A Depth Camera-Based Intelligent Method for Identifying and Quantifying Pavement Diseases

Table 1

Types of road diseases.

Type	Description	Example
Crack	The cracks on the road surface which are caused by vehicle load, environmental or construction factors, etc.
Pothole	The road surface is damaged into potholes with a depth of more than 20 mm and an area of more than 0.04 m^2.
Rut	The longitudinal strip grooves along the wheel tracks on the road surface, with a depth of more than 15 mm.
Fracturing	The massive irregular cracks which have width more than 3 mm, and most of the distance is less than 100 mm, and the total area is more than 1 m^2.