Table 6 Missing rate of vehicle trajectory positions in seven UAVs over two years. Here “No.” refers to the position of the UAVs.

From: HDSVT: High-Density Semantic Vehicle Trajectory Dataset Based on a Cosmopolitan City Bridge

Year & No.

1

2

3

4

5

6

7

Average

2017

0.891%

0.168%

1.211%

0.159%

0.359%

0.045%

0.108%

0.420%

2018

4.317%

0.244%

1.038%

0.092%

0.466%

0.112%

0.068%

0.905%