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An automated algorithm for extracting road edges from terrestrial mobile LiDAR data / Pankaj Kumar in ISPRS Journal of photogrammetry and remote sensing, vol 85 (November 2013)
[article]
Titre : An automated algorithm for extracting road edges from terrestrial mobile LiDAR data Type de document : Article/Communication Auteurs : Pankaj Kumar, Auteur ; Conor P. Mcelhinney, Auteur ; Paul Lewis, Auteur ; et al., Auteur Année de publication : 2013 Article en page(s) : pp 44 - 55 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Lasergrammétrie
[Termes IGN] données lidar
[Termes IGN] données localisées 3D
[Termes IGN] extraction automatique
[Termes IGN] extraction du réseau routier
[Termes IGN] semis de points
[Termes IGN] télémétrie laser terrestreRésumé : (Auteur) Terrestrial mobile laser scanning systems provide rapid and cost effective 3D point cloud data which can be used for extracting features such as the road edge along a route corridor. This information can assist road authorities in carrying out safety risk assessment studies along road networks. The knowledge of the road edge is also a prerequisite for the automatic estimation of most other road features. In this paper, we present an algorithm which has been developed for extracting left and right road edges from terrestrial mobile LiDAR data. The algorithm is based on a novel combination of two modified versions of the parametric active contour or snake model. The parameters involved in the algorithm are selected empirically and are fixed for all the road sections. We have developed a novel way of initialising the snake model based on the navigation information obtained from the mobile mapping vehicle. We tested our algorithm on different types of road sections representing rural, urban and national primary road sections. The successful extraction of road edges from these multiple road section environments validates our algorithm. These findings and knowledge provide valuable insights as well as a prototype road edge extraction tool-set, for both national road authorities and survey companies. Numéro de notice : A2013-606 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2013.08.003 En ligne : https://doi.org/10.1016/j.isprsjprs.2013.08.003 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32742
in ISPRS Journal of photogrammetry and remote sensing > vol 85 (November 2013) . - pp 44 - 55[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 081-2013111 RAB Revue Centre de documentation En réserve L003 Disponible Dossier mondialisation : comprendre le monde et ses réseaux / Marie-Françoise Durand in Carto, le monde en cartes, n° 20 (novembre - décembre 2013)
[article]
Titre : Dossier mondialisation : comprendre le monde et ses réseaux Type de document : Article/Communication Auteurs : Marie-Françoise Durand, Auteur ; Thomas Ansart, Auteur ; Philippe Copinschi, Auteur ; et al., Auteur Année de publication : 2013 Article en page(s) : pp 10 - 21 Langues : Français (fre) Descripteur : [Vedettes matières IGN] Economie internationale
[Termes IGN] commerce international
[Termes IGN] mondialisation économiqueRésumé : (Auteur) Le terme mondialisation est prononcé tous les jours, souvent compris comme un synonyme d'économie globalisée et une source de problème (chômage, inégalités sociales, perte de souveraineté, etc.), parfois entendu comme un processus d'ouverture culturelle, d'échanges, de dépassement des frontières terrestres et numériques. La mondialisation est un objet de débat politique, reflétant un phénomène complexe et aux multiples facettes. Numéro de notice : A2013-587 Affiliation des auteurs : non IGN Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32723
in Carto, le monde en cartes > n° 20 (novembre - décembre 2013) . - pp 10 - 21[article]Finding the right algorithm: low-cost, single-frequency GPS-GLONASS RTK for road users / Sébastien Carcanague in Inside GNSS, vol 8 n° 6 (November - December 2013)
[article]
Titre : Finding the right algorithm: low-cost, single-frequency GPS-GLONASS RTK for road users Type de document : Article/Communication Auteurs : Sébastien Carcanague, Auteur ; Willy Vigneau, Auteur ; Olivier Julien, Auteur ; et al., Auteur Année de publication : 2013 Article en page(s) : 11 p. ; pp 70 - 80 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Navigation et positionnement
[Termes IGN] filtre de Kalman
[Termes IGN] milieu urbain
[Termes IGN] navigation automobile
[Termes IGN] positionnement cinématique en temps réel
[Termes IGN] récepteur GNSS
[Termes IGN] récepteur monofréquence
[Termes IGN] test de performanceRésumé : (Editeur) Urban navigation would greatly benefit from higher accuracy and more reliable positioning, especially in signal-challenged environments. Multiconstellation real-time kinematic RTK techniques can contribute to a solution, but typically they require expensive equipment. A team of research engineers tested a new algorithm on low-cost consumer GNSS receiver with promising results. Numéro de notice : A2013-726 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32862
in Inside GNSS > vol 8 n° 6 (November - December 2013) . - 11 p. ; pp 70 - 80[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 159-2013061 SL Revue Centre de documentation Revues en salle Disponible Documents numériques
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a2013-726_finding_the_right_algorithm_carcanague.pdfAdobe Acrobat PDF Geoscience data provenance : An overview / Liping Di in IEEE Transactions on geoscience and remote sensing, vol 51 n° 11 (November 2013)
[article]
Titre : Geoscience data provenance : An overview Type de document : Article/Communication Auteurs : Liping Di, Auteur ; Peng Yue, Auteur ; et al., Auteur Année de publication : 2013 Article en page(s) : pp 5065 - 5072 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique
[Termes IGN] acquisition de données
[Termes IGN] cyberinfrastructure
[Termes IGN] données localisées
[Termes IGN] état de l'art
[Termes IGN] processus spatio-temorel
[Termes IGN] service web
[Termes IGN] source de données
[Termes IGN] utilisateurRésumé : (Auteur) The advancement of Earth observing sensors, data, and information systems enhances significantly the capabilities to access and process large volumes of geoscience data, which are often consumed by scientific workflows and processed in a distributed information environment. Consequently, data provenance becomes important since it allows users to determine the usability and reliability of data products. Motivation for capturing and sharing provenance also comes from the distributed data and information infrastructure that has been benefiting the Earth science community in the past decade, such as spatial data and information infrastructure, e-Science, and cyberinfrastructure. This paper provides an overview of geoscience data provenance in supporting provenance-aware geoscience data and information systems by summarizing state-of-the-art technologies and methodologies of geoscience data provenance and highlighting key considerations and possible solutions for geoscience data provenance. Numéro de notice : A2013-610 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1109/TGRS.2013.2242478 En ligne : https://doi.org/10.1109/TGRS.2013.2242478 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32746
in IEEE Transactions on geoscience and remote sensing > vol 51 n° 11 (November 2013) . - pp 5065 - 5072[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 065-2013111 RAB Revue Centre de documentation En réserve L003 Disponible Hunting for GNSS echoes: analysis of signal tracking techniques for multipath mitigation / Antonio Fernandez in GPS world, vol 24 n° 11 (November 2013)
[article]
Titre : Hunting for GNSS echoes: analysis of signal tracking techniques for multipath mitigation Type de document : Article/Communication Auteurs : Antonio Fernandez, Auteur ; Mariano Wis, Auteur ; et al., Auteur Année de publication : 2013 Article en page(s) : pp 44 - 50 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement du signal
[Termes IGN] correction du trajet multiple
[Termes IGN] signal GNSS
[Termes IGN] traitement de données GNSS
[Termes IGN] trajet multipleRésumé : (Editeur) [...] The team of researchers involved with ARTEMISA describe their efforts to generate synthetic multipath for GPS L1 and Galileo E1 signals and to test different signal tracking techniques in a simulated receiver to see which techniques best minimize the effects of multipath on positioning solutions and which might be feasible candidates for incorporating in real receivers. The hunt is on. Numéro de notice : A2013-585 Affiliation des auteurs : non IGN Thématique : IMAGERIE/POSITIONNEMENT Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=32721
in GPS world > vol 24 n° 11 (November 2013) . - pp 44 - 50[article]Réservation
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