SIDeR: Semantic Identity Decoupling for Unrestricted Face Privacy. - Zhuosen Bao; Xia Du; Zheng Lin 001; Jizhe Zhou 001; Zihan Fang; Jiening Wu; Yuxin Zhang; Zhe Chen 015; Chi-Man Pun; Wei Ni 001; Jun Luo 001 (CoRR, 2026)