1
$\begingroup$

I need to train an LSTM on some light curves, in order to find a signal (there are 2 classes signal and background). However the signal (data points corresponding to signal) is around 100 times less frequent than the background so I have a huge class imbalance and in the end all points are labelled as background. I tried to use focal loss, but it doesn't help. Is there a way to make it work?

$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.