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Reversible data hiding based on multilevel histogram modification and pixel value grouping.
Wenguang He
Gangqiang Xiong
Ke Zhou
Jie Cai
Published in:
J. Vis. Commun. Image Represent. (2016)
Keyphrases
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pixel values
reversible data hiding
image quality
gray level
cover image
probability density function
data hiding
high dimensional
feature vectors
image data
input image
bit rate
visual quality
blurred images