the initial cost is 0

[ghost]

the initial cost is 0 so no optimization happens

[xiaoyu-meng-mxy]

same problem. Is there any solutions for this?

[xiaoyu-meng-mxy]

maybe you should delete line 283

[ashwin-999]

i'm running it on notebook, and i'm facing the same problem. Any fix?

[robbierolin]

Cast the constants in the loss functions to floats
e.g.
return (1 / float(4 * N**2 * M**2)) * tf.reduce_sum(tf.pow(G - A, 2))

[amseet]

Hi,
I did the changes you recommended by @robbierolin, but now I get nan values for sum and black patches on the image.

Can anyone help?

Thank you in advance.