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I am getting the same result using Tensorflow Version 1.4.0
This problem however only occurs on models which do not perform well in the domain I am using (the majority of the saliency maps are NaN, however on occasion the model will provide a very dark saliency map). I have trained models which perform well in the domain and provide clear saliency maps.
Thus, I am curious if there is an interpretation for the NaN's or a conclusion that can be made. My feeling is that the NaN's occur due to the model's inability to develop strong or decisive weights. Would this be a logical cause for the NaNs?
After predicted 237 correctly. It failed becaused the returned masks were all nan
`# Compute the vanilla mask and the smoothed mask.
vanilla_mask_3d = gradient_saliency.GetMask(im, feed_dict = {neuron_selector: prediction_class})
`
saliency/saliency/base.py
Line 97 in e962539
values of vanilla_mask_3d:
[[[nan nan nan]
[nan nan nan]
[nan nan nan]
...
[nan nan nan]
[nan nan nan]
[nan nan nan]]
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