FFT
List of Operators
convol_fftConvolFftconvol_fftConvolFftconvol_fft- Convolve an image with a filter in the frequency domain.
convol_gaborConvolGaborconvol_gaborConvolGaborconvol_gabor- Convolve an image with a Gabor filter in the frequency domain.
correlation_fftCorrelationFftcorrelation_fftCorrelationFftcorrelation_fft- Compute the correlation of two images in the frequency domain.
deserialize_fft_optimization_dataDeserializeFftOptimizationDatadeserialize_fft_optimization_dataDeserializeFftOptimizationDatadeserialize_fft_optimization_data- Deserialize FFT speed optimization data.
energy_gaborEnergyGaborenergy_gaborEnergyGaborenergy_gabor- Calculate the energy of a two-channel image.
fft_genericFftGenericfft_genericFftGenericfft_generic- Compute the fast Fourier transform of an image.
fft_imageFftImagefft_imageFftImagefft_image- Compute the fast Fourier transform of an image.
fft_image_invFftImageInvfft_image_invFftImageInvfft_image_inv- Compute the inverse fast Fourier transform of an image.
gen_bandfilterGenBandfiltergen_bandfilterGenBandfiltergen_bandfilter- Generate an ideal band filter.
gen_bandpassGenBandpassgen_bandpassGenBandpassgen_bandpass- Generate an ideal bandpass filter.
gen_derivative_filterGenDerivativeFiltergen_derivative_filterGenDerivativeFiltergen_derivative_filter- Generate a derivative filter in the frequency domain.
gen_filter_maskGenFilterMaskgen_filter_maskGenFilterMaskgen_filter_mask- Store a filter mask in the spatial domain as a real-image.
gen_gaborGenGaborgen_gaborGenGaborgen_gabor- Generate a Gabor filter.
gen_gauss_filterGenGaussFiltergen_gauss_filterGenGaussFiltergen_gauss_filter- Generate a Gaussian filter in the frequency domain.
gen_highpassGenHighpassgen_highpassGenHighpassgen_highpass- Generate an ideal highpass filter.
gen_lowpassGenLowpassgen_lowpassGenLowpassgen_lowpass- Generate an ideal lowpass filter.
gen_mean_filterGenMeanFiltergen_mean_filterGenMeanFiltergen_mean_filter- Generate a mean filter in the frequency domain.
gen_sin_bandpassGenSinBandpassgen_sin_bandpassGenSinBandpassgen_sin_bandpass- Generate a bandpass filter with sinusoidal shape.
gen_std_bandpassGenStdBandpassgen_std_bandpassGenStdBandpassgen_std_bandpass- Generate a bandpass filter with Gaussian or sinusoidal shape.
optimize_fft_speedOptimizeFftSpeedoptimize_fft_speedOptimizeFftSpeedoptimize_fft_speed- Optimize the runtime of the FFT.
optimize_rft_speedOptimizeRftSpeedoptimize_rft_speedOptimizeRftSpeedoptimize_rft_speed- Optimize the runtime of the real-valued FFT.
phase_correlation_fftPhaseCorrelationFftphase_correlation_fftPhaseCorrelationFftphase_correlation_fft- Compute the phase correlation of two images in the frequency domain.
phase_degPhaseDegphase_degPhaseDegphase_deg- Return the phase of a complex image in degrees.
phase_radPhaseRadphase_radPhaseRadphase_rad- Return the phase of a complex image in radians.
power_bytePowerBytepower_bytePowerBytepower_byte- Return the power spectrum of a complex image.
power_lnPowerLnpower_lnPowerLnpower_ln- Return the power spectrum of a complex image.
power_realPowerRealpower_realPowerRealpower_real- Return the power spectrum of a complex image.
read_fft_optimization_dataReadFftOptimizationDataread_fft_optimization_dataReadFftOptimizationDataread_fft_optimization_data- Load FFT speed optimization data from a file.
rft_genericRftGenericrft_genericRftGenericrft_generic- Compute the real-valued fast Fourier transform of an image.
serialize_fft_optimization_dataSerializeFftOptimizationDataserialize_fft_optimization_dataSerializeFftOptimizationDataserialize_fft_optimization_data- Serialize FFT speed optimization data.
write_fft_optimization_dataWriteFftOptimizationDatawrite_fft_optimization_dataWriteFftOptimizationDatawrite_fft_optimization_data- Store FFT speed optimization data in a file.