Research Article
Classifying Vehicle Activity to Improve Point of Interest Extraction
Table 8
Frequency of features within the top 10 selected by mRMR for all 12 base clustering and merge threshold combinations.
| Signal | Feature | Frequency |
| Gear position | Average | 12 | Vehicle speed | Average | 12 | Passenger door status | Average | 12 | Combined seatbelt status | Average | 10 | Steering wheel angle | Standard deviation | 9 | Stop-start status | Minimum | 7 | Driver window position | Average | 7 | Lock status | Average | 7 | Steering wheel angle | Range | 5 | Steering wheel angle | Time above average | 4 | Passenger door status | Minimum | 4 | Passenger door status | Range | 4 | Lock status | Minimum | 4 | Vehicle speed | Time above average | 3 | Engine (on/off) | Range | 3 | Driver window position | Range | 3 | Indicator status | Average | 2 | Steering wheel angle | Maximum | 2 | Vehicle speed | Maximum | 2 | Vehicle speed | Minimum | 2 | Driver window position | Maximum | 2 | Vehicle speed | Standard deviation | 1 | Engine (on/off) | Minimum | 1 | Stop-start status | Range | 1 | Passenger seatbelt status | Delta | 1 |
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