Fast fragile watermark embedding and iterative mechanism with
Fast fragile watermark embedding and iterative mechanism with high self-restoration performance u Source : Digital Signal Processing. Vol. 73, pp. 83 -92, Feb. 2018. u Authors : Sergio Bravo-Solorio, Felix Calderon, Chang-Tsun Li, Asoke K. Nandi. u Speaker : Si-Liang He u Date : 2019/4/25 1
Outline Introduction Related work Proposed scheme Experimental results Conclusions 2
Introduction + → Authentication code Recovery information Detection & Recovery → 3
Related work - Tornado code (Modulo-2) 4
Related work - Tornado code 5
Proposed scheme flowchart 6
Proposed scheme – embedding 7
Experimental results 8
Experimental results [24] X. Zhang, S. Wang, Z. Qian, G. Feng, “Reference sharing mechanism for watermark self-embedding, ” IEEE Trans. Image Process, Vol. 20, Issue. 2, pp. 485 -495, Feb. 2011. 9
Experimental results [6] C. Qin, P. Ji, X. Zhang, J. Dong, J. Wang, “Fragile image watermarking with pixel-wise recovery based on overlapping embedding strategy, ” Signal Process, Vol. 138, pp. 280 -293, Sep. 2017. [18] C. Qin, H. Wang, X. Zhang, X. Sun, “Self-embedding fragile watermarking based on reference-data interleaving and adaptive selection of embedding mode, ” Information Sciences, Vol. 373, pp. 233 -250, Dec. 2016 [23] X. Zhang, S. Wang, Z. Qian, G. Feng, “Reference sharing mechanism for watermark self-embedding, ” IEEE Trans. Image Process, Vol. 20, Issue. 2, pp. 485 -495, Feb. 2011. 10
Conclusions The image quality of the restored image can be completely restored to the watermarked image. Average execution time is faster than other schemes. 11
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