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Reversible watermarking method based on adaptive thresholding and companding technique.
Nisar Ahmed Memon
Asifullah Khan
S. A. M. Gilani
Mushtaq Ahmad
Published in:
Int. J. Comput. Math. (2011)
Keyphrases
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adaptive thresholding
watermarking method
watermarking scheme
digital watermarking
copyright protection
jpeg images
watermarking algorithm
image segmentation
watermark embedding
video sequences
medical images
data hiding
dct coefficients
carotid artery
highly robust