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High-capacity reversible data hiding in encrypted images based on pixel-value-ordering and histogram shifting.
Yaomin Wang
Gangqiang Xiong
Wenguang He
Published in:
Expert Syst. Appl. (2023)
Keyphrases
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reversible data hiding
pixel values
high capacity
image quality
gray level
data hiding
secret data
cover image
probability density function
computer vision