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Hierarchical steganography using novel optimum quantization technique.
Bassam Jamil Mohd
Sa'ed Abed
Bassam Na'ami
Thaier Hayajneh
Published in:
Signal Image Video Process. (2013)
Keyphrases
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hierarchical structure
global optimum
coarse to fine
quantization error
public key
jpeg images
information hiding
spread spectrum
data embedding