How to get waves on intensity image using DFT?

I have the intensity image as shown bleow. I want to create waves in the background by using dft, idft and delta value at a pixel. How can i do that?

Answer 1

[Gouri Chennuru]

Hi,

You can refer to this link.

https://www.mathworks.com/matlabcentral/answers/157044-how-to-identify-the-periodic-pattern-in-a-given-image#answer_153673

Hope this helps!