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High-capacity reversible data hiding in encrypted image based on Huffman coding and differences of high nibbles of pixels.
Chih-Cheng Chen
Chin-Chen Chang
Kaimeng Chen
Published in:
J. Vis. Commun. Image Represent. (2021)
Keyphrases
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high capacity
reversible data hiding
data hiding
data storage
pixel values
information hiding
data embedding
error correction
halftone images
image processing
multiscale
input image
image compression