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I'm training on a skewed image dataset of 5000 images with class weights. The training loss decreases well and swift, but the validation-set loss fixates after around 6 epochs. I have tried using my custom model and also with transfer learning, with multiple hyperparameters. It follows the same structure everywhere. I am using categorical cross-entropy along with SGD with Nesterov momentum. This does not look like overfitting as the validation set stops performing just after 5 epochs(does not even fit).

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  • $\begingroup$ This question is a duplicate. Search the site to find the duplicate. $\endgroup$ Commented Sep 14, 2019 at 23:25
  • $\begingroup$ I checked. The specifics the different $\endgroup$ Commented Sep 14, 2019 at 23:32
  • $\begingroup$ The other question deals with bad generalization and overfitting. This is not overfitting. $\endgroup$ Commented Sep 15, 2019 at 13:33

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