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Adaptive bistable stochastic resonance based blind watermark extraction in discrete cosine transform domain.
Jin Liu
Zan Li
Qiguang Miao
Peihan Qi
Danyang Wang
Published in:
IET Image Process. (2023)
Keyphrases
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transform domain
discrete cosine
spatial domain
transform coefficients
discrete cosine transform
additive noise
dct coefficients
watermarked image
spread spectrum
dct domain
macroblock
motion estimation
watermarking scheme
transform coding
copyright protection
watermark embedding