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FienSoP/gaussian_kernel.py

Created January 16, 2019 09:58
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Function that generate a Gaussian kernel of specific size and specific sigma
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gaussian_kernel.py
import numpy as np
def gaussian_kernel(size, sigma=1):
size = int(size) // 2
x, y = np.mgrid[-size:size+1, -size:size+1]
normal = 1 / (2.0 * np.pi * sigma**2)
g = np.exp(-((x**2 + y**2) / (2.0*sigma**2))) * normal
return g
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