-
-
Save kkomakkoma/4fb21b853ce774fe5c6d47e9626e6570 to your computer and use it in GitHub Desktop.
Example of Gabor filter usage
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#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) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment