Realistic road path reconstruction from GIS data.

Abstract : We introduce a new approach to construct smooth piecewise curves representing realistic road paths. Given a GIS database of road networks in which sampled points are organized in 3D polylines, our method creates horizontal, then vertical curves, and finally combines them to produce 3D road paths. We first estimate the possibility of each point of being a junction between two separate primitive curve segments. Next, we design a tree-traversal algorithm to expand sequences of local best fit primitives which are then merged together with respect to the G1 continuity constraint and civil engineering rules. We apply the Levenberg-Marquardt method to minimize the error between the resulting curve and the sampled points while preserving the G1 continuity.
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Computer Graphics Forum, Wiley, 2014, 33 (7), pp.259-268. 〈10.1111/cgf.12494〉
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Contributeur : Marc Daniel <>
Soumis le : mercredi 2 mars 2016 - 08:28:47
Dernière modification le : mercredi 12 septembre 2018 - 01:26:06

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Hoang Ha Nguyen, Brett Desbenoit, Marc Daniel. Realistic road path reconstruction from GIS data. . Computer Graphics Forum, Wiley, 2014, 33 (7), pp.259-268. 〈10.1111/cgf.12494〉. 〈hal-01281353〉

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