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New detector for spread-spectrum based image watermarking using underdetermined ICA.
Hafiz Malik
Ashfaq A. Khokhar
Rashid Ansari
Published in:
Security, Steganography, and Watermarking of Multimedia Contents (2006)
Keyphrases
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image watermarking
spread spectrum
watermarking algorithm
jpeg compression
copyright protection
face recognition
signal processing
discrete wavelet transform
geometric distortions
digital watermarking
additive noise
lossy compression
principal component analysis
computer vision
transform domain