Variable-Order Fractional Diffusion Model-Based Medical Image Denoising

A. Abirami, P. Prakash and Y.-K. Ma

Mathematical Problems in Engineering, 2021, vol. 2021, 1-10

Abstract:

Fractional differential models are playing a vital role in many applications such as diffusion, probability potential theory, and scattering theory. In this study, the variable-order space and time fractional diffusion model is employed for denoising the medical images. The finite difference approach is implemented to find the numerical solution of the proposed model. Convergence and stability of the numerical method are presented. The experimental outcomes of the variable-order model are analyzed with those of the fractional and integer-order diffusion models. It was noticed that the peak signal-to-noise ratio (PSNR) value is increased considerably for the proposed model.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:8050017

DOI: 10.1155/2021/8050017

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