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CORR
2007
Springer
149views Education» more  CORR 2007»
13 years 11 months ago
Very fast watermarking by reversible contrast mapping
—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...
Dinu Coltuc, Jean-Marc Chassery
ICMCS
2005
IEEE
126views Multimedia» more  ICMCS 2005»
14 years 4 months ago
A Reversible Watermarking Scheme for JPEG-2000 Compressed Images
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...
Sabu Emmanuel, Chee Kiang Heng, Amitabha Das