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Indoor pedestrian navigation using foot-mounted IMU and portable ultrasound range sensors / Gabriel Girard in Sensors, vol 11 n° 8 (August 2011)
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Titre : Indoor pedestrian navigation using foot-mounted IMU and portable ultrasound range sensors Type de document : Article/Communication Auteurs : Gabriel Girard, Auteur ; Stéphane Côté, Auteur ; Sisi Zlatanova, Auteur ; et al., Auteur Année de publication : 2011 Article en page(s) : pp 7606 - 7624 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Navigation et positionnement
[Termes IGN] capteur ultrasonore
[Termes IGN] centrale inertielle
[Termes IGN] navigation pédestre
[Termes IGN] positionnement en intérieur
[Termes IGN] positionnement inertiel
[Termes IGN] poursuite de cible
[Termes IGN] temps réelRésumé : (Auteur) Many solutions have been proposed for indoor pedestrian navigation. Some rely on pre-installed sensor networks, which offer good accuracy but are limited to areas that have been prepared for that purpose, thus requiring an expensive and possibly time-consuming process. Such methods are therefore inappropriate for navigation in emergency situations since the power supply may be disturbed. Other types of solutions track the user without requiring a prepared environment. However, they may have low accuracy. Offline tracking has been proposed to increase accuracy, however this prevents users from knowing their position in real time. This paper describes a real time indoor navigation system that does not require prepared building environments and provides tracking accuracy superior to previously described tracking methods. The system uses a combination of four techniques: foot-mounted IMU (Inertial Motion Unit), ultrasonic ranging, particle filtering and model-based navigation. The very purpose of the project is to combine these four well-known techniques in a novel way to provide better indoor tracking results for pedestrians. Numéro de notice : A2011-624 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : 10.3390/s110807606 En ligne : https://doi.org/10.3390/s110807606 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=33588
in Sensors > vol 11 n° 8 (August 2011) . - pp 7606 - 7624[article]Transverse Mercator with an accuracy of a few nanometers / C. Karney in Journal of geodesy, vol 85 n° 8 (August 2011)
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Titre : Transverse Mercator with an accuracy of a few nanometers Type de document : Article/Communication Auteurs : C. Karney, Auteur Année de publication : 2011 Article en page(s) : pp 475 - 485 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Projections
[Termes IGN] convergence des méridiens
[Termes IGN] ellipsoïde (géodésie)
[Termes IGN] précision submillimétrique
[Termes IGN] projection
[Termes IGN] projection conforme
[Termes IGN] projection de Gauss
[Termes IGN] projection Universal Transverse MercatorRésumé : (Auteur) Implementations of two algorithms for the transverse Mercator projection are described; these achieve accuracies close to machine precision. One is based on the exact equations of Thompson and Lee and the other uses an extension of Krüger’s series for the mapping to higher order. The exact method provides an accuracy of 9 nm over the entire ellipsoid, while the errors in the series method are less than 5 nm within 3900 km of the central meridian. In each case, the meridian convergence and scale are also computed with similar accuracy. The speed of the series method is competitive with other less accurate algorithms and the exact method is about five times slower. Numéro de notice : A2011-357 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s00190-011-0445-3 Date de publication en ligne : 09/02/2011 En ligne : https://doi.org/10.1007/s00190-011-0445-3 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31136
in Journal of geodesy > vol 85 n° 8 (August 2011) . - pp 475 - 485[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 266-2011081 RAB Revue Centre de documentation En réserve L003 Disponible
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Titre : All in a year's work Type de document : Article/Communication Auteurs : C. Dylan, Auteur Année de publication : 2011 Article en page(s) : pp 10 - 12 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Topographie
[Termes IGN] Abou Dabi
[Termes IGN] circuit automobile
[Termes IGN] équipement sportif
[Termes IGN] nivellement par GPS
[Termes IGN] planéité
[Termes IGN] précision millimétrique
[Termes IGN] surveillance d'ouvrageRésumé : (Auteur) Bickhardt Bau is a 1600-person German firm based in Kirchheim that specializes in roadway and racetracks. They completed a word-class formula one circuit under tough conditions in Abu Dhabi in only one year. Since its completion, since then, the Yas Marina Circuit has become the home of the Abu Dhabi Grand Prix, held in November as the last race on the formula one calendar. This article explains how high precision and control was achieved in the project. Numéro de notice : A2011-322 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31101
in Geoinformatics > vol 14 n° 5 (01/07/2011) . - pp 10 - 12[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 262-2011051 SL Revue Centre de documentation Revues en salle Disponible
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Titre : Broadband versus GPS Type de document : Article/Communication Auteurs : Huibert-Jan Lekkerkerk, Auteur Année de publication : 2011 Article en page(s) : pp 14 - 15 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] Global Navigation Satellite System
[Termes IGN] interférence
[Termes IGN] largeur de bande
[Termes IGN] signal GPS
[Termes IGN] système d'extensionRésumé : (Auteur) In the USA, the battle around wide area broadband solution provider LightSquared rages on. LightSquared operates in a frequency band that is overlapping the GPS L1 and is causing interference to that frequency band. In total, over 40 000 ground stations are planned all over the country and the high precision industry in particular could suffer the consequences. John Deere & Company gave the first report of interference to the FCC (Federal Communications Commission). Numéro de notice : A2011-323 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31102
in Geoinformatics > vol 14 n° 5 (01/07/2011) . - pp 14 - 15[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 262-2011051 SL Revue Centre de documentation Revues en salle Disponible Building agent-based walking models by machine-learning on diverse databases of space-time trajectory samples / Paul M. Torrens in Transactions in GIS, vol 15 supplement s1 (July 2011)
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Titre : Building agent-based walking models by machine-learning on diverse databases of space-time trajectory samples Type de document : Article/Communication Auteurs : Paul M. Torrens, Auteur ; W. Griffin, Auteur ; X. Li, Auteur Année de publication : 2011 Article en page(s) : pp 67 - 94 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] agent (intelligence artificielle)
[Termes IGN] analyse spatiale
[Termes IGN] apprentissage automatique
[Termes IGN] base de données spatiotemporelles
[Termes IGN] itinéraire
[Termes IGN] milieu urbain
[Termes IGN] navigation pédestre
[Termes IGN] piéton
[Termes IGN] service fondé sur la position
[Termes IGN] trajet (mobilité)Résumé : (Auteur) We introduce a novel scheme for automatically deriving synthetic walking (locomotion) and movement (steering and avoidance) behavior in simulation from simple trajectory samples. We use a combination of observed and recorded real-world movement trajectory samples in conjunction with synthetic, agent-generated, movement as inputs to a machine-learning scheme. This scheme produces movement behavior for non-sampled scenarios in simulation, for applications that can differ widely from the original collection settings. It does this by benchmarking a simulated pedestrian's relative behavioral geography, local physical environment, and neighboring agent-pedestrians; using spatial analysis, spatial data access, classification, and clustering. The scheme then weights, trains, and tunes likely synthetic movement behavior, per-agent, per-location, per-time-step, and per-scenario. To prove its usefulness, we demonstrate the task of generating synthetic, non-sampled, agent-based pedestrian movement in simulated urban environments, where the scheme proves to be a useful substitute for traditional transition-driven methods for determining agent behavior. The potential broader applications of the scheme are numerous and include the design and delivery of location-based services, evaluation of architectures for mobile communications technologies, what-if experimentation in agent-based models with hypotheses that are informed or translated from data, and the construction of algorithms for extracting and annotating space-time paths in massive data-sets. Numéro de notice : A2011-251 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1111/j.1467-9671.2011.01261.x Date de publication en ligne : 09/06/2011 En ligne : https://doi.org/10.1111/j.1467-9671.2011.01261.x Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31029
in Transactions in GIS > vol 15 supplement s1 (July 2011) . - pp 67 - 94[article]Combining GIS and GPS: introducing a Greek cartographic company / J. Triglav in Geoinformatics, vol 14 n° 5 (01/07/2011)
PermalinkGiving the ‘right’ route directions : the requirements for pedestrian navigation systems / C. Schroder in Transactions in GIS, vol 15 n° 3 (July 2011)
PermalinkIntégration d'infos-trafic temps réel dans un moteur de calcul d'itinéraires : Projet des élèves ingénieur de l'ENSG / Alexandre Pauthonnier in Géomatique expert, n° 81 (01/07/2011)
PermalinkPermalinkThe elements of probabilistic time geography / Stephan Winter in Geoinformatica, vol 15 n° 3 (July 2011)
PermalinkVLBI-derived troposphere parameters during CONT08 / Robert Heinkelmann in Journal of geodesy, vol 85 n° 7 (July 2011)
PermalinkPartage de données environnementales pour la découverte et l’observation de la Terre / Nehla Ghouaiel (08/06/2011)
PermalinkMARTS, Conception d’un système mobile de réalité augmentée dédié au tourisme / Nehla Ghouaiel (06/06/2011)
PermalinkAmélioration du positionnement relatif temporel GPS avec les corrections GPS-C / V. Kirouac in Geomatica, vol 65 n° 2 (June 2011)
PermalinkAnalyse combinée de données GPS et lidar Raman acquises lors de la campagne COPS pour l’amélioration du positionnement vertical par GPS / Martin Blocquaux in XYZ, n° 127 (juin - août 2011)
PermalinkAuscultation tridimensionnelle d'ouvrages d'art / P. Cattin in Géomatique suisse, vol 109 n° 6 (juin 2011)
PermalinkPermalinkGéoréférencement des réseaux enterrés : des techniques de relevé à la gestion d’un cadastre du sous-sol / G. Cornette in XYZ, n° 127 (juin - août 2011)
PermalinkImage matching and surface registration for 3D reconstruction of a scoliotic torso / I. Detchev in Geomatica, vol 65 n° 2 (June 2011)
PermalinkImproving accessibility information in pedestrian maps and databases / M. Laasko in Cartographica, vol 46 n° 2 (June 2011)
PermalinkNavigation the indoor/outdoor location standards maze / Steven Ramage in Geoinformatics, vol 14 n° 4 (01/06/2011)
PermalinkA "new hybrid" modelling for geometric processing of Radarsat-2 data without user's GCP / Thierry Toutin in Photogrammetric Engineering & Remote Sensing, PERS, vol 77 n° 6 (June 2011)
PermalinkPrecise orthoimage generation of Dunhuang wall painting / Y. Zhang in Photogrammetric Engineering & Remote Sensing, PERS, vol 77 n° 6 (June 2011)
PermalinkQuality analysis of OpenStreetMap data based on application needs / J. Mondzech in Cartographica, vol 46 n° 2 (June 2011)
PermalinkToward seamless indoor-outdoor applications : developing stakeholder-oriented location-based services / K. Ogawa in Geo-spatial Information Science, vol 14 n° 2 (01/06/2011)
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