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1D gabor Filter

19 Jun 2004 (Updated 21 Jun 2004)

No BSD License

To design 1D Gabor filter and apply it to image.

File Information

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).

Gabor filters are used mostly in shape detectin and feature extractin in image processing.
1D gabor filtering reduces the filtering operations from O(M2N2) to O(MN2).

Required Products

Filter Design Toolbox
Image Processing Toolbox

MATLAB release

MATLAB 6.5 (R13)

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Everyone's Tags	filtering, gabor filter, image enhancement
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Comments and Ratings (2)
19 Oct 2005	KAREN AU	How about a 2D gabor filter ~~ How can it implement on the image?
26 Sep 2006	Emma barry	Good

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Tag Activity for this File
Tag	Applied By	Date/Time
filtering	Ahmad Poursaberi	22 Oct 2008 07:24:41
gabor filter	Ahmad Poursaberi	22 Oct 2008 07:24:41
image enhancement	Ahmad Poursaberi	22 Oct 2008 07:24:41

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