Research Article
Detection and Prediction of Internal Damage in the Ancient Timber Structure Based on Optimal Combined Model
Table 4
Comparison of detected precision and forecasting precision of stress wave tests under several working conditions.
| | Working condition | Damaged proportion | Stress wave (%) | IOWA (%) | IOWGA (%) | IOWHA (%) | Entropy (%) | Shapley (%) |
| | 1 | 1/16 | 57.6 | 99.3 | 99.9 | 99.9 | 91.3 | 89.2 | | 4 | 1/32 | 32.0 | 49.1 | 61.2 | 61.2 | 50.6 | 48.4 | | 9 | 1/32 | 54.7 | 96.4 | 96.7 | 96.7 | 88.4 | 79.7 | | 14 | 1/32 | 32.0 | 88.5 | 92.6 | 92.6 | 88.3 | 66.3 | | 15 | 1/16 | 42.5 | 85.0 | 88.0 | 88.0 | 84.8 | 68.2 |
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