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Three-dimensional deformation monitoring of urban infrastructure by tomographic SAR using multitrack TerraSAR-X data stacks / Sina Montazeri in IEEE Transactions on geoscience and remote sensing, vol 54 n° 12 (December 2016)
[article]
Titre : Three-dimensional deformation monitoring of urban infrastructure by tomographic SAR using multitrack TerraSAR-X data stacks Type de document : Article/Communication Auteurs : Sina Montazeri, Auteur ; Xiao Xiang Zhu, Auteur ; Michael Eineder, Auteur ; Richard Bamler, Auteur Année de publication : 2016 Article en page(s) : pp 6868 - 6878 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image radar et applications
[Termes IGN] analyse comparative
[Termes IGN] Berlin
[Termes IGN] déformation d'édifice
[Termes IGN] image radar moirée
[Termes IGN] image TerraSAR-X
[Termes IGN] semis de points
[Termes IGN] surveillance d'ouvrage
[Termes IGN] tomographie radarRésumé : (Auteur) Differential synthetic aperture radar tomography (D-TomoSAR), similar to its conventional counterparts such as differential interferometric SAR and persistent scatterer interferometry, is only capable of capturing 1-D deformation along the satellite's line of sight. In this paper, we propose a method based on L1-norm minimization within local spatial cubes to reconstruct 3-D displacement vectors from TomoSAR point clouds available from at least three different viewing geometries. The methodology is applied on two pairs of cross-heading-combination of ascending and descending-TerraSAR-X (TS-X) spotlight image stacks over the city of Berlin. The linear deformation rate and the amplitude of seasonal deformation are decomposed, and the results from two test sites with remarkable deformation pattern are discussed in detail. The results, to our knowledge, demonstrate the first attempt for motion decomposition using TomoSAR data from multiple viewing geometries. Numéro de notice : A2016-919 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2016.2585741 En ligne : http://dx.doi.org/10.1109/TGRS.2016.2585741 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=83322
in IEEE Transactions on geoscience and remote sensing > vol 54 n° 12 (December 2016) . - pp 6868 - 6878[article]Hybrid BD / GPS positioning for deformation monitoring under denied environments / Zhenzhong Peng in Journal of applied geodesy, vol 10 n° 3 (September 2016)
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Titre : Hybrid BD / GPS positioning for deformation monitoring under denied environments Type de document : Article/Communication Auteurs : Zhenzhong Peng, Auteur ; Qianxia Li, Auteur ; Linyuan Xia, Auteur Année de publication : 2016 Article en page(s) : pp 159 – 166 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Topographie
[Termes IGN] analyse de sensibilité
[Termes IGN] auscultation d'ouvrage
[Termes IGN] barrage
[Termes IGN] optimisation spatiale
[Termes IGN] positionnement par BeiDou
[Termes IGN] positionnement par GNSS
[Termes IGN] positionnement par GPS
[Termes IGN] surveillance d'ouvrage
[Termes IGN] surveillance géologique
[Termes IGN] topométrie de précisionRésumé : (auteur) In the era of multiple satellite navigation and positioning, there are still many remained issues to be tackled in order to satisfy varied applications for various sectors. These include availability, accuracy, integrity, vulnerability and others. To explore feasibility of deformation monitoring under dam and steep slope environments, we investigated features of hybrid BD / GPS positioning and monitoring performance. Results indicate that hybrid satellites can further facilitate precise positioning for deformation monitoring on restricted regions. A static network in near real time mode is designed to exhibit essential sensitivity for deformation monitoring under different network connectivity. Analysis shows that under given network design matrix, contributions from hybrid BD / GPS have enhanced network sensitivity and ensured monitoring performance under challenged scenarios. Related tests combining with application to stringent dam monitoring have been conducted to exemplify sensitivity changes along vital engineering directions and optimal schemes for network configuration. Numéro de notice : A2016-969 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : 10.1515/jag-2016-0002 En ligne : https://doi.org/10.1515/jag-2016-0002 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=83675
in Journal of applied geodesy > vol 10 n° 3 (September 2016) . - pp 159 – 166[article]Monitoring 3D vibrations in structures using high-resolution blurred imagery / David M.J. McCarhy in Photogrammetric record, vol 31 n° 155 (September - November 2016)
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Titre : Monitoring 3D vibrations in structures using high-resolution blurred imagery Type de document : Article/Communication Auteurs : David M.J. McCarhy, Auteur ; Jim H. Chandler, Auteur ; Alessandro Palmeri, Auteur Année de publication : 2016 Article en page(s) : pp 304 - 324 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie terrestre
[Termes IGN] déformation d'édifice
[Termes IGN] données localisées 3D
[Termes IGN] image floue
[Termes IGN] résistance des matériaux
[Termes IGN] surveillance d'ouvrage
[Termes IGN] test statistique
[Termes IGN] vibrationRésumé : (Auteur) Photogrammetry has been used in the past to monitor the laboratory testing of civil engineering structures using multiple image-based sensors. This has been successful, but detecting vibrations during dynamic structural tests has proved more challenging because they usually depend on high-speed cameras which often results in lower image resolutions and reduced accuracy. To overcome this limitation, a novel approach has been devised to take measurements from blurred images in long-exposure photographs. The motion of the structure is captured in individual motion-blurred images without dependence on imaging speed. A bespoke algorithm then determines each measurement point's motion. Using photogrammetric techniques, a model structure's motion with respect to different excitation frequencies is captured and its vibration envelope recreated in 3D. The approach is tested and used to identify changes in the model's vibration response. Numéro de notice : A2016-723 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1111/phor.12156 Date de publication en ligne : 18/09/2016 En ligne : https://doi.org/10.1111/phor.12156 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=82251
in Photogrammetric record > vol 31 n° 155 (September - November 2016) . - pp 304 - 324[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 106-2016031 RAB Revue Centre de documentation En réserve L003 Disponible The contribution of laser scanning technology in the estimation of ancient Greek monuments' deformations / G. D. Georgopoulos in Survey review, vol 48 n° 349 (July 2016)
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Titre : The contribution of laser scanning technology in the estimation of ancient Greek monuments' deformations Type de document : Article/Communication Auteurs : G. D. Georgopoulos, Auteur ; E. C. Telioni, Auteur ; A. Tsontzou, Auteur Année de publication : 2016 Article en page(s) : pp 303 - 308 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Lasergrammétrie
[Termes IGN] déformation d'édifice
[Termes IGN] Grèce
[Termes IGN] monument historique
[Termes IGN] patrimoine immobilier
[Termes IGN] restitution lasergrammétrique
[Termes IGN] surveillance d'ouvrage
[Termes IGN] templeRésumé : (auteur) Terrestrial laser scanning technology is nowadays more and more used for the documentation of cultural heritage monuments. The thorough exploitation of the main advantage of terrestrial laser scanners (TLS) that is the acquisition of extremely dense discrete points in a relatively small time period leads to detailed 3D representation of the monument, overcoming possible difficulties such as limited accessibility. Most often, this 3D representation is used for the monument's documentation as well as for virtual tours in, out or around it. This detailed documentation can be used for one more purpose: the estimation of the deformation that its elements have experienced through the centuries and, following, the monument's restoration, provided that, its' initial, constructional geometry is known. In this paper, research towards this goal is presented, dealing with the estimation of the deformations of a column of the ancient temple of Zeus in Nemea Greece using TLS technology. This column is standing erect since the temple's construction in 330 BC and it has been subject to serious deformations because of various causes. Numéro de notice : A2016-627 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1179/1752270615Y.0000000035 En ligne : https://doi.org/10.1179/1752270615Y.0000000035 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=81844
in Survey review > vol 48 n° 349 (July 2016) . - pp 303 - 308[article]Design and implementation of a modern automatic deformation monitoring system : Towards an open source software platform for geodetical and geotechnical measurements / Philipp Engel in Journal of applied geodesy, vol 10 n° 1 (March 2016)
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Titre : Design and implementation of a modern automatic deformation monitoring system : Towards an open source software platform for geodetical and geotechnical measurements Type de document : Article/Communication Auteurs : Philipp Engel, Auteur ; Björn Schweimler, Auteur Année de publication : 2016 Article en page(s) : pp 79 - 85 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Topographie
[Termes IGN] auscultation d'ouvrage
[Termes IGN] automatisation
[Termes IGN] déformation d'édifice
[Termes IGN] logiciel libre
[Termes IGN] prototype
[Termes IGN] surveillance d'ouvrage
[Termes IGN] topométrie de précisionRésumé : (auteur) The deformation monitoring of structures and buildings is an important task field of modern engineering surveying, ensuring the standing and reliability of supervised objects over a long period. Several commercial hardware and software solutions for the realization of such monitoring measurements are available on the market. In addition to them, a research team at the University of Applied Sciences in Neubrandenburg (NUAS) is actively developing a software package for monitoring purposes in geodesy and geotechnics, which is distributed under an open source licence and free of charge.
The task of managing an open source project is well-known in computer science, but it is fairly new in a geodetic context. This paper contributes to that issue by detailing applications, frameworks, and interfaces for the design and implementation of open hardware and software solutions for sensor control, sensor networks, and data management in automatic deformation monitoring. It will be discussed how the development effort of networked applications can be reduced by using free programming tools, cloud computing technologies, and rapid prototyping methods.Numéro de notice : A2016-555 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : 10.1515/jag-2015-0024 En ligne : http://dx.doi.org/10.1515/jag-2015-0024 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=81708
in Journal of applied geodesy > vol 10 n° 1 (March 2016) . - pp 79 - 85[article]Les laboratoires de topométrie et de photogrammétrie / Vincent Barras in Géomatique suisse, vol 114 n° 3 (mars 2016)PermalinkPermalinkStudy and development of a laser based alignment system for the compact linear collider / Guillaume Stern (2016)PermalinkSurveillance de santé structurale des ouvrages d’art incluant les systèmes de positionnement par satellites / Camille Favre (2016)PermalinkL'ingénierie géodésique appliquée à la construction des hautes tours / Joël Van Cranenbroeck in XYZ, n° 145 (décembre 2015 - février 2016)PermalinkEtude de l'homogénéité d'une surface non régulière / Claire Blondeau in XYZ, n° 144 (septembre - novembre 2015)PermalinkDevelopment of large concrete object geometrical model based on terrestrial laser scanning / Janina Zaczek-Peplinska in Reports on geodesy and geoinformatics, vol 97 (December 2014)PermalinkImproved area-based deformation analysis of a radio telescope’s main reflector based on terrestrial laser scanning / Christoph Holst in Journal of applied geodesy, vol 9 n° 1 (March 2015)PermalinkAnalyse temps-frequence et traitement des signaux RSO à haute résolution spatiale pour la surveillance des grands ouvrages d'art / Andrei Anghel (2015)PermalinkDetermination of precise gravity field for the CLIC feasibility studies / Sébastien Guillaume (2015)Permalink