DCT sign-based Robust Steganography

The implementation of
the paper "Sign Steganography Revisited with Robust Domain Selection" (SSR)
https://doi.org/10.1016/j.sigpro.2022.108522
the paper "Robust Steganography Resisting JPEG Compression by Improving Selection of Cover Element" (ESS) https://doi.org/10.1016/j.sigpro.2021.108048
the paper "Robust Steganography by Modifying Sign of DCT Coefficients" (SS)
https://doi.org/10.1109/ACCESS.2019.2953504

The code is strictly for non-commercial academic use only.
Contact: tong.qiao@hdu.edu.cn / shinewu@hnu.edu.cn

How to use：

1. prepare_image.m
2. prepare_cost.m
3. Main.m
4. Main_test.m

Note: In the code, it is not recommended to modify the default path, and the "cover_num" and "payload" can be changed.