Traffic Sensing Methodology Combining Influence Line Theory and Computer Vision Techniques for Girder Bridges

Table 2

Statistics of the relative errors compared with pavement-based WIM.

Sensor	Mean of errors (%)	Standard deviation of errors (%)
S1	35.2	37.4
S2	-3.6	18.7
S3	-2.8	20.8
S4	38.6	25.2
S5	-1.8	12.4
S6	-5.2	11.6