1. Zhang, J.H.: Research on digital watermarking algorithm for medical image. Nanjing University of Posts and Telecommunications (2016)
2. Wu, X.Q., Li, J.B., Tu, R., Cheng, J.R., Bhatti, U.A., Ma, J.: Contourlet-DCT based multiple robust watermarkings for medical images. Multimed. Tools Appl. 78, 8463–8480 (2018).
https://doi.org/10.1007/s11042-018-6877-5
3. Tang, Z.J., Ling, M., Yao, H., Qian, Z.: Robust image hashing via random gabor filtering and DWT. CMC Comput. Mater. Continua 55(2), 331–344 (2018)
4. Kaur, S., Farooq, O., Singhal, R.: Digital watermarking of ECG data for secure wireless communication. In: Proceedings of the 2010 IEEE International Conference on Recent Trends in Information, Telecommunication and Computing, pp. 140–144 (2010)
5. Navas, K.A., Sasikumar, M.: Survey of medical image watermarking algorithms. In: Proceedings of the 4th Science of Electronic Technologies of Information and Telecommunications International Conference, pp. 5–29 (2007)