Xia, B., Hang, Y., Tian, Y., Yang, W., Liao, Q. and Zhou, J. 2022. Efficient Non-local Contrastive Attention for Image Super-resolution. Proceedings of the AAAI Conference on Artificial Intelligence. 36, 3 (Jun. 2022), 2759-2767. DOI:https://doi.org/10.1609/aaai.v36i3.20179.