@article{awpdfrequencyshieldnetworkforagnosticwat,
  title = {AWPD: Frequency Shield Network for Agnostic Watermark Presence Detection},
  author = {Xiang Ao and Yilin Du and Zidan Wang and Mengru Chen and Siyang Lu},
  year = {2026},
  eprint = {2603.06723},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.06723},
}