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A review of volunteered geographic information quality assessment methods / Hansi Senaratne in International journal of geographical information science IJGIS, vol 31 n° 1-2 (January - February 2017)
[article]
Titre : A review of volunteered geographic information quality assessment methods Type de document : Article/Communication Auteurs : Hansi Senaratne, Auteur ; Amin Mobasheri, Auteur ; Ahmed Loai Ali, Auteur ; et al., Auteur Année de publication : 2017 Article en page(s) : pp 139 - 167 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web
[Termes IGN] acquisition de données
[Termes IGN] données localisées des bénévoles
[Termes IGN] exploration de données géographiques
[Termes IGN] qualité des donnéesRésumé : (auteur) With the ubiquity of advanced web technologies and location-sensing hand held devices, citizens regardless of their knowledge or expertise, are able to produce spatial information. This phenomenon is known as volunteered geographic information (VGI). During the past decade VGI has been used as a data source supporting a wide range of services, such as environmental monitoring, events reporting, human movement analysis, disaster management, etc. However, these volunteer-contributed data also come with varying quality. Reasons for this are: data is produced by heterogeneous contributors, using various technologies and tools, having different level of details and precision, serving heterogeneous purposes, and a lack of gatekeepers. Crowd-sourcing, social, and geographic approaches have been proposed and later followed to develop appropriate methods to assess the quality measures and indicators of VGI. In this article, we review various quality measures and indicators for selected types of VGI and existing quality assessment methods. As an outcome, the article presents a classification of VGI with current methods utilized to assess the quality of selected types of VGI. Through these findings, we introduce data mining as an additional approach for quality handling in VGI. Numéro de notice : A2017-030 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2016.1189556 En ligne : http://dx.doi.org/10.1080/13658816.2016.1189556 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=84023
in International journal of geographical information science IJGIS > vol 31 n° 1-2 (January - February 2017) . - pp 139 - 167[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 079-2017011 RAB Revue Centre de documentation En réserve L003 Disponible 079-2017012 RAB Revue Centre de documentation En réserve L003 Disponible Volunteered geographic information and the future of geospatial data / Claudio Elizio Calazans Campelo (2017)
Titre : Volunteered geographic information and the future of geospatial data Type de document : Monographie Auteurs : Claudio Elizio Calazans Campelo, Éditeur scientifique ; Michela Bertolotto, Éditeur scientifique ; Padraig Corcoran, Éditeur scientifique Editeur : Hershey [USA] : IGI Global Année de publication : 2017 Collection : Advances in Geospatial Technologies (AGT) Book Series, ISSN 2327-5715 Importance : 357 p. Format : 22 x 29 cm ISBN/ISSN/EAN : 978-1-5225-2446-5 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web
[Termes IGN] cartographie collaborative
[Termes IGN] données localisées des bénévoles
[Termes IGN] qualité des donnéesIndex. décimale : 37.50 Géomatique web Résumé : (Editeur) Geographic data is a valuable source of information in modern society. By utilizing alternative sources of this data, the availability and potential applications of geographic information systems can be increased. This book is a pivotal reference source for the latest scholarly research on information gathering from volunteers, as opposed to official agencies and private companies, to compile geospatial data. Highlighting a range of pertinent topics such as regional landscape mapping, road safety, and land usage, this book is ideally designed for researchers, academics, students, professionals, and practitioners interested in the growing area of volunteered geographic information. Note de contenu : Chapter 1 - Engaging With the Participatory Geoweb: Experiential Learning From Practice / Jon M. Corbett, Logan Cochrane
Chapter 2 - Quality Evaluation of Volunteered Geographic Information: The Case of OpenStreetMap / Hongyu Zhang, Jacek Malczewski
Chapter 3 - Traditional vs. Machine-Learning Techniques for OSM Quality Assessment / Musfira Jilani, Michela Bertolotto, Padraig Corcoran, Amerah Alghanim
Chapter 4 - VGI in the Geoweb: An Experiment to Test Data Reliability / Michael Buzzelli, David Brown, Kenwoo Lee, Justin Mullan
Chapter 5 - Quality Assessment of Volunteered Geographic Information for Educational Planning / Hafiz Muhammad Muzaffar, Ali Tahir, Asmat Ali, Munir Ahmad, Gavin McArdle
Chapter 6 - Emotional and Subjective Volunteered Geographical Information / Jiri Panek
Chapter 7 - Using OpenStreetMap to Create Land Use and Land Cover Maps: Development of an Application / Cidália Costa Fonte, Joaquim António Patriarca, Marco Minghini, Vyron Antoniou, Linda See, Maria Antonia Brovelli
Chapter 8 - Mapping Regional Landscape by Using OpenstreetMap (OSM): A Case Study to Understand Forest Patterns in Maya Zone, Mexico / Di Yang
Chapter 9 - Leveraging Volunteered Geographic Information to Improve Disaster Resilience: Lessons Learned From AGORA and Future Research Directions / João Porto de Albuquerque, Flávio Eduardo Aoki Horita, Livia Castro Degrossi, Roberto dos Santos Rocha, Sidgley Camargo de Andrade, Camilo Restrepo-Estrada, Werner Leyh
Chapter 10 - Quality of Urban Life Index From Location-Based Social Networks Data: A Case Study in Belo Horizonte, Brazil / Rodrigo Smarzaro, Tiago França Melo de Lima, Clodoveu Augusto Davis Jr.
Chapter 11 - Improving Accessibility Through VGI and Crowdsourcing / Igor Gomes Cruz, Claudio E.C. Campelo
Chapter 12 - Gathering Road Safety Critical Information From Users / Ahmet Yıldız
Chapter 13 - Generation of a Data Model for Indoor Navigation Based on Volunteered Geospatial Information (VGI) / Rahim Ali Abbaspour, Simin S. Mirvahabi
Chapter 14 - Adaptive Acquisition of VGI to Fill Out Gaps in Biological Observation Metadata / Daniel Cintra Cugler, Claudia Bauzer Medeiros
Chapter 15 - Geospatial Digital Rights Management: Challenge to Global Spatial Data Infrastructure / Titus M. Ng'ang'a, Peter M. Wachira, Tim J. L. Wango, Joseph M. Ndung'u, Margaret N. NdungoNuméro de notice : 22767 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Recueil / ouvrage collectif Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=86708 Réservation
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Code-barres Cote Support Localisation Section Disponibilité 22767-01 37.50 Livre Centre de documentation Géomatique Disponible 3D change detection – Approaches and applications / Rongjun Qin in ISPRS Journal of photogrammetry and remote sensing, vol 122 (December 2016)
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Titre : 3D change detection – Approaches and applications Type de document : Article/Communication Auteurs : Rongjun Qin, Auteur ; Jiaojiao Tian, Auteur ; Peter Reinartz, Auteur Année de publication : 2016 Article en page(s) : pp 41 – 56 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image
[Termes IGN] détection de changement
[Termes IGN] données localisées 3D
[Termes IGN] précision des données
[Termes IGN] semis de points
[Termes IGN] taxinomie
[Termes IGN] voxelRésumé : (Auteur) Due to the unprecedented technology development of sensors, platforms and algorithms for 3D data acquisition and generation, 3D spaceborne, airborne and close-range data, in the form of image based, Light Detection and Ranging (LiDAR) based point clouds, Digital Elevation Models (DEM) and 3D city models, become more accessible than ever before. Change detection (CD) or time-series data analysis in 3D has gained great attention due to its capability of providing volumetric dynamics to facilitate more applications and provide more accurate results. The state-of-the-art CD reviews aim to provide a comprehensive synthesis and to simplify the taxonomy of the traditional remote sensing CD techniques, which mainly sit within the boundary of 2D image/spectrum analysis, largely ignoring the particularities of 3D aspects of the data. The inclusion of 3D data for change detection (termed 3D CD), not only provides a source with different modality for analysis, but also transcends the border of traditional top-view 2D pixel/object-based analysis to highly detailed, oblique view or voxel-based geometric analysis. This paper reviews the recent developments and applications of 3D CD using remote sensing and close-range data, in support of both academia and industry researchers who seek for solutions in detecting and analyzing 3D dynamics of various objects of interest. We first describe the general considerations of 3D CD problems in different processing stages and identify CD types based on the information used, being the geometric comparison and geometric-spectral analysis. We then summarize relevant works and practices in urban, environment, ecology and civil applications, etc. Given the broad spectrum of applications and different types of 3D data, we discuss important issues in 3D CD methods. Finally, we present concluding remarks in algorithmic aspects of 3D CD. Numéro de notice : A2016--020 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2016.09.013 En ligne : http://dx.doi.org/10.1016/j.isprsjprs.2016.09.013 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=83882
in ISPRS Journal of photogrammetry and remote sensing > vol 122 (December 2016) . - pp 41 – 56[article]An attempt to determine the effect of increase of observation correlations on detectability and identifiability of a single gross error / Witold Proszynski in Geodesy and cartography, vol 65 n° 2 (December 2016)
[article]
Titre : An attempt to determine the effect of increase of observation correlations on detectability and identifiability of a single gross error Type de document : Article/Communication Auteurs : Witold Proszynski, Auteur ; Mieczysław Kwaśniak, Auteur Année de publication : 2016 Article en page(s) : pp 313 - 333 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Statistiques
[Termes IGN] algorithme de décalage moyen
[Termes IGN] analyse de sensibilité
[Termes IGN] cohérence des données
[Termes IGN] corrélation
[Termes IGN] détection d'erreur
[Termes IGN] fiabilité des données
[Termes IGN] valeur aberranteRésumé : (auteur) The paper presents the results of investigating the effect of increase of observation correlations on detectability and identifiability of a single gross error, the outlier test sensitivity and also the response-based measures of internal reliability of networks. To reduce in a research a practically incomputable number of possible test options when considering all the non-diagonal elements of the correlation matrix as variables, its simplest representation was used being a matrix with all non-diagonal elements of equal values, termed uniform correlation. By raising the common correlation value incrementally, a sequence of matrix configurations could be obtained corresponding to the increasing level of observation correlations. For each of the measures characterizing the above mentioned features of network reliability the effect is presented in a diagram form as a function of the increasing level of observation correlations. The influence of observation correlations on sensitivity of the w-test for correlated observations (Förstner 1983, Teunissen 2006) is investigated in comparison with the original Baarda’s w-test designated for uncorrelated observations, to determine the character of expected sensitivity degradation of the latter when used for correlated observations. The correlation effects obtained for different reliability measures exhibit mutual consistency in a satisfactory extent. As a by-product of the analyses, a simple formula valid for any arbitrary correlation matrix is proposed for transforming the Baarda’s w-test statistics into the w-test statistics for correlated observations. Numéro de notice : A2016-980 Affiliation des auteurs : non IGN Thématique : MATHEMATIQUE/POSITIONNEMENT Nature : Article DOI : 10.1515/geocart-2016-0018 En ligne : https://doi.org/10.1515/geocart-2016-0018 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=83697
in Geodesy and cartography > vol 65 n° 2 (December 2016) . - pp 313 - 333[article]Estimates of stem wood increments in forest resources: comparison of different approaches in forest inventory: consequences for international reporting: case study of European forests / Andrius Kuliesis in Annals of Forest Science, vol 73 n° 4 (December 2016)
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Titre : Estimates of stem wood increments in forest resources: comparison of different approaches in forest inventory: consequences for international reporting: case study of European forests Type de document : Article/Communication Auteurs : Andrius Kuliesis, Auteur ; Stein Michael Tomter, Auteur ; Claude Vidal , Auteur ; Adrian Lanz, Auteur Année de publication : 2016 Article en page(s) : pp 857 - 869 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] échantillonnage
[Termes IGN] Europe (géographie politique)
[Termes IGN] inventaire forestier étranger (données)
[Termes IGN] inventaire forestier national (données France)
[Termes IGN] placette d'échantillonnage
[Termes IGN] qualité des données
[Vedettes matières IGN] Inventaire forestierRésumé : (Auteur) Quality and reliability of forest resource assessments depend on the ability of national forest inventories (NFIs) to supply necessary and high-quality data. Over the last decades and especially since the 1990s, the NFIs in European countries have been rapidly developing. Possibilities for obtaining reliable and accurate data on annual increment from different inventory types were evaluated, and sample-based inventories have been found to be superior to standwise inventories in providing reliable data. Simplified methods may be employed when increment cannot be directly estimated from inventory data. Numéro de notice : A2016--009 Affiliation des auteurs : non IGN Thématique : FORET Nature : Article DOI : 10.1007/s13595-016-0559-0 En ligne : http://dx.doi.org/10.1007/s13595-016-0559-0 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=83834
in Annals of Forest Science > vol 73 n° 4 (December 2016) . - pp 857 - 869[article]Bounding the integer bootstrapped GNSS baseline’s tail probability in the presence of stochastic uncertainty / Steven E. Langel in Journal of geodesy, vol 90 n° 11 (November 2016)PermalinkFast and accurate target detection based on multiscale saliency and active contour model for high-resolution SAR images / Song Tu in IEEE Transactions on geoscience and remote sensing, vol 54 n° 10 (October 2016)PermalinkLes forêts, une affaire de professionnels / Michel Padel in Géomètre, n° 2140 (octobre 2016)PermalinkBumps and bruises in the digital skins of cities: unevenly distributed user-generated content across US urban areas / Colin Robertson in Cartography and Geographic Information Science, Vol 43 n° 4 (September 2016)PermalinkÉvaluation de la qualité des sources du Web de Données pour la résolution d'entités nommées / Carmen Brando in Ingénierie des systèmes d'information, ISI : Revue des sciences et technologies de l'information, RSTI, vol 21 n° 5 - 6 (septembre - décembre 2016)PermalinkDe l'importance du géomaticien pour la qualité des données géographiques / Nathalie Dejour in Géomatique expert, n° 112 (septembre - octobre 2016)PermalinkIncorporating movement in species distribution models: how do simulations of dispersal affect the accuracy and uncertainty of projections? / Paul Holloway in International journal of geographical information science IJGIS, vol 30 n° 9-10 (September - October 2016)PermalinkA measure of average error variance of line features / Eryong Liu in Cartography and Geographic Information Science, Vol 43 n° 4 (September 2016)PermalinkNovel tool for examination of data completeness based on a comparative study of VGI data and official building datasets / Joanna Nowak Da Costa in Geodetski vestnik, vol 60 n° 3 (September - November 2016)PermalinkPropagating uncertainty through individual tree volume model predictions to large-area volume estimates / Ronald E. McRoberts in Annals of Forest Science, vol 73 n° 3 (September 2016)PermalinkQualité de la donnée : objectif permanent, contexte évoluant / Mathieu Le Moal in Géomatique expert, n° 112 (septembre - octobre 2016)PermalinkSpatiotemporal subpixel mapping of time-series images / Qunming Wang in IEEE Transactions on geoscience and remote sensing, vol 54 n° 9 (September 2016)PermalinkStem quality assessment in European National Forest Inventories: an opportunity for harmonised reporting? / Michal Bosela in Annals of Forest Science, vol 73 n° 3 (September 2016)PermalinkA two-level topological model for 3D features in CityGML / Lin Li in Computers, Environment and Urban Systems, vol 59 (September 2016)PermalinkAirborne lidar estimation of aboveground forest biomass in the absence of field inventory / António Ferraz in Remote sensing, vol 8 n° 8 (August 2016)PermalinkThe study of key issues about integration of GNSS and strong-motion records for real-time earthquake monitoring / Rui Tu in Advances in space research, vol 58 n° 3 (August 2016)PermalinkUnderground incrementally deployed magneto-inductive 3-D positioning network / Traian E. Abrudan in IEEE Transactions on geoscience and remote sensing, vol 54 n° 8 (August 2016)PermalinkEvaluating the impact of visualization of wildfire hazard upon decision-making under uncertainty / Lisa Cheong in International journal of geographical information science IJGIS, vol 30 n° 7- 8 (July - August 2016)PermalinkGeographically weighted evidence combination approaches for combining discordant and inconsistent volunteered geographical information / Alexis Comber in Geoinformatica, vol 20 n° 3 (July - September 2016)PermalinkGeometrical consistency voting strategy for outlier detection in image matching / Luping Lu in Photogrammetric Engineering & Remote Sensing, PERS, vol 82 n° 7 (juillet 2016)Permalink