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image deblurring python

HandsomeOldGod5355 answered on April 14, 2022 Popularity 6/10 Helpfulness 6/10

answer image deblurring python

image deblurring python

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from scipy.ndimage import convolve

blurred_image = # Load image
kernel = # Load kernel/psf
learning_rate = # You need to find this yourself, do a logarithmic line search. Small rate will always converge, but slowly. Start with 0.4 and divide by 2 every time it fails.
maxit = 100

def loss(image):
    return np.sum(convolve(image, kernel) - blurred_image)

def gradient(image):
    return convolve(convolve(image, kernel) - blurred_image)

deblurred = blurred_image.copy()
for _ in range(maxit):
    deblurred -= learning_rate*gradient(image)

Popularity 6/10 Helpfulness 6/10 Language python

Source: Grepper

Tags: image python

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Contributed on Apr 14 2022

HandsomeOldGod5355

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