CIPHER: Counterfeit Image Pattern High-level Examination via Representation. - Kyeonghun Kim; Youngung Han; Seoyoung Ju; Yeonju Jean; YooHyun Kim; Minseo Choi; SuYeon Lim; Kyungtae Park; Seungwoo Baek; Sieun Hyeon; Nam-Joon Kim; Hyuk-Jae Lee (CoRR, 2026)