A novel robust tamper detection medical watermarking scheme is proposed in the transform
domain for authentication and detecting tamper pixels of medical images. In this scheme, 2 …

Security is an important issue in image storage and communication, encryption is one of the
most common ways to ensure security. Recently, many schemes based on chaotic map …

With the development of the Internet, security on networked computers is becoming more
and more necessary. Identity verification codes provide additional security for web systems …

In the last decade the need for new and robust watermarking schemes has been increased
because of the large illegal possession by not respecting the intellectual property rights in …

Avec le développement de l'utilisation d'internet et la révolution de la technologie de
l'information et de la communication, notre société est de plus en plus électroniquement …