Service path localisation from aerial imagery
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2023-06-13
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en
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Abstract
Service paths serve as the primary means of accessing railroads and, therefore, must be
maintained in optimal condition. However, monitoring all service paths is a daunting
task, given their extensive coverage along all railroads in the Netherlands. This research
aims to investigate the feasibility of an automatic service path localization system, leveraging
recent advancements in computer vision, deep learning, and image segmentation,
which have demonstrated impressive results in road segmentation. In order take advantage
of these advancements this study selects a segmentation framework, to segment
service paths from aerial imagery. In order to be able to train this network a dataset
needs to be created as there currently exists no dataset of labelled service paths. Therefore
a labelling pipeline is designed. This study also tries to leverage techniques to reduce
the required amount of labelled data. The present study employs the U-Net architecture,
a successful image segmentation model, as its backbone for segmenting service paths.
Transfer learning and augmentation techniques are further employed to alleviate the
problem of a limited dataset. The results demonstrate the plausibility of a service path
segmentation system, but performance improvements are required before its deployment.
To enhance performance, suggested improvements include reducing subjectivity in the
labeling pipeline and increasing diversity in the training data.
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Faculteit der Sociale Wetenschappen