Research Article
A Model of High-Dimensional Feature Reduction Based on Variable Precision Rough Set and Genetic Algorithm in Medical Image
Table 13
The statistical results of the third group for experiment 2 with the SVM classifier.
| | Experiment times | Accuracy (%) | Sensitivity (%) | Specificity (%) | Time (s) |
| | Reduction 1 | 1 | 92.25 | 84.50 | 100.00 | 8.1271 | | 2 | 95.50 | 97.00 | 94.00 | 9.4583 | | 3 | 95.75 | 94.00 | 97.50 | 8.8198 | | 4 | 96.00 | 98.00 | 94.00 | 9.3754 | | 5 | 97.25 | 99.00 | 95.50 | 9.8691 | | Average value | 95.35 | 94.50 | 96.20 | 9.1299 | | Reduction 2 | 1 | 92.00 | 84.50 | 99.50 | 6.4894 | | 2 | 96.25 | 95.50 | 97.00 | 8.0198 | | 3 | 95.25 | 93.00 | 97.50 | 7.7337 | | 4 | 96.00 | 97.50 | 94.50 | 7.6012 | | 5 | 98.00 | 100.00 | 96.00 | 8.2763 | | Average value | 95.50 | 94.10 | 96.90 | 7.6241 | | Reduction 3 | 1 | 92.00 | 84.50 | 99.50 | 6.4894 | | 2 | 96.25 | 95.50 | 97.00 | 8.0198 | | 3 | 95.25 | 93.00 | 97.50 | 7.7337 | | 4 | 96.00 | 97.50 | 94.50 | 7.6012 | | 5 | 98.00 | 100.00 | 96.00 | 8.2763 | | Average value | 95.50 | 94.10 | 96.90 | 7.6241 | | Reduction 4 | 1 | 92.75 | 85.50 | 100.00 | 6.7264 | | 2 | 96.75 | 96.00 | 97.50 | 7.8467 | | 3 | 96.00 | 94.50 | 97.50 | 7.3022 | | 4 | 95.75 | 97.50 | 94.00 | 7.9460 | | 5 | 98.00 | 100.00 | 96.00 | 8.4184 | | Average value | 95.85 | 94.70 | 97.00 | 7.6479 | | Reduction 5 | 1 | 92.00 | 84.50 | 99.50 | 11.4719 | | 2 | 96.25 | 97.50 | 95.00 | 12.8705 | | 3 | 98.50 | 99.00 | 98.00 | 13.2049 | | 4 | 97.75 | 99.50 | 96.00 | 13.3513 | | 5 | 98.50 | 100.00 | 97.00 | 13.3144 | | Average value | 96.60 | 96.10 | 97.10 | 12.8426 |
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