Search - gabor 1D

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[Special Effects] 1D gabor Filter DL : 0: Description: Recent studies on Mathematical modeling of visual cortical cells [Kulikowski/Marcelja/Bishop:1982] suggest a tuned band pass filter bank structure. These filters are found to have Gaussian transfer functions in the frequency domain. Thus, taking the Inverse Fourier Transform of this transfer function we get a filter characteristics closely resembling to the Gabor filters. The Gabor filter is basically a Gaussian (with variances sx and sy along x and y-axes respectively) modulated by a complex sinusoid (with centre frequencies U and V along x and y-axes respectively).
Update : 2008-10-13 Size : 2.33kb Publisher : gz
[Special Effects] scalogram DL : 0: scalogram.m Function to calculate the phase and amplitude scalograms of a 1D signal. The analysis is done using quadrature pairs of log Gabor wavelets.
Update : 2008-10-13 Size : 3kb Publisher : wang gang
[Special Effects] gaborconvolve DL : 0: gaborconvolve - function for convolving each row of an image with 1D log-Gabor filters ％％ Usage: ％ [template, mask] = createiristemplate(eyeimage_filename) ％％ Arguments:
Update : 2008-10-13 Size : 1.5kb Publisher : wpf
[Special Effects] 1D gabor Filter DL : 0: Description: Recent studies on Mathematical modeling of visual cortical cells [Kulikowski/Marcelja/Bishop:1982] suggest a tuned band pass filter bank structure. These filters are found to have Gaussian transfer functions in the frequency domain. Thus, taking the Inverse Fourier Transform of this transfer function we get a filter characteristics closely resembling to the Gabor filters. The Gabor filter is basically a Gaussian (with variances sx and sy along x and y-axes respectively) modulated by a complex sinusoid (with centre frequencies U and V along x and y-axes respectively).
Update : 2025-02-17 Size : 2kb Publisher : gz
[Special Effects] scalogram DL : 0: scalogram.m Function to calculate the phase and amplitude scalograms of a 1D signal. The analysis is done using quadrature pairs of log Gabor wavelets.
Update : 2025-02-17 Size : 3kb Publisher : wang gang
[Special Effects] gaborconvolve DL : 0: gaborconvolve - function for convolving each row of an image with 1D log-Gabor filters ％％ Usage: ％ [template, mask] = createiristemplate(eyeimage_filename) ％％ Arguments:-gaborconvolve- function for convolving each row of an image with 1D log-Gabor filters Usage: [template, mask] = createiristemplate (eyeimage_filename) Arguments:
Update : 2025-02-17 Size : 1kb Publisher : wpf
[matlab] Gabor_filter_2D_and_1D DL : 0: Functions for 1D and 2D Gabor Filtering with the parameters as Centre Frequencies (u,v) and the Scale (sigmax,sigmay) of the Gabor Filter - Functions for 1D and 2D Gabor Filtering with the parameters as Centre Frequencies (u,v) and the Scale (sigmax,sigmay) of the Gabor Filter
Update : 2025-02-17 Size : 7kb Publisher : Ts0
[Other] Onedimentionall_gabor_filter DL : 0: It is 1D gabor filter code in matlab
Update : 2025-02-17 Size : 1kb Publisher : Abdin