Security and Communication Networks

Research Article

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

Algorithm 1

Watermarking procedure is comprised of three chaotic maps with the help of a 4 4 S-Box.
Inputs: Carrier image , Watermark image , 4 4 S-Box, piece wise map, td-ercs map,
EL map, and secret keys: .
Output: Watermarked image .
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