This code runs a two-stage robust reversible watermarking using polar harmonic transform for high robustness and capacity.
For more details, see the following paper. Tang Y, Li K, Wang C, et al. A two-stage robust reversible watermarking using polar harmonic transform for high robustness and capacity[J]. Information Sciences, 2023: 119786. doi: 10.1016/j.ins.2023.119786
Originally written by Yichao Tang (email: [email protected]).