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A high-capacity reversible data hiding scheme for encrypted images employing vector quantization prediction.
Shuying Xu
Chin-Chen Chang
Yanjun Liu
Published in:
Multim. Tools Appl. (2021)
Keyphrases
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vector quantization
distortion measure
high capacity
image compression
image data
input image
vector quantizer
data hiding
reversible data hiding
rate distortion
test images
lossy compression
high frequency
discrete cosine transform
locally adaptive
halftone images