Concrete Pavement Service Condition Assessment Using Infrared Thermography

Table 1

Area comparison.

	Number of pixels	IR measurement of area	Percentage of accuracy (POA)
Actual area of the defects inside the specimen	30276	9 cm^2	100%
Area of processed image of the 5 mm deep defect	21286	6.33 cm^2	= 70.33%
Area of processed image of the 10 mm deep defect	5727	1.7 cm^2	= 18.88%