A Robust Watermarking Scheme for Online Multimedia Copyright Protection Using New Chaotic Map

Figure 3

(a) Bifurcation diagram of EL map for to , with initial conditions of and ; (b)-(f) the iteration sequence diagrams of EL map for initial conditions of to , , and with a spacing of . It can be observed that the iteration sequences come to a constant point after some iterations and thus cannot be used in secure communication.

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