Usability of VGI for validation of land cover maps

Fonte, C.C., Bastin, L., See, L. ORCID:, Foody, G., & Lupia, F. (2015). Usability of VGI for validation of land cover maps. International Journal of Geographical Information Science 29 (7) 1269-1291. 10.1080/13658816.2015.1018266.

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Volunteered Geographic Information (VGI) represents a growing source of potentially valuable data for many applications, including land cover map validation. It is still an emerging field and many different approaches can be used to take value from VGI, but also many pros and cons are related to its use. Therefore, since it is timely to get an overview of the suject, the aim of this article is to review the use of VGI as reference data for land cover map validation. The main platforms and type of VGI that are used and that are potentially useful are analysed. Since quality is a fundamental issue in map validation, the quality procedures used by the platforms that collect VGI to increase and control data quality are reviewed and a framework for addressing VGI quality assessment is proposed. A review of cases where VGI was used as an additional data source to assist in map validation is made, as well as cases where only VGI was used, indicating the procedures used to assess VGI quality and fitness for use. A discussion and some conclusions are drawn on best practices, future potential and the challenges of te use of VGI for land cover map validation.

Item Type: Article
Uncontrolled Keywords: crowdsourcing; land cover/land use; quality; validation; VGI
Research Programs: Ecosystems Services and Management (ESM)
Bibliographic Reference: International Journal of Geographical Information Science; 29(7):1269-1291 (July 2015) (Published online 17 Mach 2015)
Depositing User: IIASA Import
Date Deposited: 15 Jan 2016 08:53
Last Modified: 27 Aug 2021 17:25

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