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A separable reversible data hiding scheme for encrypted images based on Tromino scrambling and adaptive pixel value ordering.
Min Long
Yu Zhao
Xiang Zhang
Fei Peng
Published in:
Signal Process. (2020)
Keyphrases
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pixel values
image data
image quality
reversible data hiding
input image
gray level
test images
probability density function
secret data
locally adaptive
cover image