Document Type : Original Manuscript
Department of Computer Engineering, Artificial Intelligence, South Tehran Branch, Islamic Azad University, Tehran, Iran
Department of Applied Mathematics, Iran University of Science and Technology, Tehran, Iran
Watermarking is an operation to hide important information. In this paper, a new watermarking algorithm using Shearlet transform and GWO optimization algorithm as well as SVD transform is presented. The results of this paper show the improvement of robustness and transparency of the new algorithm.