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Detecting Duplicated Regions in Image Forgeries: A Survey and Analysis of Current Methods

Sonia Singha, J. Dinesh Peter

Abstract


Copy-move forgery is a specific type of image tampering where a part of the image is copied and pasted on another part generally to conceal unwanted portions of the image. Hence, the goal in detection of copy-move forgeries is to detect image areas that are same or extremely similar. In real life, image manipulations are scattered with genuine applications and simple block matching is not often sufficient to detect those forgeries accurately. Many modern techniques were evolved in detecting various copy-move forgeries.This paper presents a survey of various techniques used in copy-move forgery detection mechanisms. It also concludes about which technique has better performance on detection of forgery. The goal of this paper is to provide a comprehensive review of different techniques to detect copy-move forgery.


Keywords


Image Forgeries, Digital Forensics, Copy-Move Forgery Detection, Block Matching, Tamper Detection.

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References


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