Security and Communication Networks / 2018 / Article / Fig 4

Research Article

Improved Encrypted-Signals-Based Reversible Data Hiding Using Code Division Multiplexing and Value Expansion

Figure 4

Directly decrypted images. (a) Lena, (b) Pepper, (c) Sailboat, and (d) Baboon.
(a)
(b)
(c)
(d)

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