Research Article
[Retracted] Enhanced Lorenz-Chaotic Encryption Method for Partial Medical Image Encryption and Data Hiding in Big Data Healthcare
Table 1
Recovered image PSNR for the various embedding rate.
| Embedding rate | PSNR | 0.005 | 0.01 | 0.05 | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 |
| Im 1 | 1 LSB plane | 132.41 | 132.14 | 118.1 | 113.06 | 110.06 | 107.08 | 105.6 | 104.07 | 2 LSB planes | 115.1 | 114.87 | 110.2 | 105.07 | 103.12 | 101.26 | 100.12 | 99.76 | 3 LSB planes | 106.15 | 105.47 | 101.76 | 99.43 | 97.42 | 95.41 | 94.32 | 93.13 |
| Im 5 | 1 LSB plane | 135.67 | 133.46 | 116.36 | 110.62 | 109.64 | 107.68 | 105.61 | 104.21 | 2 LSB planes | 115.61 | 114.28 | 110.21 | 105.61 | 104.62 | 101.32 | 101.16 | 99.16 | 3 LSB planes | 105.12 | 104.21 | 102.26 | 101.54 | 99.42 | 96.32 | 95.53 | 94.21 |
| Im 9 | 1 LSB plane | 134.51 | 133.43 | 116.87 | 113.26 | 110.43 | 107.62 | 106.32 | 106.42 | 2 LSB planes | 115.62 | 114.32 | 110.72 | 107.24 | 105.34 | 103.16 | 102.12 | 101.53 | 3 LSB planes | 106.21 | 105.54 | 103.31 | 101.41 | 97.62 | 96.37 | 95.21 | 94.17 |
| Average value | 1 LSB plane | 134.52 | 135.47 | 117.61 | 114.42 | 109.21 | 108.43 | 105.12 | 104.21 | 2 LSB planes | 115.21 | 114.67 | 109.37 | 106.31 | 103.64 | 101.21 | 101.13 | 99.87 | 3 LSB planes | 106.72 | 105.32 | 102.36 | 99.24 | 97.61 | 95.62 | 95.12 | 94.31 |
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