Abstract
Road inspections ensure an adequate infrastructure operation and traffic safety, but the widely used positioning modes of road inspection have large deviations with road mileage. This paper describes an automatic method of road mileage positioning for road inspection. It integrates binocular stereo vision system, Global Navigation Satellite System (GNSS), objection detection algorithm, and Optical Character Recognition into road mileage positioning. A validation test result shows the average deviation of the mileage positioning is 4.06 m, which meets the requirement of road inspection. The significance of this paper consists of improving the automatic method of mileage positioning with the rapid disposal of abnormal targets on roads. In future research, the targets of road inspection, such as pavement potholes, patch, wearing lane markings, will be detected by objection detection algorithms and be positioned by the mileage positioning method.
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