• creating large-scale city models from 3d-point clouds: a robust approach with hybrid representation

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1098
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     we present a novel and 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 topologically 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 is compared to state-of-the-art methods.

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