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19 February 2014 Copy-move forgery detection from printed images
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Proceedings Volume 9028, Media Watermarking, Security, and Forensics 2014; 90280Y (2014)
Event: IS&T/SPIE Electronic Imaging, 2014, San Francisco, California, United States
Counterfeiting digital images through a copy-move forgery is one of the most common ways of manipulating the semantic content of a picture, whereby a portion of the image is copy-pasted elsewhere into the same image. It could happen, however, instead of a digital image only its analog version may be available. Scanned or recaptured (by a digital camera) printed documents are widely used in a number of different scenarios, for example a photo published on a newspaper or a magazine. In this paper, the problem of detecting and localizing copy-move forgeries from a printed picture is focused. The copy-move manipulation is detected by verifying the presence of duplicated patches in the scanned image by using a SIFT-based method, tailored for printed image case. Printing and scanning/recapturing scenario is quite challenging because it involves different kinds of distortions. The goal is to experimentally investigate the requirement set under which reliable copy-move forgery detection is possible. We carry out a series of experiments, to pursue all the different issues involved in this application scenario by considering diverse kinds of print and re-acquisition circumstances. Experimental results point out that forgery detection is still successful though with reduced performances, as expected.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Irene Amerini, Roberto Caldelli, Alberto Del Bimbo, Andrea Di Fuccia, Luigi Saravo, and Anna Paola Rizzo "Copy-move forgery detection from printed images", Proc. SPIE 9028, Media Watermarking, Security, and Forensics 2014, 90280Y (19 February 2014);


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