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RandomGaussianBlur crashes when factor=0 #1968

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merged 4 commits into from
Jul 31, 2023
Merged

RandomGaussianBlur crashes when factor=0 #1968

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9793756
RandomGaussianBlur crashes when factor=0
muxamilian Jul 23, 2023
e7ae813
Make sure `factor` cannot become too small
muxamilian Jul 28, 2023
877c635
Use keras.backend.epsilon() instead of 0.01
muxamilian Jul 31, 2023
39ad46d
Update random_gaussian_blur.py
muxamilian Jul 31, 2023
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4 changes: 3 additions & 1 deletion keras_cv/layers/preprocessing/random_gaussian_blur.py
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,9 @@ def __init__(self, kernel_size, factor, **kwargs):
)

def get_random_transformation(self, **kwargs):
factor = self.factor()
# `factor` must not become too small otherwise numerical issues occur.
# keras.backend.epsilon() behaves like 0 without causing `nan`s
factor = tf.math.maximum(self.factor(), keras.backend.epsilon())
blur_v = RandomGaussianBlur.get_kernel(factor, self.y)
blur_h = RandomGaussianBlur.get_kernel(factor, self.x)
blur_v = tf.reshape(blur_v, [self.y, 1, 1, 1])
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