A two-stage switching vector median filter based on quaternion for removing impulse noise in color images

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a–e Graphical mean comparison for a NCD, b PSNR, c SSIM, d MAE, e

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Output images of various filters on Lena image at noise density 20

High density salt-and-pepper noise suppression using adaptive dual

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Comparison of filters based on average MAE and PSNR of medical

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PSNR values (in decibels) for medical test images

PSNR values of MRI 1 at rank =5

A two-stage switching vector median filter based on quaternion for

Impulse noise cancellation of medical images using wavelet

A Novel Switching Vector Median Filter for Color Image Filtering