python3.7 derian.py 

python3.7 test.py
ps:make sure data root is right

    InProceedings{
    author = {L. Peng, A. Jiang, Q. Yi and M. Wang},
    title = {Cumulative Rain Density Sensing Network for Single Image Derain(CRDNet)},
    booktitle = {IEEE Signal Processing Letters(SPL)},
    month = {February},
    year = {2020}
    }