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Filtering method of Ultrasound image

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intelnside

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hello, i'm doing a assignment about filtering the ultrasound image which using discrete wavlet transform and image denoising, and i have no idea to start this project. Can anyone give me some guidance about this project?

which method is more effectiness, DWT or CWT or image denoising by wavlet?
 

no one can help me?

i need the step of filtering the image,anyone can help me? please.
And how to find the coefficient before filter the image?
 

please i need a ultrasound image denoising algorithm
 

whatever dataset use imfilter and fspecial command with matlab u can apply any filter and denoise it
 

but with this method, i cant reduce the speckle noise... because my image is the breast image which contain a lot of noise...
i'm also try to use the wavelet toolbox to adjust the coefficient of the subband but the after synthesis the image is very blur...
so i need algoritm of image denoisig for my image
 

hello, can anyone explain the threholding denoising for me?
i'm quite not understand about this thresholding coefficient.
 

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