Automated shape-based pavement crack detection approach

Date
2018-01-01
Authors
Wang, Teng
Somani, Arun
Gopalakrishnan, Kasthurirangan
Smadi, Omar
Somani, Arun
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Electrical and Computer Engineering
Abstract

Pavements are critical man-made infrastructure systems that undergo repeated traffic and environmental loadings. Consequently, they deteriorate with time and manifest certain distresses. To ensure long-lasting performance and appropriate level of service, they need to be preserved and maintained. Highway agencies routinely employ semiautomated and automated image-based methods for network-level pavement-cracking data collection, and there are different types of pavement-cracking data collected by highway agencies for reporting and management purposes. We design a shape-based crack detection approach for pavement health monitoring, which takes advantage of spatial distribution of potential cracks. To achieve this, we first extract Potential Crack Components (PCrCs) from pavement images. Next, we employ polynomial curve to fit all pixels within these components. Finally, we define a Shape Metric (SM) to distinguish crack blocks from background. We experiment the shape-based crack detection approach on different datasets, and compare detection results with an alternate method that is based on Support Vector Machines (SVM) classifier. Experimental results prove that our approach has the capability to produce higher detections and fewer false alarms. Additional research is needed to improve the robustness and accuracy of the developed approach in the presence of anomalies and other surface irregularities.

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This article is published as Wang, Teng, Kasthurirangan Gopalakrishnan, Omar Smadi, and Arun K. Somani. "Automated shape-based pavement crack detection approach." Transport 33, no. 3 (2018): 598-608. DOI: 10.3846/transport.2018.1559. Posted with permission.

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