1. A. Khan, A. Siddiqa, S. Munib, and S. A. Malik, "A recent survey of reversible watermarking techniques," Information sciences, vol. 279, pp. 251--272, 2014.
2. B. Ou, X. Li, Y. Zhao, R. Ni and Y. Q. Shi, "Pairwise Prediction-Error Expansion for Efficient Reversible Data Hiding," IEEE Trans. Image Processing, vol. 22, no. 12, pp. 5010--5021, Dec. 2013.
3. B. Ou, X. Li, J. Wang and F. Peng, "High-fidelity reversible data hiding based on geodesic path and pairwise prediction-error expansion," Neurocomputing, vol. 226, pp. 23--34, Feb, 2017.
4. J. Wang, J. Ni, X. Zhang and Y. Shi, "Rate and distortion optimization for reversible data hiding using multiple histogram shifting," IEEE Trans. cybernetics, vol.47, no. 2, pp. 315--326, Feb, 2017.
5. H. Yao, C. Qin, Z. Tang, and Y. Tian, "Guided filtering based color image reversible data hiding," Journal of Visual Communication and Image Representation, vol. 43, pp. 152--163, 2017.