High pass filter a signal in the frequency domain

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NC
NC am 18 Jun. 2018
Kommentiert: John Navarro am 11 Mai 2020
I have converted an image into frequency domain using fft2() function. Now I want to extract only the high frequency components. How to solve this?
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John Navarro
John Navarro am 11 Mai 2020
Use the app for filter design.
But first define what is high frequency for your case? For example in my project all signal over 10Hz is defined as High-frequency, in other applications it refeers to components over 10KHz.

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