How much should you zero pad an image before taking the fft ?
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If i have an image that is 200x200 and I want to take the FFT how much zero padding is required ?
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Bhargavi Maganuru
am 31 Mär. 2020
Bearbeitet: Bhargavi Maganuru
am 31 Mär. 2020
If input signal of fft is not in the powers of 2, which is 200 in your case so, you can do zero padding till length is 256.
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David Goodmanson
am 31 Mär. 2020
Bearbeitet: David Goodmanson
am 31 Mär. 2020
HI Bhargavi,
could you explain why going to a power of 2 is a good idea, or not?
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