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Usability of VGI for validation of land cover maps

Cidália C. Fonte, Lucy Bastin, Linda See, Giles Foody, Flavio Lupia
2015 International Journal of Geographical Information Science  
A discussion and some conclusions are drawn on best practices, future potential and the challenges of the use of VGI for land cover map validation.  ...  Therefore, since it is timely to get an overview of the subject, the aim of this article is to review the use of VGI as reference data for land cover map validation.  ...  Acknowledgements The production of this review benefited from support from EU COST Action TD1202 'Mapping and the Citizen Sensor' which is greatly appreciated.  ... 
doi:10.1080/13658816.2015.1018266 fatcat:trgglpuupzfzrixsqly27uwauy

Highlighting Current Trends in Volunteered Geographic Information

David Jonietz, Vyron Antonio, Linda See, Alexander Zipf
2017 ISPRS International Journal of Geo-Information  
land cover/land use mapping.  ...  focused on applications of VGI.  ...  Acknowledgments: The authors would like to acknowledge the support and contribution of EU COST Action TD1202 'Mapping and the Citizen Sensor' (http://www.citizensensor-cost.eu) and EU COST Action IC1203  ... 
doi:10.3390/ijgi6070202 fatcat:tsdmvo7njrglni3iuyaz752kse

Assessing VGI Data Quality [chapter]

2017 Mapping and the Citizen Sensor  
Additional indicators that have 138 Mapping and the Citizen Sensor been proposed for VGI are then presented and discussed.  ...  A considerable body of literature exists that has examined the quality of VGI as well as proposed methods for quality assessment.  ...  to land cover.  ... 
doi:10.5334/bbf.g fatcat:he2envasffc35p3k46esf45dhu

Investigating the Feasibility of Geo-Tagged Photographs as Sources of Land Cover Input Data

Vyron Antoniou, Cidália Fonte, Linda See, Jacinto Estima, Jamal Arsanjani, Flavio Lupia, Marco Minghini, Giles Foody, Steffen Fritz
2016 ISPRS International Journal of Geo-Information  
Another growing area of interest is in the use of geo-tagged photographs for the development, verification and validation of land use and land cover (LULC) maps [29] .  ...  Finally, we discuss protocols for geo-tagged photographs for use of VGI in relation to land cover applications. of VGI [11], yet they represent a substantial and growing source of volunteered information  ...  Acknowledgments: The authors would like to acknowledge the support and contribution of COST Actions TD1202 "Mapping and Citizen Sensor" http://www.citizen-sensor-cost.eu and IC1203 "ENERGIC" http://vgibox.eu  ... 
doi:10.3390/ijgi5050064 fatcat:jksa7pdsprhunpvyifffnkccaq

The Relevance of Protocols for VGI Collection [chapter]

2017 Mapping and the Citizen Sensor  
the uploading of geotagged photographs for the improvement of land use and land cover maps.  ...  A crucial step towards improving VGI quality, which impacts on VGI usability, is the development and adoption of protocols, guidelines and best practices to assist users when collecting VGI.  ...  as land cover and land use mapping (see e.g.  ... 
doi:10.5334/bbf.j fatcat:kvdwvejoj5d6lfpahg6bkabxka

VISUAL TOOLS FOR CROWDSOURCING DATA VALIDATION WITHIN THE GLOBELAND30 GEOPORTAL

E. Chuprikova, H. Wu, C. E. Murphy, L. Meng
2016 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
The focus is set on the development of a concept of tools that can extend the Geo-tagging functionality and make use of it for different target groups.  ...  The anticipated tools should improve the continuous data validation, updating and efficient use of the remotely-sensed data distributed within GlobeLand30.  ...  ACKNOWLEDGEMENTS This work is supported by the TUM International Graduate School of Science and Engineering (IGSSE) and Chair of Cartography, TU Munich.  ... 
doi:10.5194/isprs-archives-xli-b8-1301-2016 fatcat:mevb5dchlbavxptv5yzxj44jby

On Data Quality Assurance and Conflation Entanglement in Crowdsourcing for Environmental Studies

Didier Leibovici, Julian Rosser, Crona Hodges, Barry Evans, Michael Jackson, Chris Higgins
2017 ISPRS International Journal of Geo-Information  
Looking at current practices in VGI data quality and using two examples, namely land cover validation and inundation extent estimation, this paper discusses the close links between QA and DCDF.  ...  Far from rejecting the usability ISO quality criterion, the paper advocates for a decoupling of the QA process and the DCDF step as much as possible while still integrating them within an approach analogous  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/ijgi6030078 fatcat:4czcgycvxzexfb4i3ryevbxfy4

Experiences with Citizen-Sourced VGI in Challenging Circumstances

Mustafa Hameed, David Fairbairn, Suzanne Speak
2017 ISPRS International Journal of Geo-Information  
Experiences with Citizen-Sourced VGI in Abstract: The article explores the process of Volunteered Geographic Information (VGI) collection by assessing the relative usability and accuracy of a range of  ...  The chosen example relates to the administration of land in an area of Iraq.  ...  Acknowledgments: The authors would like to thankfully acknowledge the contribution of the volunteers of Al-Hillah, the officials at the Land Administration Office in the municipality, Babylon University  ... 
doi:10.3390/ijgi6120385 fatcat:kvtenlppe5f4ldy5b4h3x27vai

Using volunteered geographic information (VGI) in design-based statistical inference for area estimation and accuracy assessment of land cover

Stephen V. Stehman, Cidália C. Fonte, Giles M. Foody, Linda See
2018 Remote Sensing of Environment  
20 Volunteered Geographic Information (VGI) offers a potentially inexpensive source of reference data for 21 estimating area and assessing map accuracy in the context of remote-sensing based land-cover  ...  However, accuracy and area 36 estimates produced using these pseudo-weights still require the VGI data to be representative of the full 37 population, a property known as "external validity".  ...  , which is a validation system for MODIS land cover (Clark and Aide 2011)of VGI for land-cover studies is the LACO-Wiki system, an online land cover validation 288 tool intended as a repository of openly  ... 
doi:10.1016/j.rse.2018.04.014 fatcat:z5f7fgzc6jacljicmrufkrwiti

Towards Seamless Validation of Land Cover Data

Ekaterina Chuprikova, Lukas Liebel, Liqiu Meng
2018 Proceedings of the ICA  
(CLC2006, Germany) and land cover data derived from Volunteered Geographic Information (VGI) such as Open Street Map (OSM).  ...  This article demonstrates the ability of the Bayesian Network analysis for the recognition of uncertainty patterns associated with the fusion of various land cover data sets including GlobeLand30, CORINE  ...  While only a portion of the OSM attributes is valuable for a derived land cover map, the coverage is still high enough to be usable, especially in urban areas (Ribeiro and Fonte 2015) .  ... 
doi:10.5194/ica-proc-1-23-2018 fatcat:43sgwsttpveuni4uynh2sabdme

MEASURES AND INDICATORS OF VGI QUALITY: AN OVERVIEW

V. Antoniou, A. Skopeliti
2015 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Various efforts have focused on the use of well-established methodologies for the evaluation of VGI quality elements against authoritative data.  ...  The evaluation of VGI quality has been a very interesting and popular issue amongst academics and researchers. Various metrics and indicators have been proposed for evaluating VGI quality elements.  ...  The double-blind peer-review was conducted on the basis of the full paper. Editors  ... 
doi:10.5194/isprsannals-ii-3-w5-345-2015 fatcat:7j4qri7aibejtac6wyppkla2ni

A STUDY OF VOLUNTEERED GEOGRAPHIC INFORMATION (VGI) ASSESSMENT METHODS FOR FLOOD HAZARD MAPPING: A REVIEW

Hamid Reza Fazeli, Mohamad Nor Said, Shahabuddin Amerudin, Muhammad Zulkarnain Abd Rahman
2015 Jurnal Teknologi  
The available methods of VGI credibility assessment mainly focus on meta data analysis, VGI spatial pattern analysis and comparison of VGI data with reference data.  ...  At the end we highlighted several research gaps and potentials of combining and improving these methods to support flood hazard mapping.  ...  Acknowledgement The authors would like to thank and acknowledge the Universiti Teknologi Malaysia (UTM) and Ministry of Education of Malaysia (MOE) for their financial supports on the research grant Vot  ... 
doi:10.11113/jt.v75.5281 fatcat:3nnodqnbg5hb5kreivm7fmmdy4

Determining the Potential Role of VGI in Improving Land Administration Systems in Iraq [chapter]

Mustafa Hameed, David Fairbairn, Suzanne Speak
2017 Lecture Notes in Computer Science  
The paper presents the aims and objectives for conducting such VGI application in Iraq, and concludes with a framework for conducting challenging fieldwork in local communities which seek improvements  ...  By examining volunteered geographic information (VGI), we hypothesise that it has a role in enhancing the Iraqi land administration system.  ...  Which methods and data collection tools work best in different contexts and for different individuals? To analyze the usability and validity of different approaches From fieldwork VGI collection 8.  ... 
doi:10.1007/978-3-319-62392-4_38 fatcat:alpwijwvjfeerontckte7kizui

Towards the use of Citizen Sensor Information as an Ancillary Tool for the Thematic Classification of Ecological Phenomena

Laura Kinley
2013 AGILE Conference on Geographic Information Science  
Finally, future work in addressing the quality of crowd ground truth information for map generation in a remote sensing context is outlined with the hope that the traits of VGI can be aligned to meet the  ...  authoritative rigor required for it to be of use within ecological research applications.  ...  Acknowledgements Laura Kinley is supported by the Horizon Doctoral Training Centre at the University of Nottingham (RCUK Grant No.  ... 
dblp:conf/agile/Kinley13 fatcat:2rdgcar3hbervmqoue53kteq44

VGI in National Mapping Agencies: Experiences and Recommendations [chapter]

2017 Mapping and the Citizen Sensor  
Despite the considerable growth in Volunteered Geographic Information (VGI) activities in citizen sensing and the evident opportunities for VGI use in map revision and updating, few European National Mapping  ...  Guidelines and recommendations to support wider engagement with the VGI community are also proposed to help NMAs and interested government bodies exploit the potential of VGI for authoritative mapping.  ...  Acknowledgements The authors would like to thank swisstopo for hosting the WG3 meeting that initiated the discussion on recommendations for NMAs involved in activities with VGI.  ... 
doi:10.5334/bbf.m fatcat:mt6fnzm5nzbp3caqqr5oxy7ij4
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