Research Article
A Model of High-Dimensional Feature Reduction Based on Variable Precision Rough Set and Genetic Algorithm in Medical Image
Table 16
The statistical results of the second group for experiment 3 with the SVM classifier.
| | Experiment times | Accuracy (%) | Sensitivity (%) | Specificity (%) | Time (s) |
| | Reduction 1 | 1 | 92.75 | 86.00 | 99.50 | 18.8497 | | 2 | 97.25 | 98.00 | 96.50 | 15.7162 | | 3 | 98.50 | 99.00 | 98.00 | 15.8691 | | 4 | 98.00 | 99.00 | 97.00 | 16.4603 | | 5 | 99.50 | 100.00 | 99.00 | 16.1914 | | Average value | 97.20 | 96.40 | 98.00 | 16.6173 | | Reduction 2 | 1 | 94.50 | 89.50 | 99.50 | 19.0813 | | 2 | 96.75 | 98.00 | 95.50 | 20.0251 | | 3 | 97.75 | 98.00 | 97.50 | 19.7008 | | 4 | 98.50 | 99.00 | 98.00 | 20.0924 | | 5 | 98.75 | 99.00 | 98.50 | 20.9245 | | Average value | 97.25 | 96.70 | 97.80 | 19.9648 | | Reduction 3 | 1 | 94.00 | 88.00 | 100.00 | 13.1369 | | 2 | 97.25 | 98.00 | 96.50 | 14.4797 | | 3 | 98.00 | 98.00 | 98.00 | 14.2662 | | 4 | 97.25 | 98.50 | 96.00 | 14.7190 | | 5 | 99.25 | 100.00 | 98.50 | 14.8799 | | Average value | 97.15 | 96.50 | 97.80 | 14.2963 | | Reduction 4 | 1 | 93.50 | 87.50 | 99.50 | 24.0456 | | 2 | 97.00 | 97.50 | 96.50 | 25.2082 | | 3 | 98.00 | 98.00 | 98.00 | 25.1175 | | 4 | 97.75 | 99.50 | 96.00 | 27.0188 | | 5 | 98.25 | 100.00 | 96.50 | 26.7471 | | Average value | 96.90 | 96.50 | 97.30 | 25.6274 | | Reduction 5 | 1 | 93.25 | 88.00 | 98.50 | 18.0959 | | 2 | 96.00 | 98.00 | 94.00 | 19.6563 | | 3 | 97.50 | 97.50 | 97.50 | 19.6723 | | 4 | 98.00 | 99.00 | 97.00 | 20.7829 | | 5 | 98.50 | 99.50 | 97.50 | 21.9703 | | Average value | 96.65 | 96.40 | 96.90 | 20.0355 |
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