Example of Gabor filter usage

gistfile1.py

#opencv
import cv2.cv as cv
import cv2
import numpy as np

def build_filters():

    filters = []
    ksize = 31
    for theta in np.arange(0, np.pi, np.pi / 32):
        params = {'ksize':(ksize, ksize), 'sigma':1.0, 'theta':theta, 'lambd':15.0,
                  'gamma':0.02, 'psi':0, 'ktype':cv2.CV_32F}
        kern = cv2.getGaborKernel(**params)
        kern /= 1.5*kern.sum()
        filters.append((kern,params))
    return filters

def process(img, filters):
    results = []
    for kern,params in filters:
        fimg = cv2.filter2D(img, cv2.CV_8UC3, kern)
        results.append[fimg]
    return results


# main
g = some_image
filters = build_filters()
filtered_images = process(g, filters)