GIM: A Million-scale Benchmark for Generative Image Manipulation Detection and Localization - Chen, Yirui; Huang, Xudong; Zhang, Quan; Li, Wei; Zhu, Mingjian; Yan, Qiangyu; Li, Simiao; Chen, Hanting; Hu, Hailin; Yang, Jie; Liu, Wei; Hu, Jie (2024)