Abstract

Digital images are a critical wellspring for information. However, a forged image has the potential to spread wrong information and thus may defeat the cause. This resulted in wide research interest in developing image authenticity mechanisms. To be specific, digital image forgery (DIF) detection is an open research area. This paper first provides an overview of (DIF) and its consequences to society at large. Next, image authentication techniques developed by us in the recent past are briefly discussed. In the end, key future research directions are listed with concluding remarks.

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