Reconstruction of 3D datasets

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Reconstruction of 3D datasets

Obtain surface traces from 3D unorganized datasets in various ways:

Work of Cooper et al. on curve and surface fitting (Fig. ).
Work of Kimia et al. on curve and surface segmentation: bubbles, skeleton-coupled snakes.
Work of Kimia et al. on wave propagation in 2D and 3D: from unorganized points to outlines (Fig. ).

**Figure:** Example of IP 10 degrees fit (right) of original 3D unorganized datapoint set (left: here triangulated for visualization purpose). The surface structure is retrieved, approximated and summarized in terms of few shape invariants.
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**Figure:** Example of 3D wave propagation to retrieve shape symmetries.
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**Figure:** Skeletons for open and closed cylindrical part.
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Frederic Leymarie
6/14/1999