FFT
List of Operators
convol_fftConvolFftConvolFftconvol_fft- Convolve an image with a filter in the frequency domain.
convol_gaborConvolGaborConvolGaborconvol_gabor- Convolve an image with a Gabor filter in the frequency domain.
correlation_fftCorrelationFftCorrelationFftcorrelation_fft- Compute the correlation of two images in the frequency domain.
deserialize_fft_optimization_dataDeserializeFftOptimizationDataDeserializeFftOptimizationDatadeserialize_fft_optimization_data- Deserialize FFT speed optimization data.
energy_gaborEnergyGaborEnergyGaborenergy_gabor- Calculate the energy of a two-channel image.
fft_genericFftGenericFftGenericfft_generic- Compute the fast Fourier transform of an image.
fft_imageFftImageFftImagefft_image- Compute the fast Fourier transform of an image.
fft_image_invFftImageInvFftImageInvfft_image_inv- Compute the inverse fast Fourier transform of an image.
gen_bandfilterGenBandfilterGenBandfiltergen_bandfilter- Generate an ideal band filter.
gen_bandpassGenBandpassGenBandpassgen_bandpass- Generate an ideal bandpass filter.
gen_derivative_filterGenDerivativeFilterGenDerivativeFiltergen_derivative_filter- Generate a derivative filter in the frequency domain.
gen_filter_maskGenFilterMaskGenFilterMaskgen_filter_mask- Store a filter mask in the spatial domain as a real-image.
gen_gaborGenGaborGenGaborgen_gabor- Generate a Gabor filter.
gen_gauss_filterGenGaussFilterGenGaussFiltergen_gauss_filter- Generate a Gaussian filter in the frequency domain.
gen_highpassGenHighpassGenHighpassgen_highpass- Generate an ideal highpass filter.
gen_lowpassGenLowpassGenLowpassgen_lowpass- Generate an ideal lowpass filter.
gen_mean_filterGenMeanFilterGenMeanFiltergen_mean_filter- Generate a mean filter in the frequency domain.
gen_sin_bandpassGenSinBandpassGenSinBandpassgen_sin_bandpass- Generate a bandpass filter with sinusoidal shape.
gen_std_bandpassGenStdBandpassGenStdBandpassgen_std_bandpass- Generate a bandpass filter with Gaussian or sinusoidal shape.
optimize_fft_speedOptimizeFftSpeedOptimizeFftSpeedoptimize_fft_speed- Optimize the runtime of the FFT.
optimize_rft_speedOptimizeRftSpeedOptimizeRftSpeedoptimize_rft_speed- Optimize the runtime of the real-valued FFT.
phase_correlation_fftPhaseCorrelationFftPhaseCorrelationFftphase_correlation_fft- Compute the phase correlation of two images in the frequency domain.
phase_degPhaseDegPhaseDegphase_deg- Return the phase of a complex image in degrees.
phase_radPhaseRadPhaseRadphase_rad- Return the phase of a complex image in radians.
power_bytePowerBytePowerBytepower_byte- Return the power spectrum of a complex image.
power_lnPowerLnPowerLnpower_ln- Return the power spectrum of a complex image.
power_realPowerRealPowerRealpower_real- Return the power spectrum of a complex image.
read_fft_optimization_dataReadFftOptimizationDataReadFftOptimizationDataread_fft_optimization_data- Load FFT speed optimization data from a file.
rft_genericRftGenericRftGenericrft_generic- Compute the real-valued fast Fourier transform of an image.
serialize_fft_optimization_dataSerializeFftOptimizationDataSerializeFftOptimizationDataserialize_fft_optimization_data- Serialize FFT speed optimization data.
write_fft_optimization_dataWriteFftOptimizationDataWriteFftOptimizationDatawrite_fft_optimization_data- Store FFT speed optimization data in a file.