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Development of a web-based geographic information system for planetary geological mission planning and analysis / Maxime Phaneuf in Geomatica, vol 65 n° 2 (June 2011)
[article]
Titre : Development of a web-based geographic information system for planetary geological mission planning and analysis Type de document : Article/Communication Auteurs : Maxime Phaneuf, Auteur ; M. Germain, Auteur ; V. Hipkin, Auteur ; et al., Auteur Année de publication : 2011 Article en page(s) : pp 157 - 166 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Systèmes d'information géographique
[Termes IGN] données géologiques
[Termes IGN] mission spatiale
[Termes IGN] standard OGC
[Termes IGN] WebSIGRésumé : (Auteur) Several announcements in recent years by the United States and Canadian governments featuring their space exploration plan have one major thing in common: mission preparation at terrestrial analogue sites. Mission simulations carried out at these sites often involve traverses that allow access to areas of special interest needed to meet mission’s objectives. Despite many recommendations, no WEB-based geographic information system exists for terrestrial analogues for mission planning. This paper reports the development of a WEB-based geographic information system for terrestrial analogues, illustrated using the example of the Haughton impact crater analogue site. This system demonstrates functionality that provides users with tools to plan their missions by enabling traverse planning between areas of interest based on a least cost path analysis method. The geographic information system will be composed of open source libraries and software, and will be compliant with Open GeoSpatial Consortium standards. Numéro de notice : A2011-540 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Article DOI : 10.5623/cig2011-024 En ligne : https://doi.org/10.5623/cig2011-024 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31434
in Geomatica > vol 65 n° 2 (June 2011) . - pp 157 - 166[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 035-2011021 RAB Revue Centre de documentation En réserve L003 Disponible Georeferencing performance of THEOS satellite imagery / S. Liu in Photogrammetric record, vol 26 n° 134 (June - August 2011)
[article]
Titre : Georeferencing performance of THEOS satellite imagery Type de document : Article/Communication Auteurs : S. Liu, Auteur ; Clive Simpson Fraser, Auteur ; C. Zhang, Auteur ; et al., Auteur Année de publication : 2011 Article en page(s) : pp 250 - 262 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] géoréférencement direct
[Termes IGN] image à très haute résolution
[Termes IGN] image Theos
[Termes IGN] ligne de visée
[Termes IGN] Melbourne
[Termes IGN] modèle géométrique de prise de vue
[Termes IGN] orientation du capteur
[Termes IGN] point d'appui
[Termes IGN] THEOSRésumé : (Auteur) This paper reports on the application of a generic physical sensor orientation model for evaluation of the georeferencing performance of 2 m resolution imagery from the Thailand Earth Observation System (THEOS) satellite. Within the generic sensor orientation model, orbit and attitude data are employed to describe the satellite trajectory, which is further modelled by splines. The satellite orbit and sensor attitude errors are then compensated via sensor orientation adjustment using a modest number of ground control points (GCPs), resulting in improved georeferencing. The generic sensor model and the integration of the THEOS orientation parameters into the model are first described. The presence of errors in the satellite line-of-sight data, which result in imprecise sensor interior orientation are then discussed. Such errors can be effectively accounted for through modelling via a cubic polynomial, leading to sub-pixel georeferencing accuracy. An account is then given of an experimental evaluation of THEOS georeferencing conducted in a well-established testfield near Melbourne, Australia. The results demonstrate that sub-pixel 2D geopositioning accuracy is readily achievable with single THEOS images and within strips of up to three images, with as few as six GCPs to effect an orbit adjustment. However, accuracy decreases to near the 2-pixel level over a strip length of five images. Numéro de notice : A2011-243 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.1111/j.1477-9730.2011.00634.x Date de publication en ligne : 06/06/2011 En ligne : https://doi.org/10.1111/j.1477-9730.2011.00634.x Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31021
in Photogrammetric record > vol 26 n° 134 (June - August 2011) . - pp 250 - 262[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 106-2011021 RAB Revue Centre de documentation En réserve L003 Disponible GRACE-derived surface water mass anomalies by energy integral approach: application to continental hydrology / Guillaume Ramillien in Journal of geodesy, vol 85 n° 6 (June 2011)
[article]
Titre : GRACE-derived surface water mass anomalies by energy integral approach: application to continental hydrology Type de document : Article/Communication Auteurs : Guillaume Ramillien, Auteur ; Richard Biancale, Auteur ; et al., Auteur Année de publication : 2011 Article en page(s) : pp 313 - 328 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie physique
[Termes IGN] anomalie de pesanteur
[Termes IGN] données GRACE
[Termes IGN] orbitographie
[Termes IGN] pesanteur terrestre
[Termes IGN] surface de l'eau
[Termes IGN] variation temporelleRésumé : (Auteur) We propose an unconstrained approach to recover regional time-variations of surface mass anomalies using Level-1 Gravity Recovery and Climate Experiment (GRACE) orbit observations, for reaching spatial resolutions of a few hundreds of kilometers. Potential differences between the twin GRACE vehicles are determined along short satellite tracks using the energy integral method (i.e., integration of orbit parameters vs. time) in a quasi-inertial terrestrial reference frame. Potential differences residuals corresponding mainly to changes in continental hydrology are then obtained after removing the gravitational effects of the known geophysical phenomena that are mainly the static part of the Earth’s gravity field and time-varying contributions to gravity (Sun, Moon, planets, atmosphere, ocean, tides, variations of Earth’s rotation axis) through ad hoc models. Regional surface mass anomalies are restored from potential difference anomalies of 10 to 30-day orbits onto 1° continental grids by regularization techniques based on singular value decomposition. Error budget analysis has been made by considering the important effects of spectrum truncation, the time length of observation (or spatial coverage of the data to invert) and for different levels of noise. Numéro de notice : A2011-302 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s00190-010-0438-7 Date de publication en ligne : 11/01/2011 En ligne : https://doi.org/10.1007/s00190-010-0438-7 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31081
in Journal of geodesy > vol 85 n° 6 (June 2011) . - pp 313 - 328[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 266-2011061 RAB Revue Centre de documentation En réserve L003 Disponible Precise orbit determination of GIOVE-B based on the CONGO network / P. Steinberger in Journal of geodesy, vol 85 n° 6 (June 2011)
[article]
Titre : Precise orbit determination of GIOVE-B based on the CONGO network Type de document : Article/Communication Auteurs : P. Steinberger, Auteur ; Urs Hugentobler, Auteur ; et al., Auteur Année de publication : 2011 Article en page(s) : pp 357 - 365 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Techniques orbitales
[Termes IGN] Galileo
[Termes IGN] GIOVE (satellite)
[Termes IGN] orbitographie
[Termes IGN] poursuite de satelliteRésumé : (Auteur) GIOVE-B is one of two test satellites for the future European Global Navigation Satellite System Galileo. The Cooperative Network for GIOVE Observation (CONGO) is a global tracking network of GIOVE-capable receivers established by Deutsches Zentrum für Luft- und Raumfahrt (DLR) and Bundesamt für Kartographie und Geodäsie (BKG). This network provides the basis for the precise orbit determination of the GIOVE-B satellite for the time period 29 June till 27 October 2009 with a modified version of the Bernese GPS Software. Different arc lengths and sets of orbit parameters were tested. These tests showed that the full set of nine radiation pressure parameters resulted in a better performance than the reduced set of five parameters. An internal precision of about one to two decimeters could be demonstrated for the central day of 5-day solutions. The orbit predictions have a precision of about 1 m for a prediction period of 24 h. External validations with Satellite Laser Ranging (SLR) show residuals on the level of 12 cm. The accuracy of the final orbits is expected to be on the few decimeter level. Numéro de notice : A2011-303 Affiliation des auteurs : non IGN Thématique : IMAGERIE/POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s00190-011-0443-5 Date de publication en ligne : 29/01/2011 En ligne : https://doi.org/10.1007/s00190-011-0443-5 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31082
in Journal of geodesy > vol 85 n° 6 (June 2011) . - pp 357 - 365[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 266-2011061 RAB Revue Centre de documentation En réserve L003 Disponible A new stereo algorithm based on snakes / E. Simioni in Photogrammetric Engineering & Remote Sensing, PERS, vol 77 n° 5 (May 2011)
[article]
Titre : A new stereo algorithm based on snakes Type de document : Article/Communication Auteurs : E. Simioni, Auteur ; G. Naletto, Auteur ; et al., Auteur Année de publication : 2011 Article en page(s) : pp 495 - 507 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image
[Termes IGN] appariement automatique
[Termes IGN] appariement d'images
[Termes IGN] généralisation géométrique (de visualisation)
[Termes IGN] mission spatiale
[Termes IGN] modèle numérique de terrain
[Termes IGN] modèle stéréoscopique
[Termes IGN] reconstruction d'objet
[Termes IGN] surface (géométrie)Résumé : (Auteur) As part of the ongoing activities for the European space mission BepiColombo to Mercury, a new stereo-matching algorithm is here proposed: this algorithm uses deformable surfaces, or snakes, to find a dense disparity map. Subject to both external and internal forces, respectively represented by the similarity function and by smoothness constraints on the disparity map, a "deformable" disparity map evolves from an initial approximate state to an optimal one in which the algorithm has reached convergence. This algorithm is expected to provide one of the image matching tools for the Digital Terrain Model generation procedure that will be used by the BepiColombo stereo camera. To check the algorithm, tests have been performed on synthetic images derived from 3D models of geological features relevant to planetary science. The results show that it is possible to obtain an image measurement accuracy comparable to the one attainable with the Least Squares Matching algorithm. In addition, less object smoothing can be obtained since the object points are not derived by a large scale averaging over a terrain patch, as for example, in area-based methods; this means that more details of the terrain can be captured. Finally, because of the continuity constraint, this method is also expected to be robust in case of blunders in the reconstruction of the parallax field. Numéro de notice : A2011-170 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.14358/PERS.77.5.495 En ligne : https://doi.org/10.14358/PERS.77.5.495 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30948
in Photogrammetric Engineering & Remote Sensing, PERS > vol 77 n° 5 (May 2011) . - pp 495 - 507[article]L'observation en très haute résolution / Laurent Polidori in Géomètre, n° 2080 (avril 2011)PermalinkRésultats récents du centre français GRGS d'analyse de données de télémétrie laser sur satellites / Florent Deleflie in Bulletin d'information scientifique et technique de l'IGN, n° 77 (avril 2011)PermalinkLa théorie cinétique des gaz et la géodésie / Etienne Bernard in Bulletin d'information scientifique et technique de l'IGN, n° 77 (avril 2011)PermalinkLa 3ème journée de l'imagerie géospatiale / Anonyme in Géomatique expert, n° 79 (01/03/2011)PermalinkGGSP : Realisation and maintenance of the Galileo terrestrial reference frame / Gerd Gendt in Advances in space research, vol 47 n° 2 ([15/01/2011])PermalinkObservation de la Terre par télédétection, 1. Fondements physiques, méthodologiques et technologiques, volume 1 / François Becker (2011)PermalinkL'occupation du sol fait ses preuves en région / Françoise de Blomac in SIG la lettre, n° 123 (janvier 2011)PermalinkSatellites / Michel Capderou (2011)PermalinkDORIS/Jason-2: Better than 10 cm on-board orbits available for near-real-time altimetry / Christian Jayles in Advances in space research, vol 46 n° 12 (15/12/2010)PermalinkDORIS/SLR POD modeling improvements for Jason-1 and Jason-2 / Nikita P. Zelensky in Advances in space research, vol 46 n° 12 (15/12/2010)Permalink