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Security and Communication Networks
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Security and Communication Networks
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2018
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Article
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Fig 3
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Research Article
Improved Encrypted-Signals-Based Reversible Data Hiding Using Code Division Multiplexing and Value Expansion
Figure 3
Four test images. (a) Lena, (b) Pepper, (c) Sailboat, and (d) Baboon.
(a)
(b)
(c)
(d)