PReLU:Delving Deep into Rectifiers: Surpassing Human-Level Performance on ImageNet Classification 笔记
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1.PReLU
2. 权重初始化方面的内容:
2.1. 前向传播过程(Forward Propagation Case)
对一个卷积层来说:
x是
在我们的初始化策略里,
其中
故:
如果使
从而
对于第L层来说
一个好的初始化权重应当使每层的输入值幅度即不增大也不减少,故应当使连乘中的每一项为1
2.2.反向传播过程(Backward Propagation Case)
( 未完待续)
0 0
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