focal loss
A loss function that down-weights the cross-entropy loss of easily classified examples. So the loss contributed by a certain example would be: \[ FL(p_t) = -(1-p_t)^\gamma \log(p_t) \]
- source: papers with code
A loss function that down-weights the cross-entropy loss of easily classified examples. So the loss contributed by a certain example would be: \[ FL(p_t) = -(1-p_t)^\gamma \log(p_t) \]
Created: 2025-11-02 Sun 18:49