@article{prpoparagraphlevelpolicyoptimizationforv,
  title = {PRPO: Paragraph-level Policy Optimization for Vision-Language Deepfake Detection},
  author = {Tuan Nguyen and Naseem Khan and Khang Tran and NhatHai Phan and Issa Khalil},
  year = {2025},
  eprint = {2509.26272},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2509.26272},
}