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Enhancement of MRI images using modified type-2 fuzzy set

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Abstract

One of the most challenging, interesting, and influential areas in image processing is image enhancement. Image enhancement techniques manipulate the existing image so as to ameliorate the quality as well as the visual appearance of the image to the viewer. Different types of image enhancement methods are utilized to tackle the complex problems of image visualization in medical imaging. Many imaging techniques are available, such as CT scans, magnetic resonance imaging, X-rays, and others. MRI is a kind of scan that uses strong magnetic fields and radio waves to capture images of the internal structure of the patient’s body. Medical imaging is an exceptionally normal and fundamental medium for clinical experts to conclude illnesses with respect to unseen regions inside the body. In many situations, these images suffer from low contrast and bad illumination. To overcome these problems of low contrast and poor illumination, this paper presents an enhancement scheme using a modified type-2 fuzzy set for MRI images. The results of the proposed scheme are shown in terms of both qualitative and quantitative analysis. All the experiments are carried out for a fixed value of a parameter \(\beta =0.7\). For qualitative analysis, results are visualized with state-of-the-art methods and for quantitative analysis, PSNR, SSIM, AMBE, REC and PL are used. Qualitative and quantitative analysis bear witness to the fact that the performance of the proposed scheme is better in many places in comparison to other existing methods.

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Data Availability

On reasonable request, the dataset as well as the program utilised for this study will be made available to the reader.

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Acknowledgements

The authors would like to thank the anonymous referees for their insightful comments, which significantly enhanced the quality of the manuscript. We are also grateful to the Vrinda Diagnostic Centre in Ghaziabad, India, for providing the image dataset.

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  1. Jaypee Institute of Information Technology, Noida, 201309, India

    Anjali Wadhwa & Anuj Bhardwaj

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  1. Anjali Wadhwa
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Correspondence to Anuj Bhardwaj.

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Wadhwa, A., Bhardwaj, A. Enhancement of MRI images using modified type-2 fuzzy set. Multimed Tools Appl (2024). https://doi.org/10.1007/s11042-024-18569-2

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