how can I calculate the Fourier Transform of an image for different angles?

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Andrea
Andrea 2012-7-9
回答： Gnaneswar Nadh satapathi 2014-2-9
Hi I have an image and I want to plot the Fourier coefficient for different angles of an Image? I know the command is fft2 but I do not know how it is gonna change for different angles?
Thanks for your help in advances.

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Gnaneswar Nadh satapathi
you can better use polar fourier transform

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