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Temporal calibration and synchronization of robotic total stations for kinematic multi-sensor-systems / Tomas Thalmann in Journal of applied geodesy, vol 15 n° 1 (January 2021)
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Titre : Temporal calibration and synchronization of robotic total stations for kinematic multi-sensor-systems Type de document : Article/Communication Auteurs : Tomas Thalmann, Auteur ; Hans Neuner, Auteur Année de publication : 2021 Article en page(s) : pp 13 - 30 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de géodésie spatiale
[Termes descripteurs IGN] étalonnage
[Termes descripteurs IGN] positionnement cinématique
[Termes descripteurs IGN] référentiel
[Termes descripteurs IGN] réseau local sans fil
[Termes descripteurs IGN] synchronisation
[Termes descripteurs IGN] tachéomètre électronique robotisé
[Termes descripteurs IGN] tenseurRésumé : (auteur) Despite the increasing interest in kinematic data acquisition, Robotic Total Stations (RTSs) are still relatively seldom used. No matter if Mobile Mapping Systems or Control & Guidance, GNSS is mostly used as position sensor, which limits the application to outdoor areas. For indoor applications, a combination of relative sensors is usually employed. One reason why RTSs are not used is the challenging time referencing and synchronization. In this work we analyze the challenges of a synchronized kinematic application of RTSs and present solutions. Our approach is based on a wireless network synchronization to establish a precise temporal reference frame. The achievable synchronization quality is thoroughly examined. In addition we develop a kinematic model of spherical measurements, that incorporates timing related parameters. To estimate these parameters we propose a temporal calibration utilizing an industrial robot. Both parts of our approach are evaluated using a test setup of two total stations, proofing an overall synchronization accuracy of 0.2 ms. An overall horizontal kinematic point accuracy of 2.3 mm reveals the potential of sufficiently synchronized RTSs. Numéro de notice : A2021-043 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1515/jag-2019-0070 date de publication en ligne : 16/12/2020 En ligne : https://doi.org/10.1515/jag-2019-0070 Format de la ressource électronique : url article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96770
in Journal of applied geodesy > vol 15 n° 1 (January 2021) . - pp 13 - 30[article]Towards self-service GIS - Combining the best of the semantic web and web GIS / Alexandra Rowland in ISPRS International journal of geo-information, vol 9 n° 12 (December 2020)
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Titre : Towards self-service GIS - Combining the best of the semantic web and web GIS Type de document : Article/Communication Auteurs : Alexandra Rowland, Auteur ; Erwin Folmer, Auteur ; Wouter Beek, Auteur Année de publication : 2020 Article en page(s) : n° 753 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web
[Termes descripteurs IGN] édition en libre accès
[Termes descripteurs IGN] interopérabilité
[Termes descripteurs IGN] programme interactif
[Termes descripteurs IGN] Web des données
[Termes descripteurs IGN] web sémantique
[Termes descripteurs IGN] WebSIGRésumé : (auteur) The field of geographic information science has grown exponentially over the last few decades and, particularly within the context of the pervasiveness of the internet, bears witness to a rapid transition of its associated technologies from stand-alone systems to increasingly networked and distributed systems as geospatial information becomes increasingly available online. With its long-standing history for innovation, the field has adopted many disruptive technologies from the fields of computer and information sciences through this transition towards web geographic information systems (GIS); most interestingly in the context of this research is the limited uptake of semantic web technologies by the field and its associated technologies, the lack of which has resulted in a technological disjoint between these fields. As the field seeks to make geospatial information more accessible to more users and in more contexts through ‘self-service’ applications, the use of these technologies is imperative to support the interoperability between distributed data sources. This paper aims to provide insight into what linked data tooling already exists, and based on the features of these, what may be possible for the achievement of self-service GIS. Findings include what visualisation, interactivity, analytics and usability features could be included in the realisation of self-service GIS, pointing to the opportunities that exist in bringing GIS technologies closer to the user. Numéro de notice : A2020-810 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.3390/ijgi9120753 date de publication en ligne : 15/12/2020 En ligne : https://doi.org/10.3390/ijgi9120753 Format de la ressource électronique : url article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96955
in ISPRS International journal of geo-information > vol 9 n° 12 (December 2020) . - n° 753[article]JS4Geo: a canonical JSON Schema for geographic data suitable to NoSQL databases / Angeol A. Frozza in Geoinformatica [en ligne], vol 24 n° 4 (October 2020)
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Titre : JS4Geo: a canonical JSON Schema for geographic data suitable to NoSQL databases Type de document : Article/Communication Auteurs : Angeol A. Frozza, Auteur ; Ronaldo dos S. Mello, Auteur Année de publication : 2020 Article en page(s) : pp 987 - 1019 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Bases de données localisées
[Termes descripteurs IGN] base de données localisées
[Termes descripteurs IGN] données massives
[Termes descripteurs IGN] format JSON
[Termes descripteurs IGN] intégration de données
[Termes descripteurs IGN] interopérabilité
[Termes descripteurs IGN] NoSQL
[Termes descripteurs IGN] système d'information géographique
[Termes descripteurs IGN] système de gestion de base de donnéesRésumé : (Auteur) The large volume and variety of data produced in the current Big Data era lead companies to seek solutions for the efficient data management. Within this context, NoSQL databases rise as a better alternative to the traditional relational databases, mainly in terms of scalability and availability of data. A usual feature of NoSQL databases is to be schemaless, i.e., they do not impose a schema or have a flexible schema. This is interesting for systems that deal with complex data, such as GIS. However, the lack of a schema becomes a problem when applications need to perform processes such as data validation, data integration, or data interoperability, as there is no pattern for schema representation in NoSQL databases. On the other hand, the JSON language stands out as a standard for representing and exchanging data in document NoSQL databases, and JSON Schema is a schema representation language for JSON documents that it is also leading to become a standard. However, it does not include spatial data types. From this limitation, this paper proposes an extension to JSON Schema, called JS4Geo, that allows the definition of schemas for geographic data. We demonstrate that JS4Geo is able to represent schemas of any NoSQL data model, as well as other standards for geographic data, like GML and KML. We also present a case study that shows how a data integration system can benefit of JS4Geo to define local schemas for geographic datasets and generate an integrated global schema. Numéro de notice : A2020-497 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s10707-020-00415-w date de publication en ligne : 27/06/2020 En ligne : https://doi.org/10.1007/s10707-020-00415-w Format de la ressource électronique : URL Article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96118
in Geoinformatica [en ligne] > vol 24 n° 4 (October 2020) . - pp 987 - 1019[article]A semantic graph database for the interoperability of 3D GIS data / Eva Savina Malinverni in Applied geomatics, vol 12 n° 3 (September 2020)
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Titre : A semantic graph database for the interoperability of 3D GIS data Type de document : Article/Communication Auteurs : Eva Savina Malinverni, Auteur ; Berardo Naticchia, Auteur ; Jose Luis Lerma Garcia, Auteur ; et al., Auteur Année de publication : 2020 Article en page(s) : 14 p. Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Systèmes d'information géographique
[Termes descripteurs IGN] base de données
[Termes descripteurs IGN] bâtiment
[Termes descripteurs IGN] CityGML
[Termes descripteurs IGN] conservation de documents
[Termes descripteurs IGN] données hétérogènes
[Termes descripteurs IGN] graphe
[Termes descripteurs IGN] indoorGML
[Termes descripteurs IGN] interopérabilité sémantique
[Termes descripteurs IGN] modélisation 3D
[Termes descripteurs IGN] modélisation 3D du bâti BIM
[Termes descripteurs IGN] ontologie
[Termes descripteurs IGN] partage de données localisées
[Termes descripteurs IGN] restauration de document
[Termes descripteurs IGN] SIG 3D
[Termes descripteurs IGN] stockage de données
[Termes descripteurs IGN] web sémantiqueRésumé : (auteur) In the last decades, the use of information management systems in the building data processing led to radical changes to the methods of data production, documentation and archiving. In particular, the possibilities, given by these information systems, to visualize the 3D model and to formulate queries have placed the question of the information sharing in digital format. The integration of information systems represents an efficient solution for defining smart, sustainable and resilient projects, such as conservation and restoration processes, giving the possibilities to combine heterogeneous data. GIS provides a robust data storage system, a definition of topological and semantic relationships and spatial queries. 3D GIS makes possible the creation of three-dimensional model in a geospatial context. To promote the interoperability of GIS data, the present research aims first to analyse methods of conversion in CityGML and IndoorGML model, defining an ontological domain. This has led to the creation of a new enriched model, based on connections among the different elements of the urban model in GIS environment, and to the possibility to formulate queries based on these relations. The second step consists in collecting all data translated into a specific format that fill a graph database in a semantic web environment, while maintaining those relationships. The semantic web technology represents an efficient tool of interoperability that leaves open the possibility to import BIM data in the same graph database and to join both GIS and BIM models. The outcome will offer substantial benefits during the entire project life cycle. This methodology can also be applied to cultural heritage where the information management plays a key role. Numéro de notice : A2020-561 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s12518-020-00334-3 date de publication en ligne : 24/08/2020 En ligne : https://doi.org/10.1007/s12518-020-00334-3 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=95875
in Applied geomatics > vol 12 n° 3 (September 2020) . - 14 p.[article]Interoperable information model for geovisualization and interaction in XR environments / Daeil Seo in International journal of geographical information science IJGIS, vol 34 n° 7 (July 2020)
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Titre : Interoperable information model for geovisualization and interaction in XR environments Type de document : Article/Communication Auteurs : Daeil Seo, Auteur ; Byounghyun Yoo, Auteur Année de publication : 2020 Article en page(s) : pp 1323 - 1352 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes descripteurs IGN] géonavigateur
[Termes descripteurs IGN] immersion
[Termes descripteurs IGN] interopérabilité
[Termes descripteurs IGN] logiciel de navigation
[Termes descripteurs IGN] réalité augmentée
[Termes descripteurs IGN] réalité mixte
[Termes descripteurs IGN] réalité virtuelle
[Termes descripteurs IGN] système d'information
[Termes descripteurs IGN] toile d'araignée mondiale
[Vedettes matières IGN] GéovisualisationRésumé : (auteur) Since the vision of a Digital Earth (DE) was introduced in 1998, geo-browsers seem to have nearly fulfilled this vision. Virtual reality (VR) for visualizing the DE provides an immersive user experience in a mirror world. Location-based augmented reality (AR) browsers have been introduced and provide content according to user and environmental contexts. However, the content models of traditional geo-browsers and AR browsers have very limited interoperability, because they are described in application-specific formats using their domain standards. Each application is vertically integrated from content to application. The Web is an interoperable and open platform, and hundreds of millions of users are already using it to create and share content. To envision DE browsers for cross-reality (XR) environments that concurrently support geovisualization as well as VR, AR, and mixed-reality environments, we propose a DE content model based on Web standards and architecture that provides full interoperability and openness for XR browsers as a first-class citizen of the Web. This is expected to improve the DE content development efficiency by fully using the Web content development environment. Numéro de notice : A2020-304 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2019.1706739 date de publication en ligne : 03/01/2020 En ligne : https://doi.org/10.1080/13658816.2019.1706739 Format de la ressource électronique : url article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=95146
in International journal of geographical information science IJGIS > vol 34 n° 7 (July 2020) . - pp 1323 - 1352[article]Réservation
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