Exploiting Contextual Objects and Relations for 3D Visual Grounding - Yang, Li; yuan, chunfeng; Zhang, Ziqi; Qi, Zhongang; Xu, Yan; Liu, Wei; Shan, Ying; Li, Bing; Yang, Weiping; Li, Peng; Wang, Yan; Hu, Weiming (Advances in Neural Information Processing Systems, 2023)