Titlebook: Optimal Surface Fitting of Point Clouds Using Local Refinement; Application to GIS D Gaël Kermarrec,Vibeke Skytt,Tor Dokken Book‘‘‘‘‘‘‘‘ 20

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,LR B-Spline Surfaces and Volumes for Deformation Analysis of Terrain Data, show how different epochs of the point clouds can be analyzed with LR B-spline volumes for spatio-temporal visualisation of deformation. We highlight the potential of a time-differenced LR B-splines volume for analysing geomorphological changes. A further application of this method is the drawing of contour lines.

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Book‘‘‘‘‘‘‘‘ 2023 and seabed data in a compact way. It provides an alternative to the well know raster and triangulated surface representations. An LR B-spline surface has an overall smooth behavior and allows the modeling of local details with only a limited growth in data volume. In regions where many data points

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Adaptive Surface Fitting with Local Refinement: LR B-Spline Surfaces,e LR B-spline surface obtained at previous steps may be kept unchanged. This chapter aims at explaining the adaptive fitting using local refinement with LR B-splines. We present two examples with simulated point clouds to illustrate the methodology.

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2191-589X approximation method for large data set.Shows a new procedurThis open access book provides insights into the novel Locally Refined B-spline (LR B-spline) surface format, which is suited for representing terrain and seabed data in a compact way. It provides an alternative to the well know raster and

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