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cs.CV2010★ 1 cited
Affine-invariant geodesic geometry of deformable 3D shapes
Dan Raviv, Alexander M. Bronstein, Michael M. Bronstein +2
Natural objects can be subject to various transformations yet still preserve properties that we refer to as invariants. Here, we use definitions of affine invariant arclength for s…
cs.CV2010
Affine-invariant diffusion geometry for the analysis of deformable 3D shapes
Dan Raviv, Alexander M. Bronstein, Michael M. Bronstein +2
We introduce an (equi-)affine invariant diffusion geometry by which surfaces that go through squeeze and shear transformations can still be properly analyzed. The definition of an…