Image Forgery: Restoration and Security

Abstract

The problem of digital forgeries has become more and more serious in various fields like entertainment, digital forensics, and journalism. Due to the increasing amount of data in the world people uses public transfer medias like internet for storing and transferring data. Digital data can be transmitted  in a fast and inexpensive way through data communication networks without losing quality. So that most of us are use this way of communication. Malicious users or hackers can use this situation badly. Anyone with a clear knowledge in computer can alter the images by accessing from internet. The revised photo as a forensic evidence will distort the truth of the case badly. Tampered pictures on the social network can have a negative impact on the parties as well. In order to ensure the authenticity and integrity of digital media, there arise a need   of security techniques. In this paper, we are discussing about  the image restoration techniques from forgery and the security mechanisms to prevent images from further forgeries.