Comments (3)
No specific reason to not use BatchNorm layers, except for lack of time. Let us know if you found them useful.
The other points :
- Your intuition is probably correct. This is however what we experimented with, so far. You contribution is welcome.
- In step1 and step2, to account for the imbalance problem we used class weights, giving more weight to the liver or tumor pixels, because there are way more background pixels.
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Thank you so much for your reply.
Yes, batch normalization helps a lot. It fastens convergence.
To overcome imbalance problem, I use dice coefficient instead, I found it quite useful.
In caffe and TensorFlow, for some reasons, the batch size is limited to 1 or 2, but with Keras, batch size could be up to 16. This also helps a lot.
@juliandewit, during his big work with DSB2017 challenge, he used 2d u-net with Keras. He also changed a little the architecture. I think this may help. Also a little trick: use batch normalization before conv layer.
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Related Issues (20)
- The dropbox link of weights.caffemodel were expired HOT 6
- Model Address invalidation? HOT 2
- Why is my prediction so bad?
- question HOT 3
- Input image sizing HOT 2
- #question. Do we need to train for step 2 in cascaded FCN? HOT 1
- #Question:The results in the Docker are inconsistent with the illustrations in the paper
- Class Weight Selection HOT 1
- Pretrained TensorFlow Models HOT 5
- Result is very worse followed by the ipynb file HOT 3
- A question about training sets and metrics
- Question:The results for the code are error HOT 11
- Need help in preprocessing HOT 1
- Example Docker does not work (crashes) HOT 6
- Issue with prediction method
- Weights for MRI model
- TypeError: slice indices must be integers or None or have an __index__ method`
- How testing and training is done
- training data format HOT 2
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