Static, Quasistatic and Dynamic Analysis for Scaled Perona-Malik Functionals
نویسندگان
چکیده
منابع مشابه
An Analysis of the Perona-Malik Scheme
We investigate how the Perona-Malik scheme evolves piecewise smooth initial data in one dimension. By scaling a natural parameter that appears in the scheme in an appropriate way with respect to the grid size, we obtain a meaningful continuum limit. The resulting evolution can be seen as the gradient flow for an energy, just as the discrete evolutions are gradient flows for discrete energies. I...
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The Perona-Malik equation is a famous image edge-preserved denoising model, which is represented as a nonlinear 2-dimension partial differential equation. Based on the homotopy perturbation method (HPM) and the multiscale interpolation theory, a dynamic sparse grid method for Perona-Malik was constructed in this paper. Compared with the traditional multiscale numerical techniques, the proposed ...
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ژورنال
عنوان ژورنال: Acta Applicandae Mathematicae
سال: 2018
ISSN: 0167-8019,1572-9036
DOI: 10.1007/s10440-018-0155-4