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Local quaternion PHT based robust color image watermarking algorithm.
Xiangyang Wang
Yu-nan Liu
Meng-meng Han
Hong-Ying Yang
Published in:
J. Vis. Commun. Image Represent. (2016)
Keyphrases
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color information
color texture
lighting variations
fourier transform
color invariant
color images
parameter tuning
texture information
image noise
neural network
image processing
illumination change
color matching
photometric invariant