Survey on Illumination Based Digital Image Forgery Detection Techniques

This paper surveys the literature on illumination based digital image forgery detection techniques. With the development of advanced digital image processing techniques, it has been so easy to manipulate images, and therefore forge new realities. So we need an effective approach to distinguish between real and fake images. In this paper, we introduce some methods of digital image forgery detection, mainly including detection based on inconsistencies in lighting, inconsistencies in lighting model, inconsistencies in reflections, specular highlights on the eye and inconsistencies in illumination color. The goal of this paper is to provide a review of the existing literature available on illumination based digital image forgery detection techniques.