Table 8 Comparisons of steganographic payload capacity.

From: Comparative performance assessment of deep learning based image steganography techniques

Encoder model

Secret image size (absolute capacity)

Cover image size

Relative payload capacity

U-Net encoder

256 × 256 × 3

256 × 256 × 3

1

V-Net encoder

256 × 256 × 3

256 × 256 × 3

1

U-Net++ encoder

256 × 256 × 3

256 × 256 × 3

1