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Terrain surface modeling from altimetric data

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2 Author(s)
M. Cord ; Equipe Traitement des Images et du Signal, Univ. de Cergy Pontoise, France ; T. Belli

The paper presents a method for terrain surface reconstruction from altimetric data. The approach is based on terrain modeling using a parametric surface. On the assumption that above-ground objects are outliers, M-estimators supply a theoretical framework to obtain a robust estimation of the ground surface parameters from a digital elevation model. Instead of the usual M-estimator functions, an asymmetrical weight function is introduced to improve the optimization process. We present results obtained with simulated and real data.

Published in:

Image Processing. 2002. Proceedings. 2002 International Conference on  (Volume:3 )

Date of Conference:

24-28 June 2002