can image filtering techniques be applied directly on spectrogram data?

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John Allen
John Allen 2017-8-2
Let's say for example the following: https://www.mathworks.com/help/images/ref/wiener2.html
Can this be used directly on spectrogram data that I get from some FFT function? or does that only work with real images? and then I assume I can recover the filtered signal back with inverse FFT functions?

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