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Synthetic aperture Radar image denoising algorithm based on improved anisotropic diffusion

Published: 14 March 2023 Publication History

Abstract

In order to solve the problem of speckle noise in synthetic aperture radar (SAR) images, an image denoising algorithm based on improved anisotropic diffusion is proposed in this paper. In this algorithm, the diffusion coefficient c(x) based on the P-M equation diffusion filtering algorithm is improved to obtain the SAR image filtering algorithm, and the iteration termination condition is added.This method can not only solve the problem of isolated noise points existing in traditional P-M model filtering, but also has a good effect on image edge preservation. The simulation results show that the improved P-M model can eliminate the noise and keep the edge information of the image well.

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  1. Synthetic aperture Radar image denoising algorithm based on improved anisotropic diffusion

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    ICVIP '22: Proceedings of the 2022 6th International Conference on Video and Image Processing
    December 2022
    189 pages
    ISBN:9781450397568
    DOI:10.1145/3579109
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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    Published: 14 March 2023

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    Author Tags

    1. Anisotropic diffusion
    2. Coefficient of diffusion
    3. P-M model
    4. SAR images
    5. Speckled noise

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    • The Key Project of National Defense Science and Technology Innovation Special Zone

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