Ruohan Qian

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Usually digital image forgeries are created by copy-pasting a portion of an image onto some other image. Forged area is often resized & rotated to make it proportional with respect to neighboring unforged area. This is called as resampling operation which changes certain characteristics of the pasted portion. Thus resampling is the default fingerprint(More)
The credibility of digital images is decreasing with the fast development of easy-to-use image manipulation tools such as Photoshop and Picasso. Although good forged images are deceptive to human eyes, the manipulation process often leaves some statistical traces in the forged images. Very often, the forged images are rotated partly or as a whole. If we can(More)
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