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

Table 8

BER comparison between the proposed scheme and ablation schemes. We train three different ways of frequency domain component selection for the FCA attention block in the mixed-frequency channel attention block under JPEG compression. Low frequency: 16 coefficients of low-frequency components; middle frequency: 16 coefficients of middle-frequency components; and high frequency: 16 coefficients of high-frequency components.

Model	PSNR	SSIM	BER
High frequency	37.77	0.9407	0.6781%
Middle frequency	38.02	0.9472	0.5782%
Low frequency	38.13	0.9472	0.0078%