From: Progressive sharing of multiple images with sensitivity-controlled decoding
Secret images | The ( r, n ) in sharing | Low-level recovery | Moderate-level recovery | High-level recovery | Stego images | Quality of stegos | |||
---|---|---|---|---|---|---|---|---|---|
PSNR | MSE | PSNR | MSE | PSNR | MSE | ||||
House | (4, 6) | 29.89 | 66.69 | 35.72 | 17.42 | Lossless | Barbara | 40.14 | 6.30 |
Cameraman | (5, 6) | N/A | N/A | 29.19 | 78.36 | Lossless | Lake | 41.56 | 4.54 |
Lena | (5, 6) | N/A | N/A | 31.22 | 49.10 | Lossless | Couple | 41.16 | 4.98 |
Pepper | (6, 6) | N/A | N/A | N/A | N/A | Lossless | Baboon | 41.29 | 4.83 |
Jet | (6, 6) | N/A | N/A | N/A | N/A | Lossless | Indian | 41.47 | 4.64 |
Blonde | (6, 6) | N/A | N/A | N/A | N/A | Lossless | Bridge | 40.17 | 6.25 |