Image display technology has greatly developed over the past few decades, which make it possible to recapture
high-quality images from the display medium, such as a liquid crystal display(LCD) screen or a printed paper.
The recaptured images are not regarded as a separate image class in the current research of digital image
forensics, while the content of the recaptured images may have been tempered. In this paper, two sets of features
based on the noise and the traces of double JPEG compression are proposed to identify these recaptured images.
Experimental results showed that our proposed features perform well for detecting photographic copying.
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