NOVEMBER VOLUME 9, ISSUE 11, NOVEMBER 2022 Wavelet Decomposition Based Speckle Reduction Method for Liver Ultrasound Images by Using Hybrid median and Wavelet Filters TechniqueKhalid.A.Seed Ahmed, Zeinab.A.Mustafa, Banazier.A. Ibraheem & Kawther.M. GissmAllah