is it possible to find parts of image which caused peaks on fft graph of that image?

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Xanm ft 2020-2-5

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https://ww2.mathworks.cn/matlabcentral/answers/503827-is-it-possible-to-find-parts-of-image-which-caused-peaks-on-fft-graph-of-that-image

评论： Sindar 2020-2-5

If I have fast fourier transformed an image and plotted the graph of the fft of this image ( attatched below) is it possible to identify what parts of the image produced the peaks on the graph.

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Sindar 2020-2-5

You'll need to run a different sort of transform. cwtft2 gives simultaneous spatial and frequency information. It is a more complex implementation of simply windowing each part of your image and separately applying fft

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