CORR
2007
Springer
13 years 4 months ago
2007
Springer
—Reversible contrast mapping (RCM) is a simple integer transform that applies to pairs of pixels. For some pairs of pixels, RCM is invertible, even if the least significant bits...
ICMCS
2005
IEEE
13 years 10 months ago
2005
IEEE
In this paper, we present a novel reversible watermarking scheme for image authentication for JPEG/JPEG-2000 coded images. Since the watermarking scheme is reversible, the exact o...