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Table 3 Performance analysis of the algorithm in this paper
| Experimental serial number | Filter combination | Medical image 1 | Medical image 2 | ||||
|---|---|---|---|---|---|---|---|
| Gradient | Variance | Mean value | Gradient | Variance | Mean value | ||
| 1 | db1 + sym8 + sym10 | 4.8 | 4.83 | 4.82 | 7.84 | 7.85 | 7.91 |
| 2 | sym8 + sym10 + coif5 | 4.84 | 4.84 | 4.84 | 7.76 | 7.76 | 7.78 |
| 3 | db1 + sym8 + coif5 | 4.81 | 4.84 | 4.83 | 37.83 | 7.84 | 7.9 |
| 4 | db3 + sym8 + sym10 | 4.91 | 4.93 | 4.92 | 8.01 | 8.01 | 8.06 |
| 5 | db4 + sym8 + sym10 | 4.91 | 4.92 | 4.91 | 7.96 | 7.96 | 8.01 |
| 6 | db1 + sym8 | 4.67 | 4.71 | 4.7 | 7.64 | 7.67 | 7.73 |
| 7 | sym8 + sym10 | 4.83 | 4.83 | 4.83 | 7.76 | 7.76 | 7.78 |
| 8 | db3 + sym10 | 4.84 | 4.87 | 4.83 | 7.95 | 7.95 | 8.04 |
| 9 | db4 + sym10 | 4.86 | 4.88 | 4.88 | 7.92 | 7.93 | 7.98 |
