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extract the zero-order spectrum and the positive first-order spectrum

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景加 杨
景加 杨 on 29 Jan 2021
Answered: Rishik Ramena on 9 Feb 2021
How to separately extract the zero-order spectrum and the positive first-order spectrum of the Fourier transform of an image?

Answers (1)

Rishik Ramena
Rishik Ramena on 9 Feb 2021
Currently there are no MATLAB inbuilt functions to extract the zero order and the first order spectrums. You can however use fft2 to calculate the fourier transform of an image. Have a look at this answer for implementation.

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