Rui Sun 0004 Yifan Zhang Xiaolu Yu Yuwei Dai Yaofei Wang Semantic-Aware and Semi-Fragile Diffusion Watermarking for Proactive Deepfake Detection. 2026 688-692 33 IEEE Signal Process. Lett. https://doi.org/10.1109/LSP.2026.3655346 db/journals/spl/spl33.html#SunZYDW26 streams/journals/spl