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Extension of Structural Watermarks Based on Balanced Incomplete Block Designs.
Zhi-Fang Yang
Po-Chen Lee
Wei-Hung Chen
Jia-Guu Leu
Published in:
J. Inf. Hiding Multim. Signal Process. (2011)
Keyphrases
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digital images
structural information
watermarking scheme
image blocks
metadata
dct coefficients
missing values
structural analysis
jpeg compression
copyright protection
uncertain information
spread spectrum
image authentication