[Eeglablist] about Wavelet Thresholding

[nagendra prasad]

sir,
 
I'm doing project on Artifact correction for EEG signals using Wavelet based denoising.
 
Here we are taking the SWT using the COIF3 wavelet which resembles with the Ocular Artifacts( OA ) for the EEG signal and keeping the  threshold for it . 
 
The coefficients above the Threshold are made Zero and the EEG is reconstructed .
 
here the Question is How to set the Threshold? what is the criteria for it
 
please help me in this regard
 
Yours sincerely
M.N.Prasad

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