Fourier Transform

Functions for performing Fourier analysis, essential for signal processing and frequency analysis.

Functions

af.fast() - FAST feature detector.

af.fft() - Fast Fourier Transform.

af.fft2() - Fast Fourier Transform.

af.fft2_c2r() - Fast fourier transform on two dimensional real signals producing complex output

af.fft2_r2c() - Fast fourier transform on two dimensional real signals producing complex output

af.fft3() - Fast Fourier Transform.

af.fft3_c2r() - Fast fourier transform on three dimensional real signals producing complex output

af.fft3_r2c() - Fast fourier transform on three dimensional real signals producing complex output

af.fft_c2r() - Fast fourier transform on complex signals producing real output

af.fft_convolve1() - FFT-based convolution for one dimensional signals

af.fft_convolve2() - FFT-based convolution for two dimensional signals

af.fft_convolve3() - FFT-based convolution for three dimensional signals

af.fft_r2c() - Fast fourier transform on real signals producing complex output

af.ifft() - Fast Fourier Transform.

af.ifft2() - Fast Fourier Transform.

af.ifft3() - Fast Fourier Transform.

af.set_fft_plan_cache_size() - Sets fft plan cache size