Infrared and Laser Engineering, Volume. 54, Issue 8, 20250158(2025)
Research on laser active detection method for cat-eye targets based on spatial context
Figures & Tables(13)
Fig. 4. The spatial distribution characteristics of gray-level in cat-eye target
Fig. 7. (a) Algorithm results and ground truth annotations; (b) Illustration of occlusion ratio calculation
Fig. 10. (a) Otsu model binarization result; (b) Fixed model binarization result; (c) Ours1 model binarization result
Fig. 11. (a) Detection results in outdoor scenarios; (b) Detection results in complex environments; (c) Special case of cat-eye target occlusion by vehicle
Table 1. Ablation experiments
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Model AI-Otsu Feature fusion Spatial context Improved YOLOv8 Recall MR Precision FPR Time/ms Otsu 49.4% 50.6% 41.0% 59.0% 6.2 Fixed 97.2% 2.8% 45.7% 54.3% 4.8 Ours1 √ 97.2% 2.8% 47.0% 53.0% 7.5 Ours2 √ √ 97.2% 2.8% 49.4% 50.6% 8.2 Ours3 √ √ √ 98.3% 1.7% 67.6% 32.4% 8.3 DFSC √ √ √ √ 98.9 %1.1 %74.5 %25.5 %8.3
Table 2. Algorithm comparison
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Model Ref.[6] Ref.[8] Ref.[9] YOLOv5s YOLOv5m DFSC Recall 90.6% 92.2% 91.7% 85.7% 90.1% 98.9 %MR 9.4% 7.8% 8.3% 14.3% 9.9% 1.1 %Precision 48.5% 47.8% 49.0% 42.5% 46.4% 74.5 %FPR 51.5% 52.2 51.0% 57.5% 53.6% 25.5 %Time/ms 5.2 5.6 4.9 7.3 15.0 8.3
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Tianpeng XIE, Chunxiao WANG, Yan JIANG, Chenghao JIANG, Jingguo ZHU. Research on laser active detection method for cat-eye targets based on spatial context[J]. Infrared and Laser Engineering, 2025, 54(8): 20250158
Paper Information
Category: 光电测量
Received: Mar. 9, 2025
Accepted: --
Published Online: Aug. 29, 2025
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