Table 6 The entropy of Stego and reconstructed secret image.

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

Encoder model

Entropy

Original image

Stego image

Reconstructed secret image

Minimum

Maximum

Mean

Minimum

Maximum

Mean

Minimum

Maximum

Mean

U-Net Encoder

6.31

7.94

7.32

6.10

7.94

7.45

5.79

7.91

7.47

V-Net Encoder

6.31

7.94

7.32

7.00

7.91

7.59

5.3

7.85

7.40

U-Net++ Encoder

6.31

7.94

7.32

6.80

7.90

7.54

5.69

7.80

7.40