To address the issues of easy loss and inaccurate localization of distant small targets in railway LiDAR point cloud foreign object detection, this paper proposes a 3D object detection method named RailMASDet. The method constructs a cross-scale semantic spatial feature reassembly strategy. By employing transposed...
Shan-Ping Ning, Hang Li, Yi-Dan Chen et al.· Scientific Reports· 0 citations
Existing vision-based detection techniques place excessive emphasis on object recognition. They largely ignore the assessment of intrusion risks. To tackle this problem, the present paper introduces a risk level evaluation method that incorporates lateral distance. The method first employs YOLORS to perform railway tra...
The proposed framework provides an interpretable geometry-based approach for extending conventional obstacle detection toward railway risk-aware perception, showing potential for intelligent railway inspection, early warning, and safety-oriented operation and maintenance.
Shan-Ping Ning, Hang Li, Yi-Dan Chen et al.· Infrastructures· 0 citations
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