The radius of attraction for Newton's method and TV-minimization image denoising.

Applied Mathematics Letters（2012）

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摘要

This paper presents an estimate of the radius of convergence for Newton’s method applied to a regularized TV-minimization problem often employed to denoise images. Strong Fréchet differentiability of this iteration is established and an estimate of the radius of attraction for this method is shown.

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关键词

Fixed point iteration,Constrained optimization,Total variation minimization,Image denoising

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