Radial averaged power dispersion vs frequency of an image

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Wu Changjin Wu 2021-6-4

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关闭： John D'Errico 2021-6-4

I am totally biginner of Matlab. now I want to do the FFT of an image and plot 1D Radial averaged power dispersion vs frequency of the image, How can do it?

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KSSV 2021-6-4

Read about fft2.

Bjorn Gustavsson 2021-6-4

Then about the "central slice theorem" and the radontransform. This wikipedia-page on the Projection-slice_theorem should be enough.

HTH

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