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Recent Block-based Methods of Copy-Move Forgery Detection in Digital Images
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 89 - Number 8 |
| Year of Publication: 2014 |
| Authors: Resmi Sekhar, Chithra A. S |
10.5120/15524-4331
|
Resmi Sekhar, Chithra A. S . Recent Block-based Methods of Copy-Move Forgery Detection in Digital Images. International Journal of Computer Applications. 89, 8 ( March 2014), 28-33. DOI=10.5120/15524-4331
Abstract
Photographs are taken as valid evidences in various scenarios of our day to day life. Because of the developments in the field of Image Processing, altering images according to ones need is not a difficult task. Techniques of Image Forensics play its crucial role at this juncture. One of the mostly found types of image tampering is Copy-Move forgery. A copy-move forgery is performed by copying a region in an image and pasting it on another region in the same image, mostly after some form of post-processing like rotation, scaling, blurring, noise addition, JPEG compression etc. Two types of copy-move forgery detection techniques exist in literature. They are the Block based methods and Key-point based methods. Both the methods have their own advantages and limitations. This paper presents a survey on the recent developments in block based methods.
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