Security and Communication Networks / 2017 / Article / Fig 9

Research Article

A Cloud-User Protocol Based on Ciphertext Watermarking Technology

Figure 9

Test for .
(a) JPEG compression for QF of 25, 8, and 5
(b) GF for sigma of 0.3, 1, and 4
(c) WGN for PSNR of 18, 16.75, and 16.41

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