Noise Adaptive Fuzzy Switching Median Filters for Removing Gaussian Noise

Noise Adaptive Fuzzy Switching Median Filters for Removing Gaussian Noise

Publication Date : 2023-08-07
Author(s) :

Jeba Jenitha M, Kani Jesintha D, Mahalakshmi P
Conference Name :

The International Conference on scientific innovations in Science, Technology, and Management (NGCESl-2023)
Abstract :

Recently, in all image processing systems, image restoration plays a major role and it forms the major part of image processing systems. Medical images such as brain Magnetic Resonance Imaging (MRI), ultrasound images of liver and kidney, retinal images and images of uterus images are often affected by various types of noises such as Gaussian noise and salt and pepper noise. All image restoration techniques attempts to remove various types of noises. This paper deals with various filters namely Mean Filter, Averaging Filter, Median Filter, Adaptive Median Filter, Adaptive Weighted Median Filter, Gabor Filter and Noise Adaptive Fuzzy Switching Median Filter (NAFSM) for removing salt and pepper noise. Among all the filters, NAFSM removes the Gaussian noise better than the other filters and the performance of all the filters are compared using metrics such as PSNR (Peak Signal to Noise Ratio), MSE (Mean Square Error), NAE (Normalized Absolute Error), Normalized Cross Correlation (NK), Average Difference (AD), Maximum Difference (MD), SC (Structural Content) and time elapsed to produce the denoised image.

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