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Spatial knowledge acquisition with virtual semantic landmarks in mixed reality-based indoor navigation / Bing Liu in Cartography and Geographic Information Science, vol 48 n° 4 (July 2021)
[article]
Titre : Spatial knowledge acquisition with virtual semantic landmarks in mixed reality-based indoor navigation Type de document : Article/Communication Auteurs : Bing Liu, Auteur ; Linfang Ding, Auteur ; Liqiu Meng, Auteur Année de publication : 2021 Article en page(s) : pp 305 - 319 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] conception orientée utilisateur
[Termes IGN] GPS assisté pour la navigation (technologies)
[Termes IGN] hologramme
[Termes IGN] information sémantique
[Termes IGN] navigation virtuelle
[Termes IGN] point de repère
[Termes IGN] positionnement en intérieur
[Termes IGN] questionnaire
[Termes IGN] réalité mixte
[Termes IGN] téléphone intelligent
[Termes IGN] utilisateur civilRésumé : (auteur) Landmarks are essential and widely used in human navigation. However, many indoor environments lack visually salient landmarks, which leads to difficulties in navigating in and learning complex and similar-looking indoor environments. In this study, we designed and implemented virtual semantic landmarks in Mixed Reality (MR)-based indoor environments and conducted a user study to explore whether such landmarks can assist spatial knowledge acquisition during navigation. More specifically, we employed the untethered, head-mounted mixed reality device Microsoft HoloLens and used iconic holograms to show the semantic landmarks. In the user study, we used sketch map, landmark locating tasks and interview to assess the results of the spatial knowledge acquisition and collect advice on improving the MR-based navigation interface. The results show that virtual semantic landmarks can assist the acquisition of corresponding knowledge, as such landmarks were labeled second most often in landmark locating task. In addition, individual cases show that head-mounted mixed reality devices may influence not only vision, but also height or time perception of certain users. Our result can be applied to facilitate the design of MR-based navigation interfaces and assist spatial knowledge acquisition. Numéro de notice : A2021-445 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/15230406.2021.1908171 Date de publication en ligne : 22/04/2021 En ligne : https://doi.org/10.1080/15230406.2021.1908171 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=97852
in Cartography and Geographic Information Science > vol 48 n° 4 (July 2021) . - pp 305 - 319[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 032-2021041 RAB Revue Centre de documentation En réserve L003 Disponible Towards generating network of bikeways from Mapillary data / Xuan Ding in Computers, Environment and Urban Systems, vol 88 (July 2021)
[article]
Titre : Towards generating network of bikeways from Mapillary data Type de document : Article/Communication Auteurs : Xuan Ding, Auteur ; Hongchao Fan, Auteur ; Jianya Gong, Auteur Année de publication : 2021 Article en page(s) : n° 101632 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web
[Termes IGN] approche participative
[Termes IGN] cycliste
[Termes IGN] données localisées des bénévoles
[Termes IGN] gestion des itinéraires
[Termes IGN] Mapillary
[Termes IGN] OpenStreetMap
[Termes IGN] Suède
[Termes IGN] système d'information géographiqueRésumé : (auteur) Nowadays, biking is flourishing in many Western cities. While many roads are used for both cars and bicycles, buffered bike lanes are marked for the safety of cyclists. In many cities, segregated paths are built up to have physical separation from motor vehicles. These types of biking ways are regarded as attributes in geographic information system (GIS) data. This information is required and important in the service of route planning, as cyclists may prefer certain types of bikeways. This paper presents a framework for generating networks of bikeways with attribute information from the data collected on the collaborative street view data platform Mapillary. The framework consists of two layers: The first layer focuses on constructing a bikeway road network using Global Positioning System (GPS) information of Mapillary images. Mapillary sequences are classified into walking, cycling, driving (ordinary road), and driving (motorway) trajectories based on the transportation mode with a trained XGBoost classifier. The bikeway road network is then extracted from cycling and driving (ordinary road) trajectories using a raster-based method. The second layer focuses on extracting attribute information from Mapillary images. Cycling-specific information (i.e., bicycle signs/markings) is extracted using a two-stage detection and classification model. A series of quantitative evaluations based on a case study demonstrated the ability and potential of the framework for extracting bikeway road information to enrich the existing OSM cycling road data. Numéro de notice : A2021-432 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1016/j.compenvurbsys.2021.101632 Date de publication en ligne : 17/04/2021 En ligne : https://doi.org/10.1016/j.compenvurbsys.2021.101632 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=97798
in Computers, Environment and Urban Systems > vol 88 (July 2021) . - n° 101632[article]Imaging the subsurface: How different visualizations of cross-sections affect the sense of uncertainty / Ane Bang-Kittilsen in Journal of Geovisualization and Spatial Analysis, vol 5 n° 1 (June 2021)
[article]
Titre : Imaging the subsurface: How different visualizations of cross-sections affect the sense of uncertainty Type de document : Article/Communication Auteurs : Ane Bang-Kittilsen, Auteur ; Terje Midtbo, Auteur Année de publication : 2021 Article en page(s) : n° 1 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] enquête
[Termes IGN] géologie
[Termes IGN] incertitude des données
[Termes IGN] utilisateur civil
[Termes IGN] visualisation 3D
[Vedettes matières IGN] GéovisualisationRésumé : (auteur) Geologists struggle to communicate the uncertainty that arise when mapping and interpreting the geological subsurface. Today, open data sharing policies make new value of geological information possible for a broader user group of non-experts. It is crucial to develop standard methods for visualizing uncertainty to increase the usability of geological information. In this study, a web experiment was set up to analyze whether and how different design choices influence the sense of uncertainty. Also, questions about the intuitiveness of symbols were asked. Two-hundred ten participants from different countries completed the experiment, both experts and non-experts in geology. Traditional visualization techniques in geology, like dashed lines, dotted lines and question mark, were tested. In addition, other visualizations were tested, such as hatched area and variations of symbol size, zoom levels and reference information. The results show that design choices have an impact on the participants’ assessment of uncertainty. The experts inquire about crucial information if it is not present. The results also suggest that when visualizing uncertainty, all the elements in the representation, and specifically the line and area symbols that delineate and colour the features, must work together to make the right impression. Numéro de notice : A2021-495 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1007/s41651-020-00071-6 Date de publication en ligne : 03/01/2021 En ligne : http://dx.doi.org/10.1007/s41651-020-00071-6 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=97963
in Journal of Geovisualization and Spatial Analysis > vol 5 n° 1 (June 2021) . - n° 1[article]Emotional cartography as a window into children's well-being: Visualizing the felt geographies of place / Andrew Steger in Emotion, Space and Society, vol 39 (May 2021)
[article]
Titre : Emotional cartography as a window into children's well-being: Visualizing the felt geographies of place Type de document : Article/Communication Auteurs : Andrew Steger, Auteur ; Elly Evans, Auteur ; Bryan Wee, Auteur Année de publication : 2021 Article en page(s) : n° 100772 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] bien-être collectif
[Termes IGN] cartographie sensible
[Termes IGN] émotion
[Termes IGN] enfant
[Termes IGN] épidémie
[Termes IGN] maladie virale
[Termes IGN] sentiment
[Termes IGN] système d'information géographique
[Vedettes matières IGN] GéovisualisationRésumé : (auteur) More often than not, Geographic Information Systems (GIS) excludes emotion and qualitative analysis from studies of people-place relationships in favor of quantitative approaches. We employ emotional cartography as a form of qualitative GIS (qualGIS) to elevate emotions from the periphery to the center of dialogue about children's well-being. We highlight the ontological parallels between qualGIS, emotional cartography and children in society, and advance emotion maps as a way to visualize different spatial and emotional realities. In reflecting upon the felt geography of our own childhood places, we affirm the importance of children's emotional attachments to places as well as the centrality of ‘messy’ human experiences in GIS. To conclude, we discuss the implications of emotional cartography for researchers, planners and GIS, paying special attention to children's well-being amidst the current COVID-19 pandemic. In particular, this includes a call to ‘witness’ and to foster spatial empathy among those advocating for children. Numéro de notice : A2021-949 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1016/j.emospa.2021.100772 Date de publication en ligne : 08/02/2021 En ligne : https://doi.org/10.1016/j.emospa.2021.100772 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=99769
in Emotion, Space and Society > vol 39 (May 2021) . - n° 100772[article]Evaluating PPGIS usability in a multi-national field study combining qualitative surveys and eye-tracking / Mona Bartling in Cartographic journal (the), vol 58 n° 2 (May 2021)
[article]
Titre : Evaluating PPGIS usability in a multi-national field study combining qualitative surveys and eye-tracking Type de document : Article/Communication Auteurs : Mona Bartling, Auteur ; Bernd Resch, Auteur ; Sandra Trösterer, Auteur ; Anton Eitzinger, Auteur Année de publication : 2021 Article en page(s) : pp 167 - 182 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique
[Termes IGN] Autriche
[Termes IGN] Colombie
[Termes IGN] convivialité
[Termes IGN] oculométrie
[Termes IGN] Ouganda
[Termes IGN] SIG participatif
[Termes IGN] utilisateurRésumé : (auteur) For designing qualitative interfaces for Public Participatory Geographic Information Systems (PPGIS), the user and use case should be clearly defined. However, PPGIS users may differ significantly, e.g. regarding their cultural background, IT-literacy, or interests. Studies examining varying user types and their impact on PPGIS usability are, however, lacking. In this paper, we analyse the user spectrum through conducting a usability study with 73 participants located in Colombia, Uganda and Austria. We combined a qualitative survey (conducted in all three countries) with an eye-tracking based survey (conducted only in Austria). Most of the usability issues arose due to inexperience in using interactive maps or applications other than social media. Based on the findings, we explored which user context information had an impact on which usability problem. With this, we designed an adaptation gradient that can be used for future research on developing adaptive PPGIS interfaces. Numéro de notice : A2021-971 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/00087041.2020.1842143 Date de publication en ligne : 07/07/2021 En ligne : https://doi.org/10.1080/00087041.2020.1842143 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=100376
in Cartographic journal (the) > vol 58 n° 2 (May 2021) . - pp 167 - 182[article]A BiLSTM-CNN model for predicting users’ next locations based on geotagged social media / Yi Bao in International journal of geographical information science IJGIS, vol 35 n° 4 (April 2021)PermalinkStrategy for the realisation of the International Height Reference System (IHRS) / Laura Sánchez in Journal of geodesy, vol 95 n° 4 (April 2021)PermalinkA user-driven process for INSPIRE-compliant land use database: example from Wallonia, Belgium / Benjamin Beaumont in Annals of GIS, vol 27 n° 2 (April 2021)PermalinkAn experiment using the graphic variable color and the see color code on isarithmic maps accessible to blind and normally sighted people / Niédja Sodré de Araújo in Boletim de Ciências Geodésicas, vol 27 n° 1 ([01/03/2021])PermalinkIntegrity investigation of global ionospheric TEC maps for high-precision positioning / Jiaojiao Zhao in Journal of geodesy, vol 95 n° 3 (March 2021)PermalinkReceiver DCB analysis and calibration in geomagnetic storm-time using IGS products / Jianfeng Li in Survey review, Vol 53 n° 377 (February 2021)PermalinkPermalinkPermalinkAn attempt to define perceptive and sensitive mapping through lived space experiments / Catherine Dominguès (2021)PermalinkPermalink