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Locally optimum watermark decoder based on fast quaternion generic polar complex exponential transform.
Si-yu Zhang
Chun-peng Wang
Yaoru Sun
Jun Yang
ShiQing Gao
Published in:
Multim. Tools Appl. (2024)
Keyphrases
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fourier transform
digital images
polar coordinates
high level
watermarking scheme
low complexity
watermarking algorithm
fourier analysis
image compression
frequency domain
image watermarking