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

Table 5

Comparison with the ablation experimental results, with the best results in bold and second bests in blue. We compared the performance with four mixed-frequency channel attention variants under JPEG compression .

Model	SE	LFCA	SE&LFCA	LFCA&SE	Ours
Image size
Message length	64	64	64	64	64
Noise layer	Mixed	Mixed	Mixed	Mixed	Mixed
PSNR	37.70	37.32	38.21	37.49	38.13
SSIM	0.9445	0.9428	0.9553	0.9487	0.9472
BER	0.0082%	0.0081%	0.0059%	0.0081%	0.0078%