Unleashing the Power of One-Step Diffusion based Image Super-Resolution via a Large-Scale Diffusion Discriminator - Li, Jianze; Cao, Jiezhang; Zou, Zichen; Su, Xiongfei; Yuan, Xin; Zhang, Yulun; Guo, Yong; Yang, Xiaokang (Advances in Neural Information Processing Systems, 2025)