Qiyuan-Z / gitalk

gitalk comment
0 stars 0 forks source link

PyTorch卷积与BatchNorm的融合 | Yuan #65

Open Qiyuan-Z opened 2 years ago

Qiyuan-Z commented 2 years ago

https://qiyuan-z.github.io/2022/01/18/PyTorch%E5%8D%B7%E7%A7%AF%E4%B8%8EBatchNorm%E7%9A%84%E8%9E%8D%E5%90%88/

原理卷积的工作: z=w x+bBN的工作: y=\gamma \frac{z-\mu}{\sqrt{\sigma^{2}+\epsilon}}+\beta把卷积带入BN: y=\gamma \frac{w x+b-\mu}{\sqrt{\sigma^{2}+\epsilon}}+\beta融合后的新卷积: w^{\prime}=\gamma \frac{w}{\sqrt{\sigma^{