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Data-Hiding Scheme Using Multidirectional Pixel-Value Differencing on Colour Images.
Pyung-Han Kim
Eun-Jun Yoon
Kwan-Woo Ryu
Ki-Hyun Jung
Published in:
Secur. Commun. Networks (2019)
Keyphrases
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pixel values
colour images
data hiding scheme
secret data
image quality
gray level
data hiding
probability density function
reversible data hiding
visual quality
cover image
feature extraction
co occurrence
statistical analysis
human visual system