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Automated pavement imaging program (APIP) for pavement cracks classification and quantification – a photogrammetric approach

Mustaffar, Mushairry and Puan, O. C. and Ling, Tung Chai (2008) Automated pavement imaging program (APIP) for pavement cracks classification and quantification – a photogrammetric approach. In: XXIth ISPRS Congress, Society of Photogrammetry and Remote Sensing, 3th - 11th July 2008, Beijing, China.

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Abstract

The evaluation of pavement conditions is an important part of pavement management. Traditionally, pavement condition data are gathered by human inspectors who walk or drive along the road to assess the distresses and subsequently produce report sheets. This visual survey method is not only time consuming and costly but more importantly it compromises the safety of the field personnel. With an automated digital image processing technique, however, pavement distress analysis can be conducted in a swifter and safer manner. Pavement distresses are captured on images which are later automatically analysed. Furthermore, the automated method can improve the objectivity, accuracy, and consistency of the distress survey data. This research is aimed at the development of an Automated Pavement Imaging Program (APIP) for evaluating pavement distress condition. The digital image processing program enables longitudinal, transverse, and alligator cracking to be classified. Subsequently, the program will automatically estimate the crack intensity which can be used for rating pavement distress severity. Advancement in digital photogrammetric technology creates an opportunity to overcome some problems associated with the manual methods. It can provide a low-cost, near real time geometrical imaging through digital photogrammetry without physically touching the surface being measured. Moreover, digital photogrammetry workstation (DPW) is user-friendly, less tedious and enables surface conditions to be represented as ortho-image, overlay contour with ortho-image, as well as digital elevation model. The algorithms developed in this study are found to be capable of identifying type of cracking and its severity level with an accuracy of about 90% when compared to the traditional method. This is to show that the combination of the photogrammetric approach and APIP is a viable system to be used in pavement evaluations.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:APIP, image processing, photogrammetry, pavement distress, cracks, potholes, delaminatons
Subjects:T Technology > TE Highway engineering. Roads and pavements
T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Civil Engineering
ID Code:7834
Deposited By: Ms Zalinda Shuratman
Deposited On:16 Feb 2009 00:51
Last Modified:02 Jun 2010 01:48

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