Mobile Information Systems / 2019 / Article / Tab 2

Research Article

Detecting Suspects by Large-Scale Trajectory Patterns in the City

Table 2

Movement perspective of different groups of people.

FeaturesMorning (6∼9 a.m.)Afternoon (16∼19 p.m.)Midnight (1∼5 a.m.)
NormalSuspectNormalSuspectNormalSuspect

Activity scope4.333.864.353.763.763.70
Trajectory length24.907.5824.436.8744.596.46
Trajectory curve23.496.6519.036.6737.285.22
Speed13.6716.4113.2816.5013.3620.41
Velocity change rate0.220.200.180.220.150.19
Movement pattern0.160.050.160.040.050.03
Trajectory duration2.010.541.930.503.320.39
Head change rate0.440.440.430.510.380.47

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