@article{yao2020jpeg,
  title={JPEG quantization step estimation with coefficient histogram and spectrum analyses},
  author={Yao, Heng and Wei, Hongbin and Qiao, Tong and Qin, Chuan},
  journal={Journal of Visual Communication and Image Representation},
  volume={69},
  pages={102795},
  year={2020},
  publisher={Elsevier}
}