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Modeling urban landscapes from point clouds: a generic approach

Florent Lafarge 1 Clément Mallet 2
1 ARIANA - Inverse problems in earth monitoring
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - SIS - Signal, Images et Systèmes
Abstract : We present a robust method for modeling cities from 3D-point data. Our algorithm provides a more complete description than existing approaches by reconstructing simultaneously buildings, trees and topographically complex grounds. A major contribution of our work is the original way of modeling buildings which guarantees a high generalization level while having semantized and compact representations. Geometric 3D-primitives such as planes, cylinders, spheres or cones describe regular roof sections, and are combined with mesh-patches that represent irregular roof components. The various urban components interact through a non-convex energy minimization problem in which they are propagated under arrangement constraints over a planimetric map. Our approach is experimentally validated on complex buildings and large urban scenes of millions of points and compare it to state-of-the-art methods.
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Submitted on : Thursday, May 5, 2011 - 2:46:40 PM
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Long-term archiving on: : Saturday, August 6, 2011 - 2:51:44 AM

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  • HAL Id : inria-00590897, version 1

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Florent Lafarge, Clément Mallet. Modeling urban landscapes from point clouds: a generic approach. [Technical Report] RR-7612, 2011. ⟨inria-00590897⟩

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