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GenevieveBuckley/gradient_edge_enhancement.py

Created June 19, 2018 08:22
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Edge enhancement - sum of the absolute image gradient for all orientations.
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gradient_edge_enhancement.py
def gradient_of_image(image):
"""Direction agnostic."""
grad = np.gradient(image) # gradients for individual directions
grad = np.stack(grad, axis=-1) # from list of arrays to single numpy array
gradient_image = np.sum(abs(grad), axis=-1)
return gradient_image
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