@inproceedings{pintore2026counterfeit,
  title     = {Counterfeit Answers: Adversarial Forgery Against {OCR}-Free Document Visual Question Answering},
  author    = {Pintore, Marco and Pintor, Maura and Karatzas, Dimosthenis and Biggio, Battista},
  booktitle = {Document Analysis and Recognition -- {ICDAR} 2026},
  series    = {Lecture Notes in Computer Science},
  publisher = {Springer Nature Switzerland},
  pages     = {265--281},
  year      = {2026},
  doi       = {10.1007/978-3-032-36042-7_16}
}