[Retracted] Deep Image Watermarking to JPEG Compression Based on Mixed-Frequency Channel Attention

Table 4

BER, PSNR, and SSIM values under different strength factors and quality factors of JPEG .

Strength factor		0.4	0.6	0.8	1.0	1.2	1.4
BER		35.03%	27.91%	21.80%	16.86%	13.02%	10.06%
		15.65%	5.94%	1.63%	0.33%	0.047%	0.0053%
		7.74%	1.11%	0.0778%	0.0050%	0.0012%	0.00%
		3.87%	0.370%	0.0170%	0.0009%	0.00%	0.00%
		2.53%	0.202%	0.0078%	0.0006%	0.00%	0.00%
PSNR		45.92	42.40	39.89	37.95	36.37	35.03
SSIM		0.9893	0.9773	0.9623	0.9455	0.9274	0.9086