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Reversible data hiding in encrypted images using adaptive block-level prediction-error expansion.
Shuang Yi
Yicong Zhou
Zhongyun Hua
Published in:
Signal Process. Image Commun. (2018)
Keyphrases
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prediction error
linear predictors
input image
image data
three dimensional
reversible watermarking
image classification
image features
reversible data hiding
inter frame
image retrieval
test images
edge detection
pixel values
motion vectors
motion compensated
image quality
image compression