SupCon-ViT: Supervised contrastive learning for ultra-fine-grained visual categorization. - Xiaowei Lu; Xiaohan Yu 001; Kanqi Wang; Ying Wang; Peiyu Wang; Gang Liu; Yang Zhao 019; Yunhui Xiang; Yongsheng Gao 001; Xiaoyu Wu (DICTA, 2023)