It is important to establish the ownership of images published over the Internet, and this paper proposes an adaptive algorithm based on the general nature of images. Convincing results show how owners can use a watermark that, on the one hand, is not visible to the human eye, but that, on the other hand, proves 100 percent successful for ownership recognition.

The key to the algorithm is that it uses binary logos and small images that examine secret information to encode the ownership information in the final image. Al-Nu’aimi shows how it is always possible to retrieve the watermark from the host image, thus proving its robustness. The peak signal-to-noise ratio (PSNR) and Microsoft Security Essentials (MSE) validate the objective results.