More Haste, Less Speed: Weaker Single-Layer Watermark Improves Distortion-Free Watermark Ensembles Authors: Ruibo Chen, Yihan Wu, Xuehao Cui, Jingqi Zhang, Heng Huang | Published: 2026-02-12 著者帰属手法透かしの耐久性透かし攻撃 2026.02.12 文献データベース