The DOI matches its Crossref record.
Accuracy assessment of probabilistic visibilities
Abstract
Visual impact studies often make use of Boolean viewshed maps created by standard functions implemented in most raster GIS software. The DEM is used in a deterministic way and possible inaccuracies in the DEM are neglected. Monte Carlo simulations of the errors in the digital elevation data (DEM error) can be used to test the effect of the DEM error on the calculated viewshed. Both an explorational and a quantitative method based on binomial statistics are proposed to analyse the impact of the number of simulations on the accuracy of the probabilistic visibility of a cell. The probabilistic information is used for the creation of a Boolean viewshed map with a known user's and/or producer's accuracy. The importance of this methodology is illustrated.
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“First of all, the accuracy and amount of detail of these can vary greatly; digital elevation models are especially notorious in this respect, and any errors in the original elevation maps will also have repercussions on the accuracy of derived data like slope maps, cost surfaces, and viewsheds (see, e.g., Nackaerts et al. 1999).”
From Integrating Archaeological Theory and Predictive Modeling: a Live Report from the Scene (2012) · cites this paper as Nackaerts et al. 1999
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Cited by
Sorted by citations
Integrating Archaeological Theory and Predictive Modeling: a Live Report from the Scene
Verhagen, P., & Whitley, T. G. (2012) · Journal of Archaeological Method and Theory · doi:10.1007/s10816-011-9102-7 · Cited by 190
Metadata
- Authors
- Nackaerts, K., Govers, G., & Orshoven, J. V.
- Venue
- International Journal of Geographical Information Science
- Publisher
- Informa UK Limited
- Published
- 1999-10
- Volume
- 13
- Issue
- 7
- Pages
- 709-721
- ISSN
- 1365-8816
- 1362-3087
- Cited by
- 16
- References
- 0
- Language
- en
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