DistributionBalancedLoss

Distribution-Balanced Loss

P

I

(

x

k

)

P^I(x^k)

PI(xk)=

1

C

∑

y

i

k

=

1

1

n

i

{1over C}sumlimits_{y_i^k=1}{1over{n_i}}

C1​yik​=1∑​ni​1​，

P

i

C

(

x

k

)

P^C_i(x^k)

PiC​(xk)=

1

C

1

n

i

{1over C}{1over{n_i}}

C1​ni​1​
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

代码007普通

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