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Full-wave calibration of time- and frequency-domain ground-penetrating radar in far-field conditions / Mohammad Reza Mahmoudzadeh Ardekani in IEEE Transactions on geoscience and remote sensing, vol 52 n° 1 tome 2 (January 2014)
[article]
Titre : Full-wave calibration of time- and frequency-domain ground-penetrating radar in far-field conditions Type de document : Article/Communication Auteurs : Mohammad Reza Mahmoudzadeh Ardekani, Auteur ; Sébastien Lambot, Auteur Année de publication : 2014 Article en page(s) : pp 664 - 678 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] étalonnage d'instrument
[Termes IGN] forme d'onde pleine
[Termes IGN] fréquence
[Termes IGN] image radar
[Termes IGN] radar pénétrant GPR
[Termes IGN] tempsRésumé : (Auteur) Full-wave modeling of ground-penetrating radar (GPR) data using Green's functions for wave propagation in planar layered media and antenna characteristic global reflection and transmission functions for describing far-field antenna effects, including antenna-medium interactions, has shown a great potential for nondestructive characterization of soils and materials. The accuracy of the retrieved parameters in the GPR data inversion depends on the accuracy of the GPR external calibration. In this research, we studied the stability and the repeatability of two different GPR systems, namely, frequency- and time-domain systems. A combination of a vector network analyzer and 800-5200 MHz horn antenna was used as a frequency-domain GPR (FD-GPR) whereas a GSSI GPR system using a 900 MHz bowtie antenna was used as a time-domain GPR (TD-GPR). Both GPR systems including their antennas were calibrated several times using measurements with the antennas at different heights over a perfect electric conductor (PEC) in the laboratory as well as over a water layer. In addition, measurements were performed over a thin water layer and a relatively thick sandy soil layer as validating medium. The results showed that the FD-GPR is relatively stable while the TD-GPR presents a significant drift which can be accounted for using corrections based on the air direct-coupling waves (free-space measurements). Water- and PEC-based calibrations provided very similar results for the GPR calibration functions. Inversions for the water layer and the sandy soil layer provided reliable results and showed a high degree of the repeatability for both radar systems. The error on the calibration based on inaccurate antenna heights over PEC showed the significant errors on the inversion results for the directive antenna (horn antenna) but less error for the bowtie antenna. This analysis demonstrated the general validity of the proposed far-field radar modeling approach, not only with respect to frequency and time domain radars but as well with respect to the calibrating medium. Numéro de notice : A2014-039 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2013.2243458 En ligne : https://doi.org/10.1109/TGRS.2013.2243458 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32944
in IEEE Transactions on geoscience and remote sensing > vol 52 n° 1 tome 2 (January 2014) . - pp 664 - 678[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 065-2014011B RAB Revue Centre de documentation En réserve L003 Disponible Digital elevation quality derived from medium-format digital cameras / Peter T. Y. Shih in Photogrammetric record, vol 28 n° 144 (December 2013 - February 2014)
[article]
Titre : Digital elevation quality derived from medium-format digital cameras Type de document : Article/Communication Auteurs : Peter T. Y. Shih, Auteur ; J.Y. Wu, Auteur ; et al., Auteur Année de publication : 2013 Article en page(s) : pp 416 - 435 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications photogrammétriques
[Termes IGN] analyse comparative
[Termes IGN] appariement automatique
[Termes IGN] chambre à moyen format
[Termes IGN] données lidar
[Termes IGN] modèle numérique de surface
[Termes IGN] qualité des données
[Termes IGN] semis de pointsRésumé : (Auteur) Medium-format digital cameras are a useful tool in airborne lidar missions to produce digital ortho-images. This study investigates the quality of digital elevation models (DEMs) and digital surface models (DSMs) derived from such cameras. An image-matching strategy is used to produce height information from highly overlapping images and the quality of the derived height information is analysed using synchronous lidar point clouds as the reference data. The evaluation focused on various types of land cover and DEM generation methods. The RMSE between lidar and image-derived height information for two datasets was 0·054% and 0·027% of the flying height in flat, bare-earth areas, but studies with manually edited vegetated areas using stereo photogrammetry revealed high uncertainties, especially in steep terrain. Numéro de notice : A2013-631 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1111/phor.12039 Date de publication en ligne : 09/12/2013 En ligne : https://doi.org/10.1111/phor.12039 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32767
in Photogrammetric record > vol 28 n° 144 (December 2013 - February 2014) . - pp 416 - 435[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 106-2013041 RAB Revue Centre de documentation En réserve L003 Disponible Processing and calibration of submillimeter Fourier transform radiometer spectra from the RHUBC-II campaign / Scott N. Paine in IEEE Transactions on geoscience and remote sensing, vol 51 n° 12 (December 2013)
[article]
Titre : Processing and calibration of submillimeter Fourier transform radiometer spectra from the RHUBC-II campaign Type de document : Article/Communication Auteurs : Scott N. Paine, Auteur ; David D. Turner, Auteur Année de publication : 2013 Article en page(s) : pp 5187 - 5198 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] analyse en composantes principales
[Termes IGN] Chili
[Termes IGN] étalonnage radiométrique
[Termes IGN] précision submillimétrique
[Termes IGN] propagation troposphérique
[Termes IGN] radiosondage
[Termes IGN] spectromètre
[Termes IGN] transformation de FourierRésumé : (Auteur) The Radiative Heating in Underexplored Bands Campaign-II, conducted in 2009 from a high-altitude site in northern Chile, combined ground-based radiometry with radiosonde measurements of atmospheric state, for the purpose of testing atmospheric radiation models under conditions strongly influenced by water vapor in the middle to upper troposphere. A suite of broadband Fourier transform spectrometers (FTSs) measured the entire terrestrial thermal radiance spectrum from 1000- to 3.3-um wavelength. The submillimeter portion of the spectrum, from 1000 to 85 um (300-3500 GHz) was covered by a polarizing FTS referred to as the Smithsonian Astrophysical Observatory (SAO) FTS. Here, we describe data processing and radiometric calibration algorithms for this instrument. These include correction of interferograms for periodic sampled lag error, development of a temperature-dependent instrument calibration model, and principal component analysis of the complete set of spectra acquired during the campaign. Numéro de notice : A2013-693 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2012.2231869 En ligne : https://doi.org/10.1109/TGRS.2012.2231869 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32829
in IEEE Transactions on geoscience and remote sensing > vol 51 n° 12 (December 2013) . - pp 5187 - 5198[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 065-2013121 RAB Revue Centre de documentation En réserve L003 Disponible Airborne prism experiment calibration information system / Andreas Hueni in IEEE Transactions on geoscience and remote sensing, vol 51 n° 11 (November 2013)
[article]
Titre : Airborne prism experiment calibration information system Type de document : Article/Communication Auteurs : Andreas Hueni, Auteur ; Karim Lenhard, Auteur ; Andreas Baumgartner, Auteur ; Michael E. Schaepman, Auteur Année de publication : 2013 Article en page(s) : pp 5169 - 5180 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] Airborne Prism Experiment
[Termes IGN] base de données relationnelles
[Termes IGN] capteur en peigne
[Termes IGN] étalonnage de capteur (imagerie)
[Termes IGN] image APEX
[Termes IGN] Java (langage de programmation)
[Termes IGN] Matlab
[Termes IGN] spectromètre imageur
[Termes IGN] spectroscopie
[Termes IGN] traçabilitéRésumé : (Auteur) The calibration of remote sensing instruments is a crucial step in the generation of products tied to international reference standards. Calibrating imaging spectrometers is particularly demanding due to the high number of spatiospectral pixels and, consequently, the large amount of data acquired during calibration sequences. Storage of these data and associated metadata in an organized manner, as well as the provision of efficient tools for the data analysis and fast and repeatable calibration coefficient generation with provenance information, is key to the provision of traceable measurements. The airborne prism experiment (APEX) calibration information system is a multilayered information technology solution comprising a database based on the entity-attribute-value (EAV) paradigm and software written in Java and Matlab, providing data access, visualization and processing, and handling the data volumes over the expected lifetime of the system. Although developed in the context of APEX, the system is rather generic and may be adapted to other pushbroom-based imagers with little effort. Numéro de notice : A2013-615 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2013.2246575 En ligne : https://doi.org/10.1109/TGRS.2013.2246575 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32751
in IEEE Transactions on geoscience and remote sensing > vol 51 n° 11 (November 2013) . - pp 5169 - 5180[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 065-2013111 RAB Revue Centre de documentation En réserve L003 Disponible Assessment of an ancient bridge combining geophysical and advanced photogrammetric methods: Application to the Pont De Coq / Cyrille Fauchard in Journal of applied geophysics, vol 98 (November 2013)
[article]
Titre : Assessment of an ancient bridge combining geophysical and advanced photogrammetric methods: Application to the Pont De Coq Type de document : Article/Communication Auteurs : Cyrille Fauchard, Auteur ; Raphaël Antoine, Auteur ; Frédéric Bretar, Auteur ; Julien Lacogne, Auteur ; Yannick Fargier, Auteur ; Cindy Maisonnave, Auteur ; Vincent Guilbert, Auteur ; Pierre Marjerie, Auteur ; Paul-Franck Thérain, Auteur ; Jean-Paul Dupont, Auteur ; Marc Pierrot-Deseilligny , Auteur Année de publication : 2013 Projets : 1-Pas de projet / Article en page(s) : pp 100 -112 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications photogrammétriques
[Termes IGN] APERO
[Termes IGN] auscultation d'ouvrage
[Termes IGN] MicMac
[Termes IGN] modèle 3D du site
[Termes IGN] ouvrage d'art
[Termes IGN] patrimoine immobilier
[Termes IGN] photogrammétrie numérique
[Termes IGN] pont
[Termes IGN] radar pénétrant GPR
[Termes IGN] surveillance d'ouvrage
[Termes IGN] tomographieRésumé : (auteur) A high resolution geophysical survey was carried out on the Pont De Coq, a medieval stone arch bridge located in Normandy (France) in 2011 and 2012. Two complementary methods are used: Electrical Resistivity Tomography (ERT) and Ground Penetrating Radar (GPR). They allow to evaluate the structural state of the bridge and to characterize the subsurface around and beneath the bridge. An excellent correlation is obtained between the geophysical methods and the geological data obtained around the bridge. In order to improve the restitution of the geophysical data, an advanced photogrammetric method is performed, providing a high resolution 3D Digital Terrain Model (DTM) of the Pont de Coq. The advanced photogrammetry enhances the presentation of the GPR and ERT data. This approach is an easy-to-use, rapid and cost-effective tool for stakeholders. Finally, it is a promising and original method for improved interpretations of future geophysical surveys. Numéro de notice : A2013-810 Affiliation des auteurs : LASTIG MATIS+Ext (2012-2019) Thématique : IMAGERIE Nature : Article DOI : 10.1016/j.jappgeo.2013.08.009 Date de publication en ligne : 26/08/2013 En ligne : https://doi.org/10.1016/j.jappgeo.2013.08.009 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=80094
in Journal of applied geophysics > vol 98 (November 2013) . - pp 100 -112[article]Geospatial web-based sensor information model for integrating satellite observation: An example in the field of flood disaster management / Chuli Hu in Photogrammetric Engineering & Remote Sensing, PERS, vol 79 n° 10 (October 2013)PermalinkImprovement of GPS/acoustic seafloor positioning precision through controlling the ship’s track line / M. Sato in Journal of geodesy, vol 87 n° 9 (September 2013)PermalinkA sky status indicator to detect rain-affected atmospheric thermal emissions observed at ground / Ada Vittoria Bosisio in IEEE Transactions on geoscience and remote sensing, vol 51 n° 9 (September 2013)PermalinkThe space oblique conic projection / Liucheng Ren in Cartography and Geographic Information Science, vol 40 n° 4 (September 2013)PermalinkUsing video acquired from an unmanned aerial vehicle (UAV) to measure fracture orientation in an open-pit mine / Tara McLeod in Geomatica, vol 67 n° 3 (September 2013)PermalinkCoherent change detection using passive GNSS-based BSAR: experimental proof of concept / F. Liu in IEEE Transactions on geoscience and remote sensing, vol 51 n° 8 (August 2013)PermalinkSparse representation of GPR traces with application to signal classification / Wenbin Shao in IEEE Transactions on geoscience and remote sensing, vol 51 n° 7 Tome 1 (July 2013)PermalinkÉlaboration de la cartographie des échos du sol d’un radar météorologique à l’aide du modèle numérique de terrain (SRTM) / Abdenasser Djafri in Revue internationale de géomatique, vol 23 n° 2 (juin - aout 2013)PermalinkGeometric analysis and self-calibration of ADS40 imagery / Sara Gonzalez in Photogrammetric record, vol 28 n° 142 (June - August 2013)PermalinkThree-dimensional reconstruction of man-made objects using polarimetric tomographic / Shi-Qi Xing in IEEE Transactions on geoscience and remote sensing, vol 51 n° 6 Tome 2 (June 2013)Permalink