Volume 13 Issue 6
Dec.  2024
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Article Navigation >  Journal of Radars  > 2024  >  13(6): 1170-1183
WANG Huiqin, YANG Fadong, HE Yongqiang, et al. Detection of common underground targets in ground penetrating radar images using the GDS-YOLOv8n model[J]. Journal of Radars, 2024, 13(6): 1170–1183. doi: 10.12000/JR24160
Citation: WANG Huiqin, YANG Fadong, HE Yongqiang, et al. Detection of common underground targets in ground penetrating radar images using the GDS-YOLOv8n model[J]. Journal of Radars, 2024, 13(6): 1170–1183. doi: 10.12000/JR24160
shu

Detection of Common Underground Targets in Ground Penetrating Radar Images Using the GDS-YOLOv8n Model

DOI: 10.12000/JR24160
  • 1.

    School of Computer and Communication, Lanzhou University of Technology, Lanzhou 730050, China

  • 2.

    School of Civil Engineering, Northwest Minzu University, Lanzhou 730030, China

  • 3.

    SCEGC Installation Group Company LTD, Xi’an 710068, China

Funds:  Key Research and Development Program of Gansu Province (23YFFA0060), “Innovation Star” Project of Outstanding Graduate Students in Gansu Province
More Information
  • Corresponding author: WANG Huiqin, whq1222@lut.edu.cn; YANG Fadong, 1948374001@qq.com
  • Received Date: 2024-08-09
  • Rev Recd Date: 2024-10-14
    • Available Online: 2024-10-15
  • Publish Date: 2024-10-24
    Abstract
  • Ground Penetrating Radar (GPR) image detection currently faces challenges such as low accuracy, false detections, and missed detections. To overcome these challenges, we propose a novel model referred to as GDS-YOLOv8n for detecting common underground targets in GPR images. The model incorporates the DRRB (Dilated Residual Reparam Block) feature extraction module to achieve enhanced multiscale feature extraction, with certain C2f modules in the YOLOv8n architecture being effectively replaced. In addition, the space-to-depth Conv downsampling module is used to replace the Conv modules corresponding to feature maps with a resolution of 320×320 pixels and less. This replacement assists in mitigating information loss during the downsampling of GPR images, particularly for images with limited resolution and small targets. Furthermore, the detection performance is enhanced using an auxiliary training module, ensuring performance improvement without increasing inference complexity. The introduction of the Inner-SIoU loss function refines bounding box predictions by imposing new constraints tailored to GPR image characteristics. Experimental results on real-world GPR datasets demonstrate the effectiveness of the GDS-YOLOv8n model. For six classes of common underground targets, including metal pipes, PVC pipes, and cables, the model achieves a precision of 97.1%, recall of 96.2%, and mean average precision at 50% IoU (mAP50) of 96.9%. These results indicate improvements of 4.0%, 6.1%, and 4.1%, respectively, compared to corresponding values of the YOLOv8n model, with notable improvements observed when detecting PVC pipes and cables. Compared with those of models such as YOLOv5n, YOLOv7-tiny, and SSD (Single Shot multibox Detector), our model’s mAP50 is improved by 7.20%, 5.70%, and 14.48%, respectively. Finally, the application of our model on a NVIDIA Jetson Orin NX embedded system results in an increase in the detection speed from 22 to 40.6 FPS after optimization via TensorRT and FP16 quantization, meeting the demands for the real-time detection of underground targets in mobile scenarios.

     

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