Fig. 3

The architecture of multi-scale attention block (MSAB). Our MSAB mainly consists of 3 attention blocks (AB) with different scales of convolution kernel to explore the multi-scale features for the better enhancement.

The architecture of multi-scale attention block (MSAB). Our MSAB mainly consists of 3 attention blocks (AB) with different scales of convolution kernel to explore the multi-scale features for the better enhancement.