Hessian matrix-based fourth-order anisotropic diffusion filter for image denoising

Optics & Laser Technology（2019）

引用 44|浏览38

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摘要

•Hessian matrix and its eigenvalue are introduced for edge preservation.•An anisotropic fourth-order diffusion model is proposed.•The superiority of the proposed model is verified by experiments.

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关键词

Anisotropic diffusion filter,Eigenvalue,Hessian matrix,Denoising

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