GLIPv2: Unifying Localization and Vision-Language Understanding - Zhang, Haotian; Zhang, Pengchuan; Hu, Xiaowei; Chen, Yen-Chun; Li, Liunian; Dai, Xiyang; Wang, Lijuan; Yuan, Lu; Hwang, Jenq-Neng; Gao, Jianfeng (Advances in Neural Information Processing Systems, 2022)