Research Article
Prediction of the PSNR Quality of Decoded Images in Fractal Image Coding
Table 2
Performance of the proposed prediction method for
range blocks.
| Images | Lena | Barbara | Boat | Peppers | Baboon |
| Jacquin’s [1] | Predicted (dB) | 29.88 | 25.12 | 26.74 | 29.67 | 21.67 | Decoded (dB) | 30.03 | 24.80 | 26.97 | 29.64 | 21.64 | Deviation (dB) | 0.15 | 0.32 | 0.23 | 0.03 | 0.03 | Time (s) | 10.69 | 10.69 | 10.66 | 10.67 | 10.66 |
| Lai’s [8] | Predicted (dB) | 29.42 | 24.49 | 25.99 | 29.46 | 21.39 | Decoded (dB) | 29.49 | 24.50 | 26.00 | 29.47 | 21.53 | Deviation (dB) | 0.07 | 0.01 | 0.01 | 0.01 | 0.14 | Time (s) | 4.36 | 4.31 | 4.20 | 4.30 | 4.17 |
| He’s [9] | Predicted (dB) | 29.45 | 24.44 | 26.32 | 29.38 | 21.45 | Decoded (dB) | 29.53 | 24.36 | 26.39 | 29.49 | 21.49 | Deviation (dB) | 0.08 | 0.08 | 0.07 | 0.11 | 0.04 | Time (s) | 4.53 | 4.58 | 4.44 | 4.50 | 4.50 |
| Wang’s [10] | Predicted (dB) | 29.36 | 24.62 | 26.24 | 29.34 | 21.47 | Decoded (dB) | 29.47 | 24.46 | 26.39 | 29.24 | 21.49 | Deviation (dB) | 0.11 | 0.16 | 0.15 | 0.10 | 0.02 | Time (s) | 4.56 | 4.64 | 4.58 | 4.61 | 4.63 |
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