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A New Public-key Oblivious Fragile Watermarking for Image Authentication Using Discrete Cosine Transform

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Academic year: 2017

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Figure 2 shows the corresponding watermarked images of the original images in Fig. 1.
Table 1. The PSNR v alues of t he w at erm arked im ages of our schem e
Figure 4. Wat er m ar k ver ificat ion out put s of m odified im ages

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Keywords: Image compression; hyperspectral image; distributed source coding (DSC); discrete cosine transform (DCT); Arithmetic code; low