Journal
COMPUTERS IN INDUSTRY
Volume 112, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.compind.2019.08.002
Keywords
Bridge damage detection; Deep learning; Semantic segmentation
Funding
- NII Int'l Internship Program
- grant on \enquote(Research on improving predictability by blending deep learning and symbol processing) (Kakenh) [16H06562]
- Spanish project [TIN2016-74946-P]
- CERCA Programme/Generalitat de Catalunya
- NVIDIA Corporation
- ICREA under the ICREA Academia programme
- Grants-in-Aid for Scientific Research [16H06562] Funding Source: KAKEN
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Structural Health Monitoring (SHM) has benefited from computer vision and more recently, Deep Learning approaches, to accurately estimate the state of deterioration of infrastructure. In our work, we test Fully Convolutional Networks (FCNs) with a dataset of deck areas of bridges for damage segmentation. We create a dataset for delamination and rebar exposure that has been collected from inspection records of bridges in Niigata Prefecture, Japan. The dataset consists of 734 images with three labels per image, which makes it the largest dataset of images of bridge deck damage. This data allows us to estimate the performance of our method based on regions of agreement, which emulates the uncertainty of in-field inspections. We demonstrate the practicality of FCNs to perform automated semantic segmentation of surface damages. Our model achieves a mean accuracy of 89.7% for delamination and 78.4% for rebar exposure, and a weighted F1 score of 81.9%. (C) 2019 Published by Elsevier B.V.
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