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WillBrennan avatar WillBrennan commented on June 30, 2024

Can you list the categories you've got in your validation set and in your training set and how many images are in each? Likewise the parameters you launched training with?

This error often occurs if you decrease the batch-size to 1.

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SaharGezer avatar SaharGezer commented on June 30, 2024

I have only one category:
INFO:root:categories: ['rail']

Training Set : 6800 Images
Val Set: 1700 Images

The net: BiSeNetV2

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WillBrennan avatar WillBrennan commented on June 30, 2024

My mistake; forgot those are in the logs above! This error is caused by batchnorm having a small batch. If you increase the batch-size this'll fix it. Its failing a check in batch-norm where it requires more than one sample per a channel to calculate the sample standard deviation per a channel.

Call train will giving --batch-size 8 should fix it.

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