DistributionBalancedLoss

Distribution-Balanced Loss

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P I ( x k ) P^I(x^k) PI(xk)= 1 C ∑ y i k = 1 1 n i {1\over C}\sum\limits_{y_i^k=1}{1\over{n_i}} C1yik=1ni1 P i C ( x k ) P^C_i(x^k) PiC(xk)= 1 C 1 n i {1\over C}{1\over{n_i}} C1ni1
r i k _i^k ik= P i C ( x k ) P I ( x k ) {P^C_i(x^k)}\over{P^I(x^k)} PI(xk)PiC(xk)
NTR means ‘negative-tolerant regularization’,R-BCE performs a re-balanced weighting strategy

辅助信息

作者使用的’MMDataParallel’ has been removed,不建议复现

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