Regularized Wulff Flows , Nonconvex Energies and Backwards Parabolic Equations

@inproceedings{Cecil2004RegularizedWF,
  title={Regularized Wulff Flows , Nonconvex Energies and Backwards Parabolic Equations},
  author={Thomas C. Cecil and Stanley Osher},
  year={2004}
}
In this paper we propose a method of regularizing the backwards parabolic partial differential equations that arise from using gradient descent to minimize surface energy integrals within a level set framework in 2 and 3 dimensions. The proposed regularization energy is a functional of the mean curvature of the surface. Our method uses a local level set technique to evolve the resulting fourth order PDEs in time. Numerical results are shown, indicating stability and convergence to the… CONTINUE READING

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