Fine-Grained Augmentation and Progressive Feature Integration for Unsupervised Fine-Grained Hashing. - Yun-Cong Liu; Zhen-Duo Chen 001; Qingze Bai; Xiao-Dong Xie; Hao Liu; Xin Luo 006; Xin-Shun Xu (ACM Trans. Multim. Comput. Commun. Appl., 2026)