Before revision:  To address this increasingly important problem, we propose to restructure BN layers by first splitting it into two sub-layers  and then combining the first sub-layer with its preceding convolutional layer and the second sub-layer with the following activation and convolutional layers .
After revision:  To address this increasingly important problem, we propose to restructure BN layers by first splitting it into two sub-layers and then combining the first sub-layer with its preceding convolutional layer and the second sub-layer with the following activation and CONV layers (fusion) .