A proof of equivalence between level lines shortening and curvature motion in image processing

Details A proof of equivalence between level lines shortening and curvature motion in image processing A proof of equivalence between level lines shortening and curvature motion in image processing

2011-02-07

arxiv.org/abs/1102.1244v2

Mathematics

Analysis of PDEs

23 pages

Scientific paper

In this paper we define the continuous Level Lines Shortening evolution of a two-dimensional image as the Curve Shortening operator acting simultaneously and independently on all the level lines of the initial data, and show that it computes a viscosity solution for the mean curvature motion. This provides an exact analytical framework for its numerical implementation, which runs online on any image at http://www.ipol.im/. Analogous results hold for its affine variant version, the Level Lines Affine Shortening.

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