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

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

PSNR values of MRI 1 at rank =5

Sensors, Free Full-Text

A switching median–mean filter for removal of high-density impulse noise from digital images - ScienceDirect

Mathematics, Free Full-Text

Sensors, Free Full-Text

Impulse Noise Removal from Medical Images by Two Stage Quaternion Vector Median Filter

A Novel Hybrid Framework to Enhance Dual-Energy X-Ray Images

Median filter input generator (MFIG).