Research Article
A Model of High-Dimensional Feature Reduction Based on Variable Precision Rough Set and Genetic Algorithm in Medical Image
Table 8
The statistical results of the third group for experiment 1 with the SVM classifier.
| | Experiment times | Accuracy (%) | Sensitivity (%) | Specificity (%) | Time (s) |
| | Reduction 1 | 1 | 92.75 | 86.00 | 99.50 | 9.2492 | | 2 | 97.25 | 97.50 | 97.00 | 10.7461 | | 3 | 98.50 | 98.50 | 98.50 | 11.3811 | | 4 | 97.75 | 99.00 | 96.50 | 11.5560 | | 5 | 98.75 | 100.00 | 97.50 | 11.7022 | | Average value | 97.00 | 96.20 | 97.80 | 10.9269 | | Reduction 2 | 1 | 93.50 | 87.50 | 99.50 | 14.8245 | | 2 | 97.00 | 96.50 | 97.50 | 16.1535 | | 3 | 97.75 | 98.50 | 97.00 | 16.6452 | | 4 | 98.00 | 98.50 | 97.50 | 17.5450 | | 5 | 98.75 | 99.50 | 98.00 | 17.2348 | | Average value | 97.00 | 96.10 | 97.90 | 16.4806 | | Reduction 3 | 1 | 91.25 | 83.00 | 99.50 | 20.1904 | | 2 | 96.50 | 97.00 | 96.00 | 21.8535 | | 3 | 98.00 | 98.00 | 98.00 | 21.9605 | | 4 | 96.25 | 99.00 | 93.50 | 22.3091 | | 5 | 98.25 | 100.00 | 96.50 | 23.6896 | | Average value | 96.05 | 95.40 | 96.70 | 22.0006 | | Reduction 4 | 1 | 93.00 | 87.00 | 99.00 | 16.5454 | | 2 | 96.75 | 96.00 | 97.50 | 17.2432 | | 3 | 98.75 | 98.50 | 99.00 | 17.9301 | | 4 | 98.00 | 99.00 | 97.00 | 18.9560 | | 5 | 99.00 | 99.50 | 98.50 | 18.5249 | | Average value | 97.10 | 96.00 | 98.20 | 17.8399 | | Reduction 5 | 1 | 92.75 | 86.00 | 99.50 | 14.1173 | | 2 | 97.25 | 98.00 | 96.50 | 16.1295 | | 3 | 99.00 | 99.50 | 98.50 | 15.8992 | | 4 | 97.75 | 99.50 | 96.00 | 16.4876 | | 5 | 98.75 | 100.00 | 97.50 | 16.6070 | | Average value | 97.10 | 96.60 | 97.60 | 15.8481 |
|
|
