Morphing between Surfaces of Arbitrary Topology

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• Richard Southern
• Thursday 10 May 2007, 14:15-15:15
• Rainbow Room, Computer Laboratory.

If you have a question about this talk, please contact Tom Cashman.

Morphing is a tough problem. Almost all of the literature has dealt with transitions between surfaces with one-to-one vertex correspondences, or at least introduce methods to remesh surfaces to have these contrived relationships. These methods cannot deal with topological alteration.

I’ll bypass this minefield of geometric constraints by stepping boldly into the 4th dimension. We consider our input geometry as planar cross sections at different time instances, connect them up and extract the boundary. Isosurfaces extracted from this boundary manifold at various time instances yield a morph sequence.

Sadly, given time constraints, I will almost certainly only be able to present a subset of the full morphing pipeline.

Expect formulae, theorems, pretty animations and demonstrations of my software crashing.

This talk is part of the Rainbow Graphics Seminars series.

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• Rainbow Room, Computer Laboratory

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