How do I remove speckle noise from an interferogram?

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Taher A. Ghaleb

May you look at this link:

https://en.wikipedia.org/wiki/Speckle_noise#Speckle_Noise_Reduction

All the best.

Mostafa Agour

This is a nice paper:

https://www.osapublishing.org/ao/abstract.cfm?&uri=ao-52-1-A195

I am sure that the paper will be helpful for you.

Best regarsd

Iftak Hussain

Thanks sir.....