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Fix meshgrid bug in gabor kernel and argument passing

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This commit is contained in:
Johannes Schönberger
2012-10-28 22:32:09 +01:00
parent 5f70bbd561
commit d240e91413
1 changed files with 2 additions and 2 deletions
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skimage/filter/_gabor.py
+2 -2
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@@ -36,7 +36,7 @@ def gabor_kernel(sigmax, sigmay, frequency, theta, offset=0):
x0 = np.ceil(max(3 * sigmax, 1))
y0 = np.ceil(max(3 * sigmay, 1))
y, x = np.mgrid[-x0:x0+1, -y0:y0+1]
y, x = np.mgrid[-y0:y0+1, -x0:x0+1]
rotx = x * np.cos(theta) + y * np.sin(theta)
roty = -x * np.sin(theta) + y * np.cos(theta)
@@ -86,7 +86,7 @@ def gabor_filter(image, sigmax, sigmay, frequency, theta, offset=0,
"""
g = gabor_kernel(sigmax, sigmay, frequency, theta, offset=0)
g = gabor_kernel(sigmax, sigmay, frequency, theta, offset)
filtered_real = ndimage.convolve(image, np.real(g), mode=mode, cval=cval)
filtered_imag = ndimage.convolve(image, np.imag(g), mode=mode, cval=cval)