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• W4362586923 abstract "The demand for using multimedia network infrastructure for transmission grows with each passing day. Research scholars continue to develop new algorithms to strengthen the existing network security framework in order to ensure the privacy protection and content authentication of multimedia content and avoid causing huge economic losses. A new technology for multimedia image copyright protection and content authentication has been proposed. The innovations lie in the use of an inter-block coefficient difference algorithm to embed robust watermarking in the transform domain, and the same fragile watermark is embedded twice in the spatial domain so that any tiny tampering can be identified and located. A new encryption algorithm combined with Arnold transform is used to encrypt data before embedding. However, some security vulnerabilities were found, and successful cryptanalysis and attack were conducted. Subsequently, an improved scheme was proposed to improve the security and tamper detection ability of the original watermarking scheme and recover the tampered robust watermark. The results show that the improved scheme is safer and more reliable and shows good performance in tampering detection and the recovery robustness of the watermark." @default.
• W4362586923 created "2023-04-06" @default.
• W4362586923 creator A5021384155 @default.
• W4362586923 creator A5022353006 @default.
• W4362586923 date "2023-04-01" @default.
• W4362586923 modified "2023-09-30" @default.
• W4362586923 title "Security Analysis and Improvement of Dual Watermarking Framework for Multimedia Privacy Protection and Content Authentication" @default.
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• W4362586923 doi "https://doi.org/10.3390/math11071689" @default.
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