Li, Xin, Xin Jin, Tao Yu, Simeng Sun, Yingxue Pang, Zhizheng Zhang, and Zhibo Chen. “Learning Omni-Frequency Region-Adaptive Representations for Real Image Super-Resolution”. Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 3 (May 18, 2021): 1975–1983. Accessed May 8, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/16293.