strasbourg), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA), Laboratoire des Sciences de l'Information et des Systèmes (LSIS), Centre National de la Recherche Scientifique (CNRS)-Arts et Métiers Paristech ENSAM Aix-en-Provence-Université de Toulon (UTLN)-Aix Marseille Université (AMU), Institut National des Sciences Appliquées - Strasbourg (INSA Strasbourg), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Ministère de la Culture et de la Communication (MCC)-EC ARCHIT NANCY-EC ARCHIT TOULOUSE-EC ARCHIT MARSEILLE-EC ARCHIT LYON-Centre National de la Recherche Scientifique (CNRS), Aix Marseille Université (AMU)-Université de Toulon (UTLN)-Arts et Métiers Paristech ENSAM Aix-en-Provence-Centre National de la Recherche Scientifique (CNRS), and Jusserand, Caroline

Subjects
[SHS.ARCHI]Humanities and Social Sciences/Architecture, space management, archéologie, [SHS.ARCHI] Humanities and Social Sciences/Architecture, space management
Published
2003

6. Les parcs-nature de la ville de Montréal, des refuges de diversité aviaire?

Author

Pierre Drapeau and Maxime Allard

Subjects
protected areas, biodiversity, birds, natural habitats, ecosystem management, wildlife refuges, Environmental sciences, GE1-350
Abstract

Protected natural areas in urban landscapes are doom to play an increasing ecological role in the maintenance of biodiversity as urbanization is progressing. Since the early 1990’s the city of Montréal has acquired a network of 1447 ha of the last remaining natural areas on the island to create nature parks. An ecosystem-based management approach has been developed to ensure the ecological integrity and quality of nature parks ecosystems and biodiversity through several environmental monitoring programs of which a breeding birds monitoring plays a pivotal role since 1997. In this paper we report the results of the first 10 years of this program where breeding birds have been annually monitored with permanent point count stations. Over the 1997-2007 period, the species composition of bird communities in nature parks has remained relatively stable whereas the proportion of species from forest habitats, open habitats (marshes, wetlands, prairies and abandoned fields) and edges reflect the diversity of habitats unique to each park. These relatively stable patterns of bird community composition over this 10 years’ period emphasize the potential of this protected areas’ network to contribute to the maintenance of breeding bird populations on Montreal island. At the opposite, the persisting low occurrences of most species that are sensitive to forest fragmentation highlights the challenge faced by nature parks to fully play their ecological role has habitat refuges for these species. The relationship between increased natural habitats in the neighborhood surrounding nature parks and increasing occurrence of one of these sensitive species, the Ovenbird, suggests that nature parks could quickly increase their capacity to maintain sensitive species provided that urban planning reduces the human footprint with buffers in the neighboring environment. Data for the 2008-2018 period should allow a better assessment of the trends of the first 10-years of this insightful bird monitoring program.

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