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A self-adaptive image normalization and quaternion PCA based color image watermarking algorithm.
Fangnian Lang
Jiliu Zhou
Shuang Cang
Hongnian Yu
Zhaowei Shang
Published in:
Expert Syst. Appl. (2012)
Keyphrases
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image normalization
color images
moment invariants
color information
fourier transform
principal component analysis
affine transformation
d objects
zernike moments
polar coordinates