From: Progressive sharing of multiple images with sensitivity-controlled decoding
Secret images | Threshold r to recover the secret image | Image quality on low-level recovery | Image quality on high-level recovery | Image quality of stego | |||||
---|---|---|---|---|---|---|---|---|---|
PSNR | SSIM | MSE | Stego images | PSNR | SSIM | MSE | |||
House | 4 | 31.53 | 0.858 | 45.7 | Lossless | Barbara | 40.07 | 0.979 | 6.40 |
Cameraman | 5 | 27.11 | 0.853 | 126.5 | Lossless | Lake | 41.57 | 0.978 | 4.53 |
Lena | 5 | 29.38 | 0.869 | 75.0 | Lossless | Couple | 41.04 | 0.978 | 5.12 |
Pepper | 6* | No such level* | Lossless | Baboon | 41.41 | 0.980 | 4.70 | ||
Jet | 6* | No such level* | Lossless | Indian | 41.56 | 0.976 | 4.54 | ||
Blonde | 6* | No such level* | Lossless | Bridge | 40.08 | 0.978 | 6.38 |