Complementary Attention Network If you want to use this module, just plug this module into your network, please cite our paper "B. Su, H. y. Chen, P. Chen, G. Bian, k. Liu and W. Liu, "Deep Learning-based Solar-Cell Manufacturing Defect Detection with Complementary Attention Network," in IEEE Transactions on Industrial Informatics, doi: 10.1109/TII.2020.3008021.", thanks very much.