Bolt loosening angle detection through arrangement shape-independent perspective transformation and corner point extraction based on semantic segmentation results
Shengyuan Li,
Yushan Le,
Xian Li
et al.
Abstract:The identification of loosened bolts is crucial for the early warning of structural damage and maintaining the overall stability of the structure. Most existing two-dimensional computer vision-based bolt loosening detection methods need to rely on the bolt arrangement shape for perspective transformation, to overcome this limitation, this study proposes a bolt loosening angle detection method through arrangement shape-independent perspective transformation and corner point extraction based on semantic segmenta… Show more
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