RESEARCH ARTICLE


Comparative Analysis of Bilateral Filter and its Variants for Magnetic Resonance Imaging



Bobbinpreet Kaur1, Ayush Dogra2, *, Bhawna Goyal1
1 ECE Department, Chandigarh University, Gharuan, India
2 UIET, Panjab University Chandigarh, Chandigarh, India


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Creative Commons License
© 2020 Kaur et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at UIET, Panjab University Chandigarh, Chandigarh, India; E-mail: ayush123456789@gmail.com


Abstract

Background:

With the increase in research in the direction of making images noise free a number of algorithms have been designed.

Methods:

The choice of Denoising method will be made in such a way that it reduces or removes noise content on one hand and on the other hand it preserves the information content of the image. Our article focuses on analyzing the performance of bilateral filters and its derivatives for Denoising of MRI images.

Results:

The bilateral filter is a hybridized version of basic range filtering and domain filtering techniques.

Conclusion:

A comparative review of these filters is presented for MRI images taking different altitudes of Gaussian noise added to the image.

Keywords: Bilateral filter, Denoising, Domain Filtering, Noise types, Gaussian noise, MRI images.