This is the source code for the paper：
Luan Dong, Qin Yan , Yong Lv, Shuyu Deng. Full band watermarking in DCT domain with Weibull model[J] Multimedia Tools and Applications, 2017, 76(2): 1983-2000. https://doi.org/10.1007/s11042-015-3115-2
The entry point is main.m（other main*.m files are for the algorithm comparison in the paper ）. There are many utility functions which makes the code a little bit messy. However, you can follow the main*.m files to figure out the usages and purposes of various functions.
If you find the code is helpful, please cite the above paper.