… location for content authentication is affected since the fragile watermark is not included in
the characteristic regions. In order to improve the local precision, the fragile watermarks will …

… protection and content authentication along with security and privacy of users. Digital
watermarking deals with hiding of secret data watermark) in some digital content which can be …

… techniques for content authentication are usually designed to be fragile or semifragile
watermarks, since they should not tolerate malicious tampering that modifies the content of the …

… Digital content can be embedded with fragile watermarks that get destroyed whenever
any … is made to the content. Such watermarks can be used to authenticate the content. …

… The fragile watermark for integrity authentication of image data and protection of copyright
has become a hotspot. In the storage and transmission process, image data must be …

… Subsequently, there have been many authentication techniques for … on digital watermarks
and in this paper, we focus on such techniques. There are basically two types of watermarks …

… carry the ownership information of the content. The procedure of embedding copyright
information in the form of a digital watermark into digital media is called digital watermarking. …

… tent authentication the goal is not to retrieve the watermark but … protection and authentication
of contents. As the challenges in … (intra-frame) such as content modification or cropping and …

… Our contribution focuses mainly on the design of a content-… with digital signatures for
high-security applications. We introduce two watermarking algorithms: our first approach is a content…

… multimedia content needs special hardware for copying and viewing, a digital watermark can
… algorithm, using an invisible authentication watermark to protect a visible watermark. The …