What is the use reason of the scale layer(power type) in LeNet architecture?

[JiHun Jung]

Hello?

I started studying the deep learning using caffe framework with DIGITS.

I have any questions while the network configuration.

In the LeNet network, To exist scale layer(power type) between data layer and conv layer.

I have one question what the role of the layer.

Except for the scale layer, and configure the network, Learning is not all.