Distribution-Balanced Loss
P
I
(
k
)
P^I(x^k)
PI(xk)=
1
C
∑
i
k
=
1
1
n
i
{1over C}sumlimits_{y_i^k=1}{1over{n_i}}
C1yik=1∑ni1,
P
i
C
(
x
k
)
P^C_i(x^k)
PiC(xk)=
1
C
1
n
i
C1ni1
r
i
k
_i^k
ik=
P
i
C
(
x
k
)
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
原文地址:https://blog.csdn.net/qq_46221910/article/details/134790449
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