A Cloud-User Protocol Based on Ciphertext Watermarking Technology

Table 2

Watermark’s tolerance to WGN.

PSNR	23.35	17.94	16.8	16.24	15.88	14.69	13.64	12.93
BER	0	0	0.09	0.26	0.39	0.51	0.52	0.52