Detecting Traffic Anomalies in Urban Areas Using Taxi GPS Data

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Procedure name</td><td align="center">Time (s)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">GPS data transform (one day)</td><td align="center">19.17</td></tr><tr><td align="left">Wavelet transform/PCA</td><td align="center">&lt;2.00</td></tr><tr><td align="left">Shewhart &amp; EWMA</td><td align="center">2.32</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Average processing time for anomaly detection.

Mathematical Problems in Engineering

tab5

Table 5

Table 5: Detecting Traffic Anomalies in Urban Areas Using Taxi GPS Data 