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Convergence Analysis of a Finite Difference Scheme for the Gradient Flow associated with the ROF Model

We present a convergence analysis of a finite difference scheme for the time dependent partial different equation called gradient flow associated with the Rudin-Osher-Fatemi model. We devise an iterative algorithm to compute the solution of the finite difference scheme and prove the convergence of the iterative algorithm. Finally computational experiments are shown to demonstrate the convergence of the finite difference scheme. An application for image denoising is given.

preprint2013arXivOpen access
Qianying HongMing-Jun LaiJingyue Wang
math.NA
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Open access3 authors1 topic
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Qianying HongMing-Jun LaiJingyue Wang

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