Domain

Inverse FFT - Synch the Phase

Inverse FFT - Synch the Phase
  1. What is the inverse FFT?
  2. What is the difference between FFT and IFFT?

What is the inverse FFT?

Inverse FFT implements the inverse Fourier Transform for 2D images, supporting real- and complex-valued outputs. Given a 2D spectrum (frequency domain), it returns the image representation on the spatial domain. It is the exact inverse of FFT algorithm. Input as a magnitude spectrum. Output in spatial domain.

What is the difference between FFT and IFFT?

FFT (Fast Fourier Transform) is able to convert a signal from the time domain to the frequency domain. IFFT (Inverse FFT) converts a signal from the frequency domain to the time domain.

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