DrivingSense: Dangerous Driving Behavior Identification Based on Smartphone Autocalibration

Table 2

The overall accuracy for detecting the driving direction change and abnormal speed control.

Condition	Ground	True	False	Precision	Recall
	Truth	Positives	Positives
Driving direction change	56	51	7	87.9%	91.07%
Abnormal speed control	20	18	0	100%	90%
Overall	—	—	—	93.95%	90.54%