convol_fft__ |
Convolve an image with a byte-mask in the frequency domain. |
convol_gabor__ |
Convolve an image with a Gabor filter in the frequency domain. |
energy__ |
Calculate the energy of a two-channel image. |
fft__ |
Compute the fast Fourier transform of an image. |
fft_generic |
Compute the fast Fourier transform of an image. |
fft_inv__ |
Compute the inverse fast Fourier transform of an image. |
gen_bandfilter |
Generate an ideal band filter. |
gen_bandpass |
Generate an ideal bandpass filter. |
gen_filter_mask |
Store a filter mask in the spatial domain as a real-image. |
gen_gabor |
Generate a Gabor filter. |
gen_highpass |
Generate an ideal highpass filter. |
gen_lowpass |
Generate an ideal lowpass filter. |
gen_sin_bandpass |
Generate a bandpass filter with sinusoidal shape. |
gen_std_bandpass |
Generate a bandpass filter with Gaussian or sinusoidal shape. |
phase_deg |
Return the phase of a complex image in degrees. |
phase_rad |
Return the phase of a complex image in radians. |
power_byte |
Return the power spectrum of a complex image. |
power_ln |
Return the power spectrum of a complex image. |
power_real |
Return the power spectrum of a complex image. |