Social networks are very popular in today's world. Millions of people use various forms of
social networks as they allow individuals to connect with friends and family, and share …

With the growing use of mobile devices and Online Social Networks (OSNs), sharing digital
content, especially digital images is extremely high as well as popular. This made us …

Today's world is unimaginable without online social networks. Nowadays, millions of people
connect with their friends and families by sharing their personal information with the help of …

In the last decade, Social Networks (SNs) have deeply changed many aspects of society,
and one of the most widespread behaviours is the sharing of pictures. However, malicious …

Digital watermarking is an essential technique to add hidden copyright notices or secret
messages to digital audio, image, or image forms. In this paper we introduce a new …

Today, social networks have brought a lot of convenience to their users, but there are still
problems of not respecting privacy. This has caused the security and privacy protection of …

Digital watermarking is an important technique that deals with information hiding which is
used to hide proprietary information in digital media like photographs, digital music, or digital …

This article proposes a novel asymmetric watermarking method as an alternative to classical
direct sequence spread spectrum for still images. In this new technique, the public key is a …

Digital image watermarking is one of the largest research fields, and it plays a vital role in
digital information authentication and security. Based on the study of watermarking systems …

This paper proposes a spatial image watermarking method based on the modification of
reflectance component of a color image. In the proposed method, the reflectance component …