An Optimal PDEs-based denoising in medical image processing

Maryam Khanian, Awat Feizi, Ali Davari

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Abstract


Improving the quality of medical images at pre and post-surgery operations are necessary for beginning and speeding up the recovery process. Partial differential equations (PDEs)-based models have become a powerful and well known tool in different areas of image processing such as denoising, multiscale image analysis, edge detection and other fields of image processing and computer vision. In this paper, an algorithm for medical image denoising using anisotropic diffusion filter with a convenient stopping criterion is presented. In this regard, the current paper introduces two strategies: utilizing the efficient explicit method due to its advantages with presenting impressive software technique to effectively solve the anisotropic diffusion filter which is mathematically unstable, proposing an automatic stopping criterion, that takes into consideration just input image, as opposed to other stopping criteria, besides the quality of denoised image, easiness and time. Various medical images are examined to confirm the claim.

 


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