@article{recoveringsignbitsofdctcoefficientsin,
  title = {Recovering Sign Bits of DCT Coefficients in Digital Images as an Optimization Problem},
  author = {Ruiyuan Lin and Sheng Liu and Jun Jiang and Shujun Li and Chengqing Li and C. -C. Jay Kuo},
  year = {2022},
  eprint = {2211.01096},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2211.01096v2},
}