Design and Implementation of Adaptive Protection Strategy for 0.4kV Safety Anti Electric Shock Maintenance Power Box in Smart Grid
, , , oraz
17 mar 2025
O artykule
Data publikacji: 17 mar 2025
Otrzymano: 17 paź 2024
Przyjęty: 06 lut 2025
DOI: https://doi.org/10.2478/amns-2025-0316
Słowa kluczowe
© 2025 Yong Wang et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1.

Figure 2.

Figure 3.

Figure 4.

Recognition results of inexperienced faces
| Methods | Accuracy | Miss rate | Detection rate |
|---|---|---|---|
| Eigenfaces | 81.2% | 18.8% | 95.7% |
| Fisherfaces | 75.8% | 24.2% | 96.2% |
| LBPH | 82.7% | 17.3% | 96.5% |
| Our method | 95.3% | 4.7% | 98.9% |
Face recognition results
| Face rotation Angle | Our model(%) | LLR(%) | Gaussian regression(%) |
|---|---|---|---|
| 25° | 97.36 | 98.73 | |
| 40° | 89.83 | 90.27 | |
| 55° | 85.25 | 88.60 | |
| 70° | 82.53 | 87.37 |
The comparison of sample recognition accuracy and time consuming
| Subject | Method/sample size | 1000 | 2000 | 3000 | 4000 | 5000 |
|---|---|---|---|---|---|---|
| Accuracy (%) | Code scanning | 97.82 | 98.21 | 98.11 | 97.69 | 97.62 |
| Ours | 99.03 | 99.03 | 98.88 | 98.73 | 98.93 | |
| Time (ms) | Code scanning | 142 | 655 | 1132 | 2077 | 3352 |
| Ours | 38 | 55 | 72 | 80 | 87 |
Safety identification results
| Sample size/group | Accuracy(%) | |||||
|---|---|---|---|---|---|---|
| Our method | PCA-SVM | LBP | PCA-LDA-SVM | LBP+MB-LBP | LBP+LDRC-Fisher | |
| 500 | 99.23 | 97.37 | 96.15 | 92.53 | 90.62 | 88.72 |
| 1000 | 99.03 | 97.56 | 97.51 | 92.38 | 90.38 | 88.72 |
| 2000 | 99.03 | 97.41 | 96.93 | 92.87 | 89.50 | 89.98 |
| 3000 | 98.88 | 97.22 | 96.54 | 91.79 | 88.52 | 88.03 |
| 4000 | 98.73 | 97.61 | 97.47 | 92.09 | 89.01 | 89.40 |
| 5000 | 98.93 | 96.83 | 96.34 | 91.79 | 89.30 | 87.74 |
