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Source on BalancedBCEWithLogitsLoss
See original GitHub issueI was wondering if there is a paper or even just a description on the BalancedBCEWithLogitsLoss ?
Issue Analytics
- State:
- Created 2 years ago
- Comments:5 (2 by maintainers)
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The gamma is a my addition to this loss, when gamma=1, it’s equal to vanilla BBCE as in Formula 2. Values >1 decay the balancing weights. E.g if gamma = 2, and positives fraction is 0.25 and negatives is 0.75, corresponding weights will be 0.25^2 and 0.75^ accordingly.
Hi! Indeed, there are. See https://arxiv.org/pdf/1504.06375.pdf formula 2. Will update the code for the future release with proper docs.