ShieldGemma 2: Robust and Tractable Image Content Moderation. - Wenjun Zeng; Dana Kurniawan; Ryan Mullins; Yuchi Liu; Tamoghna Saha; Dirichi Ike-Njoku; Jindong Gu; Yiwen Song; Cai Xu; Jingjing Zhou; Aparna Joshi; Shravan Dheep; et al. (CoRR, 2025)