With the rapid progress in recent years, techniques that generate and manipulate
multimedia content can now provide a very advanced level of realism. The boundary …

Today manipulation of digital images has become easy due to powerful computers,
advanced photo-editing software packages and high resolution capturing devices. Verifying …

Abstract People increasingly use Social Media (SM) platforms such as Twitter and Facebook
during disasters and emergencies to post situational updates including reports of injured or …

To ensure the actual presence of a real legitimate trait in contrast to a fake self-manufactured
synthetic or reconstructed sample is a significant problem in biometric authentication, which …

The aim of this survey is to provide a comprehensive overview of the state of the art in the
area of image forensics. These techniques have been designed to identify the source of a …

In recent decades, we have witnessed the evolution of information technologies from the
development of VLSI technologies, to communication and networking infrastructure, to the …

We are undoubtedly living in an age where we are exposed to a remarkable array of visual
imagery. While we may have historically had confidence in the integrity of this imagery …

In this paper, we provide a unified framework for identifying the source digital camera from
its images and for revealing digitally altered images using photo-response nonuniformity …

Accurate unsupervised tampering localization is one of the most challenging problems in
digital image forensics. In this paper, we consider a photo response non-uniformity analysis …

As a retouching manipulation, contrast enhancement is typically used to adjust the global
brightness and contrast of digital images. Malicious users may also perform contrast …