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The accuracy of digital elevation models derived from digitised contour data

Robinson, G. J. (1994) The accuracy of digital elevation models derived from digitised contour data. The Photogrammetric Record, 14 (83). pp. 805-814. ISSN 0031-868X

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To link to this item DOI: 10.1111/j.1477-9730.1994.tb00793.x

Abstract/Summary

Although accuracy of digital elevation models (DEMs) can be quantified and measured in different ways, each is influenced by three main factors: terrain character, sampling strategy and interpolation method. These parameters, and their interaction, are discussed. The generation of DEMs from digitised contours is emphasised because this is the major source of DEMs, particularly within member countries of OEEPE. Such DEMs often exhibit unwelcome artifacts, depending on the interpolation method employed. The origin and magnitude of these effects and how they can be reduced to improve the accuracy of the DEMs are also discussed.

Item Type:Article
Refereed:Yes
Divisions:Science > School of Mathematical, Physical and Computational Sciences > Environmental Systems Science Centre
ID Code:4650
Publisher:Photogrammetric Society

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