The ever-growing numbers of medical digital images and the need to share them among
specialists and hospitals for better and more accurate diagnosis require that patients' privacy …

Digital watermarking is a technique that provides security and authentication for digital
image transmission. In general, patient reports are stored in the form of a medical image. A …

Holographic communication is a three-dimensional (3D) video communication technology
based on computer-generated holograms (CGHs) which has the potential to give users a …

The present work compares single and multiple watermarking by using discrete wavelet
transform and different embedding methods. The different embedding methods are additive …

Today, with the growth in application of communication equipment as well as the use of
Internet for information exchange, the need for data security and protection is felt more than …

With rapid development of digital technology, protecting information such as copyright,
content ownership confirmation has become more important. In image watermarking …

In this paper, the main idea of the proposed method is to build a secure image transmission
combining watermarking and encryption techniques. From one hand, it consists of an image …

This study aims to focus on the basic components of computational thinking (CT) and to
investigate its relationship with competencies/skills in the 21st century and establish new …

Robustness against geometric distortion is one of the crucial important issues in
watermarking. The discrete Fourier transform (DFT)-based watermarking methods have …

Digital watermarking is considered one of the technological means used to guarantee the
security and authenticity of data transmitted over communication systems. A new method of …