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Maximum-likelihood detection in DWT domain image watermarking using Laplacian modeling.
T. M. Ng
Hari Krishna Garg
Published in:
IEEE Signal Process. Lett. (2005)
Keyphrases
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image watermarking
maximum likelihood
additive noise
spread spectrum
jpeg compression
geometric distortions
discrete wavelet transform
digital libraries
event detection
copyright protection
motion estimation
high frequency