1. Standard practice for quantifying cracks in asphalt pavement surface—AASHTO Designation PP44-01. American Association of State Highway and Transportation Officials, Washington, DC, April 2001.
2. Pathview, Pathway Services, Inc. .
3. Automatic Road Analyzer (ARAN), Roadware Group, Inc., .
4. Digital Imaging System, International Cybernetics Corporation, .
5. Schwarz KP, Martell HE, El-Sheimy N, Li R, Chapman MA, Cosandier D. VIASAT—a mobile highway survey system of high accuracy. In: Proceedings of the IEEE vehicle navigation and information systems conference (VNIS’93), 1993. p. 476–81.