Watermarking for Factuality: Guiding Vision-Language Models Toward Truth via Tri-layer Contrastive Decoding. - Kyungryul Back; Seongbeom Park; Milim Kim; Mincheol Kwon; SangHyeok Lee; Hyunyoung Lee; Junhee Cho; Seunghyun Park 001; Jinkyu Kim 001 (CoRR, 2025)