A Novel Optimized Graph-Based Transform Watermarking Technique to Address Security Issues in Real-Time Application

Figure 14

Plot of PSNR, NC, SSIM, and BER w.r.t Gaussian noise variance using watermark 1. (a) Average comparison of PSNR vs. Gaussian noise variance. (b) Average comparison of NC vs. Gaussian noise variance. (c) Average comparison of SSIM vs. Gaussian noise variance. (d) Average comparison of BER vs. Gaussian noise variance.

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