Research Article
A Model of High-Dimensional Feature Reduction Based on Variable Precision Rough Set and Genetic Algorithm in Medical Image
Table 6
The statistical results of the second group for experiment 1 with the SVM classifier.
| | Experiment times | Accuracy (%) | Sensitivity (%) | Specificity (%) | Time (s) |
| | Reduction 1 | 1 | 93.00 | 86.00 | 100.00 | 11.6488 | | 2 | 96.25 | 96.00 | 96.50 | 12.5511 | | 3 | 98.50 | 99.00 | 98.00 | 13.1509 | | 4 | 97.25 | 98.50 | 96.00 | 13.4468 | | 5 | 99.25 | 100.00 | 98.50 | 14.4839 | | Average value | 96.85 | 95.90 | 97.80 | 13.0563 | | Reduction 2 | 1 | 94.25 | 89.00 | 99.50 | 12.1096 | | 2 | 97.25 | 97.00 | 97.50 | 12.8636 | | 3 | 98.00 | 98.00 | 98.00 | 13.5677 | | 4 | 97.50 | 98.00 | 97.00 | 13.8196 | | 5 | 98.75 | 99.00 | 98.50 | 13.6691 | | Average value | 97.15 | 96.20 | 98.10 | 13.2059 | | Reduction 3 | 1 | 93.00 | 87.50 | 98.50 | 8.7757 | | 2 | 97.25 | 97.50 | 97.00 | 10.3424 | | 3 | 97.75 | 98.00 | 97.50 | 10.7411 | | 4 | 97.75 | 98.50 | 97.00 | 11.2344 | | 5 | 99.00 | 100.00 | 98.00 | 11.3006 | | Average value | 96.95 | 96.30 | 97.60 | 10.4788 | | Reduction 4 | 1 | 93.75 | 87.50 | 100.00 | 14.6417 | | 2 | 96.50 | 97.50 | 95.50 | 15.4736 | | 3 | 97.50 | 97.00 | 98.00 | 15.7621 | | 4 | 98.00 | 99.00 | 97.00 | 16.1355 | | 5 | 99.25 | 100.00 | 98.50 | 16.3381 | | Average value | 97.00 | 96.20 | 97.80 | 15.6702 | | Reduction 5 | 1 | 92.50 | 86.50 | 98.50 | 12.4933 | | 2 | 96.75 | 98.00 | 95.50 | 14.0057 | | 3 | 98.00 | 98.00 | 98.00 | 14.5194 | | 4 | 98.00 | 99.00 | 97.00 | 14.5792 | | 5 | 99.50 | 99.50 | 99.50 | 15.0400 | | Average value | 96.95 | 96.20 | 97.70 | 14.1275 |
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