This paper proposes a novel fragile watermarking scheme capable of perfectly recovering
the original image from its tampered version. In the scheme, a tailor-made watermark …

Fragile watermarking techniques for digital content have been studied in the past few years.
Fragile watermarks are used to determine if a piece of watermarked digital content has been …

In this paper, we propose a novel scheme of automatic image authentication and recovery,
in which the altered region of the image can be detected and recovered in a fully automated …

Problem statement: In recent years, as digital media are gaining wider popularity, their
security related issues are becoming greater concern. Method for authenticating and …

Watermarking technique is one of the active research fields in recent ten years, which can
be used in copyright management, content authentication, and so on. For the authentication …

This paper proposes a new reversible, imperceptible, semi fragile watermarking scheme for
the authentication of digital fundus images that satisfies eight mandatory requirements. They …

Authentication is an important concept in transferring data such as images, videos and etc.
In this paper, a new authentication method based on watermark embedding is proposed …

With the rapid development of information technology, digital images have become an
important medium for information transmission. However, manipulating images is becoming …

This paper proposes a novel reversible image authentication method that does not
memorize the parameters for extracting embedded authentication data from an image. The …

This paper presents an authentication watermarking method which can localize the
tampering regions in fine granularity. Unlike the previous block-wise tampering-localization …