Yuzhe Zhang 0004 Jiawei Zhang Hao Li Zhouxia Wang Luwei Hou Dongqing Zou Liheng Bian Diffusion-based Blind Text Image Super-Resolution. 25827-25836 2024 CVPR https://doi.org/10.1109/CVPR52733.2024.02440 conf/cvpr/2024 db/conf/cvpr/cvpr2024.html#ZhangZLWHZB24