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Added Binary Focal Cross Entropy #10674

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Merged
merged 9 commits into from
Oct 23, 2023
Merged

Added Binary Focal Cross Entropy #10674

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48d8223
Added Binary Focal Cross Entropy
ank426 Oct 18, 2023
f2cfd1f
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 18, 2023
13ba251
Fixed Issue
ank426 Oct 18, 2023
3216ecd
Merge branch 'Binary-Focal-Cross-Entropy' of https://github.com/Void4…
ank426 Oct 18, 2023
8d8c33f
Fixed Issue
ank426 Oct 18, 2023
b7a7ad4
Merge branch 'TheAlgorithms:master' into Binary-Focal-Cross-Entropy
ank426 Oct 23, 2023
54cb149
Added BFCE loss to loss_functions.py
ank426 Oct 23, 2023
9ea3174
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 23, 2023
2438ac2
Update machine_learning/loss_functions.py
tianyizheng02 Oct 23, 2023
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@ank426
ank426 committed Oct 18, 2023
commit 8d8c33f9cc16f3fe33b59b4595fe72e973bde2f5
2 changes: 1 addition & 1 deletion machine_learning/loss_functions/binary_focal_cross_entropy.py
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Expand Up @@ -7,7 +7,7 @@
focusing on hard examples.

Formula:
Focal Loss = -Σ(alpha * (1 - y_pred)**gamma * y_true * log(y_pred)
Focal Loss = -Σ(alpha * (1 - y_pred)**gamma * y_true * log(y_pred)
+ (1 - alpha) * y_pred**gamma * (1 - y_true) * log(1 - y_pred))

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