Structural approach for building reconstruction from a single DSM

Florent Lafarge 1, 2 Xavier Descombes 1 Josiane Zerubia 1 Marc Pierrot-Deseilligny 2
1 ARIANA - Inverse problems in earth monitoring
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - SIS - Signal, Images et Systèmes
Abstract : We present a new approach for building reconstruction from a single Digital Surface Model (DSM). It treats buildings as an assemblage of simple urban structures extracted from a library of 3D parametric blocks (like a LEGO set). First, the 2D-supports of the urban structures are extracted either interactively or automatically. Then, 3D-blocks are placed on the 2D-supports using a Gibbs model which controls both the block assemblage and the fitting to data. A Bayesian decision finds the optimal configuration of 3D-blocks using a Markov Chain Monte Carlo sampler associated with original proposition kernels. This method has been validated on multiple data set in a wide-resolution interval such as 0.7 m satellite and 0.1 m aerial DSMs, and provides 3D representations on complex buildings and dense urban areas with various levels of detail.
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Florent Lafarge, Xavier Descombes, Josiane Zerubia, Marc Pierrot-Deseilligny. Structural approach for building reconstruction from a single DSM. Trans. on Pattern Analysis and Machine Intelligence, IEEE, 2010, 32 (1), pp.135-147. ⟨10.1109/TPAMI.2008.281⟩. ⟨inria-00503136⟩

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