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Quadruple Watermarking against Geometrical Attacks Based on Searching for Vertexes.
Hai-Yan Zhao
Hong-Xia Wang
Published in:
IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2007)
Keyphrases
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digital images
fragile watermarking
watermarking algorithm
copyright protection
spread spectrum
learning algorithm
computer vision
case study
database systems
multiresolution
neural network
search strategies
data sets
digital watermarking
information hiding
image processing operations
real time