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

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景加 杨
景加 杨 2021-1-29
回答： Rishik Ramena 2021-2-9
How to separately extract the zero-order spectrum and the positive first-order spectrum of the Fourier transform of an image?

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回答（1 个）

Rishik Ramena
Rishik Ramena 2021-2-9
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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