focal_loss.py File Reference

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Namespaces
namespace	fastreid
namespace	fastreid.modeling
namespace	fastreid.modeling.losses
namespace	fastreid.modeling.losses.focal_loss

Functions
torch.Tensor	fastreid.modeling.losses.focal_loss.focal_loss (torch.Tensor input, torch.Tensor target, float alpha, float gamma=2.0, str reduction='mean')