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Color image watermark decoder by modeling quaternion polar harmonic transform with BKF distribution.
Yunan Liu
Shanshan Zhang
Jian Yang
Published in:
Signal Process. Image Commun. (2020)
Keyphrases
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color images
fourier transform
polar coordinates
color space
fourier analysis
frequency domain
color texture
digital images
image compression
low complexity
watermarking scheme
watermarking algorithm
color quantization
cartesian coordinates