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Visual cryptography based on ghost imaging and Hadamard transform.
Yi Kang
Leihong Zhang
Hualong Ye
Baolin Liu
Shengli Pu
Dawei Zhang
Songlin Zhuang
Published in:
Quantum Inf. Process. (2023)
Keyphrases
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visual cryptography
hadamard transform
transform domain
secret sharing scheme
estimation algorithm
visual cryptography scheme
elimination algorithm
image processing
motion estimation
high resolution
human eyes
spatial domain
secret sharing
secret image
graphical models
halftone images
multiresolution
computer vision