Journal
COMPUTER-AIDED CIVIL AND INFRASTRUCTURE ENGINEERING
Volume 35, Issue 8, Pages 832-849Publisher
WILEY
DOI: 10.1111/mice.12533
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Funding
- National Natural Science Foundation of China [51978067]
- Science andTechnology Development Project of Xinjiang Production and Construction Corps [2019AB013]
- KeyResearch andDevelopment Programof Shaanxi Province of China [2019GY-174]
- China Scholarship Council [CSC201801810108]
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Image segmentation has been implemented for pavement defect detection, from which types, locations, and geometric information can be obtained. In this study, an integration of a fully convolutional network with a Gaussian-conditional random field (G-CRF), an uncertainty framework, and probability-based rejection is proposed for detecting pavement defects. First, a fully convolutional network is designed to generate preliminary segmentation results, and a G-CRF is used to refine the segmentation. Second, epistemic and aleatory uncertainties in the model and database are considered to overcome the disadvantages of traditional deep-learning methods. Last, probability-based rejection is conducted to remove unreasonable segmentations. The proposed method is evaluated on a data set of images that were obtained from 16 highways. The proposed integration segments pavement distresses from digital images with desirable performance. It also provides a satisfactory means to improve the accuracy and generalization performance of pavement defect detection without introducing a delay into the segmentation process.
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