Add old python code

1 files changed, 30 insertions, 0 deletions

diff --git a/gabor.py b/gabor.py
new file mode 100755
index 0000000..07d1e0e
--- /dev/null
+++ b/gabor.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+
+import cv2
+import numpy as np
+from util import *
+
+KSIZE=21
+
+for i in range(1, 22 + 1):
+    path="SLO Data for registration/SLO001/SLO_subject001_frame" + str(i) + ".png"
+    img = cv2.imread(path)
+    img = ~img # invert
+
+    img = img[:] * 2
+
+    # cv2.getGaborKernel(ksize, sigma, theta, lambda, gamma, psi, ktype)
+    # ksize - size of gabor filter (n, n)
+    # sigma - standard deviation of the gaussian function
+    # theta - orientation of the normal to the parallel stripes
+    # lambda - wavelength of the sunusoidal factor
+    # gamma - spatial aspect ratio
+    # psi - phase offset
+    # ktype - type and range of values that each pixel in the gabor kernel can hold
+    kern = cv2.getGaborKernel((KSIZE, KSIZE), 8.0, np.pi/4, 10.0, 0.5, 0, ktype=cv2.CV_32F)
+    showResized("frame", img)
+    showResized("kern", kern)
+
+    filt = cv2.filter2D(img, cv2.CV_8U, kern)
+    showResized("filtered", filt)
+    cv2.waitKey(0)