Research Article
A Model of High-Dimensional Feature Reduction Based on Variable Precision Rough Set and Genetic Algorithm in Medical Image
Table 18
The statistical results of the Second group for experiment 3 with the SVM classifier.
| | Experiment times | Accuracy (%) | Sensitivity (%) | Specificity (%) | Time (s) |
| | Reduction 1 | 1 | 92.00 | 87.00 | 97.00 | 21.8717 | | 2 | 97.50 | 97.50 | 97.50 | 21.0550 | | 3 | 98.50 | 98.50 | 98.50 | 20.3206 | | 4 | 98.00 | 99.00 | 97.00 | 22.1164 | | 5 | 99.25 | 100.00 | 98.50 | 27.2536 | | Average value | 97.05 | 96.40 | 97.70 | 22.5235 | | Reduction 2 | 1 | 94.00 | 88.50 | 99.50 | 23.3123 | | 2 | 95.75 | 97.50 | 94.00 | 24.3349 | | 3 | 97.50 | 97.00 | 98.00 | 24.4202 | | 4 | 97.75 | 99.00 | 96.50 | 25.6607 | | 5 | 99.00 | 99.50 | 98.50 | 25.9071 | | Average value | 96.80 | 96.30 | 97.30 | 24.7270 | | Reduction 3 | 1 | 92.75 | 86.50 | 99.00 | 25.2584 | | 2 | 96.25 | 97.50 | 95.00 | 26.2412 | | 3 | 97.75 | 98.00 | 97.50 | 26.0127 | | 4 | 97.75 | 99.00 | 96.50 | 26.8670 | | 5 | 98.75 | 100.00 | 97.50 | 26.5387 | | Average value | 96.65 | 96.20 | 97.10 | 26.1836 | | Reduction 4 | 1 | 91.50 | 85.50 | 97.50 | 25.3231 | | 2 | 96.25 | 97.50 | 95.00 | 26.4943 | | 3 | 97.50 | 97.00 | 98.00 | 27.5283 | | 4 | 98.00 | 99.50 | 96.50 | 32.2954 | | 5 | 98.25 | 99.50 | 97.00 | 27.7432 | | Average value | 96.30 | 95.80 | 96.80 | 27.8769 | | Reduction 5 | 1 | 92.00 | 88.00 | 96.00 | 19.5196 | | 2 | 97.00 | 97.00 | 97.00 | 21.4889 | | 3 | 98.25 | 98.00 | 98.50 | 20.3612 | | 4 | 98.50 | 100.00 | 97.00 | 21.3361 | | 5 | 99.00 | 99.00 | 99.00 | 22.5526 | | Average value | 96.95 | 96.40 | 97.50 | 21.0517 |
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