Research Article
Design of an Efficient Real-Time Algorithm Using Reduced Feature Dimension for Recognition of Speed Limit Signs
Table 1
Experimental results of hit rates of recognition.
| | Speed (km/h) | Number of images | | 3 | 7 | 9 |
| | 20 | 88.0% | 95.7% | 100.0% | | 30 | 92.0% | 100.0% | 100.0% | | 40 | 96.0% | 97.8% | 100.0% | | 50 | 92.0% | 100.0% | 100.0% | | 60 | 90.0% | 95.6% | 100.0% | | 70 | 100.0% | 97.8% | 100.0% | | 80 | 90.0% | 100.0% | 100.0% | | 90 | 98.0% | 100.0% | 100.0% | | 100 | 98.0% | 100.0% | 100.0% | | 110 | 94.0% | 100.0% | 100.0% |
| | Average | 93.8% | 98.7% | 100.0% |
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