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An assessment of the accuracy of volunteered road map production in Western Kenya

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Title An assessment of the accuracy of volunteered road map production in Western Kenya
 
Creator Leeuw, Jan de
Said, Mohammed Yahya
Ortegah, L.
Nagda, S.M.
Georgiadou, Y.
DeBlois, M.
 
Subject GEOGRAPHICAL INFORMATION SYSTEMS
 
Description The introduction of web based mapping facilities that use satellite imagery, offers local people the possibility to map their environment. However, maps need to be accurate, which is the reason why map making is assigned to professionals. In this paper, we investigated the classification accuracy of road infrastructure from high resolution satellite imagery of an urban area in western Kenya achieved by surveyors and non-surveyors alike, with and without local knowledge. Those with local knowledge classified roads with over 92% accuracy on average, irrespective of surveying background. Professional surveyors and laymen without local knowledge achieved lower accuracies of 67.7% and 42.9% respectively. We argue that local knowledge is also likely to improve the classification accuracy of many other attributes featured in topographic maps and thus conclude that there is reason to consider engaging local expertise in the production and updating of topographic maps.
 
Date 2011-02-11T06:51:32Z
2011-02-11T06:51:32Z
2011-02-09
 
Type Journal Article
 
Identifier Leeuw, J. de, Said, M., Ortegah, L., Nagda, S., Georgiadou, Y. and DeBlois, M. 2011. An assessment of the accuracy of volunteered road map production in Western Kenya. Remote Sensing 3(2):247-256.
https://hdl.handle.net/10568/3175
 
Language en
 
Source Remote Sensing