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NEWSPLATFORMS: Unconventional platforms (Unmanned Aircraft Systems) for remote sensing / J. Everaerts (01/12/2009)
contenu dans Detection of unregistered buildings for updating 2D databases / European Spatial Data Research EuroSDR (2009)
Titre : NEWSPLATFORMS: Unconventional platforms (Unmanned Aircraft Systems) for remote sensing Type de document : Chapitre/Contribution Auteurs : J. Everaerts, Auteur Année de publication : 01/12/2009 Importance : pp 57 - 98 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] acquisition d'images
[Termes IGN] drone
[Termes IGN] photogrammétrie aérienneRésumé : (Auteur) This final report of the EuroSDR project "NEWPLATFORMS" gives an overview of a very promising new class of platforms for remote sensing, unmanned aircraft systems or UAS. Although un-manned aircraft have been around for many years, they are now becoming available for scientific and civil use, as low-altitude systems that provide an "eye in the sky" for small photogrammetry projects (the size of a construction site), and for the development of new remote sensing applications. First, the concept of an UAS is described. It is not just about the aircraft, but also about its ground control system (which gives the remote pilot the ability to control the aircraft). Two ways of classification are given, one more descriptive (based on physical properties such as total mass, range, endurance, etc.), and one based on the flight clearance potential. The latter is important, since there is a total lack of coherent regulations across Europe. A summary of the regulatory authorities is presented in chapter 2. The report concludes with a review of the (potential) applications in remote sensing that can be conducted with UAS. Numéro de notice : H2009-002 Affiliation des auteurs : IGN (1940-2011) Thématique : IMAGERIE Nature : Chapître / contribution Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=65899 Timing on the fly: synchronisation for direct georeferencing on small UAVs / J. Perry in Inside GNSS, vol 4 n° 6 (November - December 2009)
[article]
Titre : Timing on the fly: synchronisation for direct georeferencing on small UAVs Type de document : Article/Communication Auteurs : J. Perry, Auteur ; J. Childs, Auteur Année de publication : 2009 Article en page(s) : 7 p. ; pp 37 - 40 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] drone
[Termes IGN] géoréférencement direct
[Termes IGN] GPS-INS
[Termes IGN] synchronisationRésumé : (Auteur) Researchers have long recognized the importance of synchronization in direct georeferencing — correlating the time of sensor activation with the position of the platform at that instant. Accomplishing this affordably on board lightweight autonomous aerial vehicles, however, has special challenges. This article describes the development of Burredo, an inexpensive, lightweight sub-microsecond timing system for synchronizing the position and attitude of a remote sensing system. Numéro de notice : A2009-671 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=33559
in Inside GNSS > vol 4 n° 6 (November - December 2009) . - 7 p. ; pp 37 - 40[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 159-09061 SL Revue Centre de documentation Revues en salle Disponible Documents numériques
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Timing on the fly ... - pdf éditeurAdobe Acrobat PDF vol 47 n° 3 - March 2009 - Special issue on unmanned airborne vehicle (UAV) sensing systems for earth observations (Bulletin de IEEE Transactions on geoscience and remote sensing) / Geoscience and remote sensing society
[n° ou bulletin]
est un bulletin de IEEE Transactions on geoscience and remote sensing / IEEE Geoscience and remote sensing society (Etats-Unis) (1986 -)
Titre : vol 47 n° 3 - March 2009 - Special issue on unmanned airborne vehicle (UAV) sensing systems for earth observations Type de document : Périodique Auteurs : Geoscience and remote sensing society, Auteur Année de publication : 2009 Importance : 250 p. Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Télédétection
[Termes IGN] acquisition d'images
[Termes IGN] données localisées 3D
[Termes IGN] drone
[Termes IGN] orthorectification
[Termes IGN] prise de vue aérienne
[Termes IGN] système de numérisation mobileNuméro de notice : 065-0903 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Numéro de périodique En ligne : http://ieeexplore.ieee.org/xpl/tocresult.jsp?isnumber=4786573&punumber=36 Format de la ressource électronique : URL sommaire Permalink : https://documentation.ensg.eu/index.php?lvl=bulletin_display&id=9547 [n° ou bulletin]Réservation
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Titre : UAV photogrammetry Type de document : Thèse/HDR Auteurs : Henri Eisenbeiss, Auteur Editeur : Zurich : Institut für Geodäsie und Photogrammetrie IGP - ETH Année de publication : 2009 Collection : IGP Mitteilungen, ISSN 0252-9335 num. 105 Importance : 203 p. Format : 21 x 30 cm ISBN/ISSN/EAN : 978-3-906467-86-3 Note générale : Bibliographie
A dissertation submitted to ETH ZURICH for the degree of Doctor of SciencesLangues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie numérique
[Termes IGN] acquisition d'images
[Termes IGN] données lidar
[Termes IGN] drone
[Termes IGN] lasergrammétrie
[Termes IGN] modèle numérique de surface
[Termes IGN] montagne
[Termes IGN] orthophotographie
[Termes IGN] Pérou
[Termes IGN] photogrammétrie aérienne
[Termes IGN] photogrammétrie numérique
[Termes IGN] site archéologique
[Termes IGN] Suisse
[Termes IGN] télémétrie laser aéroportéIndex. décimale : 33.30 Photogrammétrie numérique Résumé : (Auteur) UAVs are unmanned aerial vehicles. Hence, UAV photogrammetry can be understood as a new photogrammetric measurement tool. UAV photogrammetry opens various new applications in the close range domain, combining aerial and terrestrial photogrammetry, but also introduces low-cost alternatives to the classical manned aerial photogrammtery. This thesis deals with the challenging task: "The use of UAV systems as photogrammetric data acquisition platforms " and the work was conducted by the author at IGP at ETH Zurich from 2003 to 2009.
In this work, a new terminology, UAV Photogrammetry, was introduced. UAV Photogrammetry describes photogrammetric measurement platforms, which operate as either remotely controlled, semi-autonomously, or autonomously, all without a pilot sitting in the platform, and the photogrammetric processing of UAV images. The broad definition covers balloons, kites, gliders, airships, rotary and fixed wing UAVs with the capability for photogrammetric data acquisition in manual, semi-automated and automated flight mode. To more clearly define UAVs, a comprehensive literature review on UAVs used in photogrammetry will be given. Using the existing categorizations of UAVs, the outcome of the literature review and our experiments, a new classification for UAVs, with respect on low-cost and high-end systems, the real-time processing capability (based on the integrated sensors and the flight performance, as well as the influence of environmental conditions), was provided. For this work, UAV systems, based on the new classification, will be selected to demonstrate how UAVs can be applied for photogrammetric data acquisition and processing.
In addition to the revised definitions and classifications of UAVs, we have devised a new generic workflow for the photogrammetric UAV flight planning, image acquisition, quality control and data processing. This workflow can specifically be adapted to individual UAV-systems and applications. Thus, specific tools, such as flight planning, are developed. Based on our results, UAV flight control systems and the flight operations were improved and commercial and in-house developed software packages were additionally evaluated for the processing of UAV image data. The proposed workflow allows the combination of office and field work, enabling the first results to be available during the field work for preliminary analysis.
This dissertation also emphasizes the influence of the manual, assisted and autonomous control of the UAV system on the flight performance during the data acquisition, which in turn influences the results and the feasibility of the photogrammetric data processing. Therefore, an autonomous tachymeter tracking of the flight trajectory was performed firstly with an UAV system. A test field for UAVs was then established at the campus Honggerberg at ETH Zurich. This test field enables us to assess the flight performance of various UAV systems. Specifically, an UAV system combined with a light weight laser scanner acquired a DSM over our test field.
Complementary to the developed workflow the accomplished real world application, this work has shown the great potential of using UAVs in photogrammetry and upcoming applications. The focus of our applications was particularly on archaeology and environmental applications, which allowed us to prove our established workflow and to underline the high potential of UAV systems for specific photogrammetric tasks, specifically the use of autonomous operated and stabilized UAV systems. :
• In the frame of the Nasca/Palpa project, the pre-Inca settlement Pinchango Alto (Peru) was documented with our autonomous flying model helicopter. For the first time an accurate and dense elevation model (10cm resolution) of an archaeological site was generated automatically using our in-house developed software. A detailed analysis of the generated data was done using terrestrial laser scanning data. The comparison of both data sets showed that the mean difference between the elevation models was less than 1cm with a standard deviation of 6cm.
• The world heritage Maya site Copan (Honduras) was documented with our system in 2009. The preliminary results, achieved directly after the data acquisition, underlined the expectations and potentials for up-coming
archaeological analysis and investigations.
• The castle Landenberg was documented with 1cm resolution using terrestrial and UAV images.
• In the framework of this dissertation, the rockslide Randa (Switzerland) was documented with LiDAR and image data taken from a manned helicopter. The results from the manned system were compared to the observed data from a UAV for a small part of the rockslide. The elevation model generated from the UAV image data had a substantial higher resolution and showed less occlusions than the LiDAR data. These differences result from the possibility to acquire image data close to the rockslide using an autonomous operated UAV, without endangering human life, and using a specific flight planning tool for UAVs in mountainous areas. This particular application showed also the limitations of existing UAVs in the data acquisition in Alpine areas, due to the high altitudes. However recent developments of new UAV systems are now ready in future work to operate in Alpine areas.
• Using a quadrotor, equipped with a light weight compact camera, it was possible to generate elevation models of a gravel pit at different time periods (February and April). The image data was acquired in the semi-automated and automated mode, allowing an estimation of the volume dug from the pit over time.
• An UAV was used in a study for the evaluation of genetically modified maize (simulated) on conventional maize. High resolution elevation models and orthoimages were produced from two campaigns. The generated spatial data was integrated into a GIS and then used with measures for the out-crossing in maize, to analyse the inclination, height, distance and wind on the influence of cross-pollination in maize.
Finally, based on the experimental results, a new particular workflow for combination of image and LiDAR sensors on one UAV platform was provided.Note de contenu : 1 Introduction
1.1 Definition of UAVs
1.1.1 UAV photogrammetry
1.1.2 Advantages of UAVs
1.1.3 Limitations in the use of UAVs
1.1.4 Categorization of photogrammetric platforms
1.2 Research goals
1.2.1 Rationale
1.3 Outline
2 Literature review
2.1 Pre 2004
2.1.1 Early investigations
2.1.2 Balloons
2.1.3 Airship
2.1.4 Model helicopters
2.1.5 A7fev
2.1.6 Fixed wing aircraft
2.2 Developments from 2004 to 2007
2.3 2008 until present
2.3.1 VAV-borne LiDAR
2.3.2 Rotary wing UAVs
2.3.3 Balloons
2.3.4 Open source systems
2.3.5 Further applications and developments
2.3.6 IGP ETH Zurich
2.4 Conclusions
3 UAV-systems
3.1 General overview
3.1.1 Classification of UAVs
3.1.2 Regulations
3.1.3 UAV communities
3.2 Open Source and Low Cost UAV Systems: OM-Class
3.2.1 Mikrokopter
3.2.2 Manual controlled system ,,Susi"
3.3 Micro & Mini UAV Systems: M-Class
3.3.7 Quadrotors
3.3.2 Model helicopter
3.3.3 Fixed wing UA Vs
3.4 Large Payload UAV Systems: L-Class
3.4.1 Aeroscout
3.4.2 Geocopter
3.5 Conclusions
4 Project workflow and image data acquisition
4.1 Workflow
4.2 Flight Planning
4.2.1 Flight planning for UAVs
4.2.2 Integration into the mission planning software
4.3 Manual versus autonomous flight
4.3.1 Example model helicopter
4.3.2 Manually controlled Kites and Zeppelin
4.4 Analysis of the trajectory of autonomous UAV flights
4.4.1 Flight trajectory versus predefined flight path
4.4.2 Influence of the flight modus
4.4.3 Tracking tachymetry
4.5 Main achievements for the autonomous flights
5 Photogrammetric data processing
5.1 Image orientation
5.2 Photogrammetric products
5.2.1 Generation of digital surface models
5.2.2 Orthoimage and 3D Visualization
5.3 UAV-borne laser scanning
5.3.7 Test field Campus Honggerberg
5.3.2 First test flights 2009
5.4 Conclusions
6 Archaeological applications and cultural heritage documentation
6.1 Motivation
6.2 Pinchango Alto (Peru) a pre-Inca settlement
6.3 The Maya site Copan (Honduras)
6.4 Castle Landenberg (Switzerland)
6.5 Conclusions
7 Monitoring of hazards, environmental and agricultural applications
7.1 The rockslide Randa (Switzerland)
7.2 Estimation of the volumetric changes of gravel-pits
7.3 Agriculture: The maize field project
7.4 Main achievements
8 Conclusions and perspectives
8.1 Conclusions
8.2 PerspectivesNuméro de notice : 15508 Affiliation des auteurs : non IGN Autre URL associée : http://dx.doi.org/10.3929/ethz-a-005939264 Thématique : IMAGERIE Nature : Thèse étrangère DOI : 10.3929/ethz-a-005939264 En ligne : https://ethz.ch/content/dam/ethz/special-interest/baug/igp/igp-dam/documents/PhD [...] Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=62741 Réservation
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Code-barres Cote Support Localisation Section Disponibilité 15508-01 33.30 Livre Centre de documentation Photogrammétrie - Lasergrammétrie Disponible Inspection des ouvrages d'art par drone : bilan et perspectives des travaux du LCPC / F. Derkx in Bulletin des Laboratoires des Ponts et Chaussées, BLPC, n° 273 (décembre 2008)
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Titre : Inspection des ouvrages d'art par drone : bilan et perspectives des travaux du LCPC Type de document : Article/Communication Auteurs : F. Derkx, Auteur ; J.L. Sorin, Auteur Année de publication : 2008 Article en page(s) : pp 39 - 56 Note générale : Bibliographie Langues : Français (fre) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] acquisition d'images
[Termes IGN] auscultation d'ouvrage
[Termes IGN] drone
[Termes IGN] ouvrage d'art
[Termes IGN] pont
[Termes IGN] pylone
[Termes IGN] surveillance d'ouvrageRésumé : (Auteur) Nécessaire pour garantir le niveau de service et la sécurité des usagers, l'inspection des ouvrages d'art est réalisée très majoritairement de façon visuelle sur l'ensemble de la structure et doit être exécutée en assurant la sécurité des intervenants. C'est pour répondre à ces conditions que des passerelles et des nacelles motorisées ont été développées, en particulier pour observer les zones difficilement accessibles. Or ces équipements sont parfois difficiles, voire impossibles d'utilisation ; c'est pourquoi, nous nous sommes intéressés aux développements de systèmes de vision embarqués sur des drones. Après avoir validé le concept de drone par une expérimentation sur un site réel au moyen d'un aéromodèle d'hélicoptère équipé d'une caméra, nous avons acquis notre propre drone afin d'utiliser une plate-forme pour tester différents dispositifs de vision et d'instrumentation. L'enjeu est de rendre possible les prises d'images qui, une fois traitées, donneront des informations qualitatives et quantitatives des dégradations observées. Après un rappel sur l'organisation de la maintenance des ouvrages, cet article développe l'intérêt d'utiliser des drones pour l'inspection des ouvrages et d'autres activités d'auscultation et de surveillance, montre le drone acquis par le LCPC et présente des résultats obtenus au cours de deux expérimentations sur des sites réels. Il donne également un aperçu des recherches en cours et de celles à entreprendre pour mener à bien ce projet. Copyright LCPC Numéro de notice : A2008-525 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans En ligne : https://hal.archives-ouvertes.fr/hal-00376783 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29594
in Bulletin des Laboratoires des Ponts et Chaussées, BLPC > n° 273 (décembre 2008) . - pp 39 - 56[article]From practical to tactical: How user-driven Lidar innovations benefit both commercial and military / B. Gutelius in Geoinformatics, vol 10 n° 3 (01/04/2007)PermalinkApplications of photogrammetric processing using an autonomous model helicopter / Henri Eisenbeiss in Revue Française de Photogrammétrie et de Télédétection, n° 185 (Mars 2007)PermalinkShaping a future for Geographic Information: Ordnance Survey’s research Labs / C. Parker in Geoinformatics, vol 10 n° 2 (01/03/2007)PermalinkGéolocalisation des défauts d'ouvrages sur images acquises par un drone d'hélicoptère / Bertrand Cannelle (2007)PermalinkAerial surveillance / Anonyme in GEO: Geoconnexion international, vol 5 n° 10 (november - december2006)PermalinkEtude bibliographique pour la mise en place d'une chaine d'acquisition multicapteurs très haute résolution sur un vecteur volant à basse altitude / Antoine Gademer (2006)PermalinkADS40 Large-scale digital camera (Bulletin de Géomatique suisse)PermalinkFlexed for flight: tightly coupled integrated nav system adapts to data formats / J.F. Lorga in GPS world, vol 16 n° 6 (June 2005)PermalinkDemonstrating UVA-acquired real-time thermal data of fires / V.G. Ambrosia in Photogrammetric Engineering & Remote Sensing, PERS, vol 69 n° 4 (April 2003)PermalinkNote sur la conception et l'utilisation d'un drone lent pour la télédétection rapprochée / J. Asseline in Photo interprétation, vol 37 n° 2 (Juillet 1999)PermalinkLes drôles de drones de Georges Dol au service de la photographie aérienne / M.P. Olphand in Géomètre, vol 1998 n° 2 (février 1998)Permalink