A Novel High-Capacity Information Hiding Scheme Based on Improved U-Net

Table 3

Model comparison between the proposed scheme and the similar scheme.

	Process	PSNR (Ave)	Number of convolution or deconvolution layers	Size (KB)	Running speed (ms/image)
Liu et al. [27]	Hiding	39.7708	21	24737	6.0931
	Extraction	43.3571	13	5195	8.4300
Proposed	Hiding	40.8965	8	5958	3.6568
	Extraction	49.6028	11	6053	7.8868