@article{Bhatnagar2012Robust,
  title={Robust gray-scale logo watermarking in wavelet domain ☆},
  author={Bhatnagar, Gaurav and Wu, Q. M. Jonathan and Raman, Balasubramanian},
  journal={Computers & Electrical Engineering},
  volume={38},
  number={5},
  pages={1164-1176},
  year={2012},
}