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Analysis and improvement of the dynamic watermarking scheme for quantum images using quantum wavelet transform.
Yu-Guang Yang
Peng Xu
Ju Tian
Hua Zhang
Published in:
Quantum Inf. Process. (2014)
Keyphrases
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watermarking scheme
wavelet transform
image data
geometric distortions
input image
geometric attacks
image registration
feature extraction
image compression
subband
visual quality
watermarking algorithm
spread spectrum
digital image watermarking