• Journal of Applied Optics
  • Vol. 46, Issue 2, 300 (2025)
Haolong XIE1, Xiaolong ZHANG1,2,*, Peixu WEI1, and Chuanjin CUI1
Author Affiliations
  • 1College of Electrical Engineering, North China University of Science and Technology, Tangshan 063200, China
  • 2Zhejiang Yaoheng Optoelectronic Technology Co.,Ltd., Hangzhou 311600, China
  • show less
    DOI: 10.5768/JAO202546.0202002 Cite this Article
    Haolong XIE, Xiaolong ZHANG, Peixu WEI, Chuanjin CUI. Lightweight traffic sign detection based on RT-DETR[J]. Journal of Applied Optics, 2025, 46(2): 300 Copy Citation Text show less
    Framework diagram of RT-DETR
    Fig. 1. Framework diagram of RT-DETR
    Structure diagram of fusion block
    Fig. 2. Structure diagram of fusion block
    Structure diagram of enhanced RT-DETR network
    Fig. 3. Structure diagram of enhanced RT-DETR network
    Structure diagram of 6-layer VanillaNet network
    Fig. 4. Structure diagram of 6-layer VanillaNet network
    Comparison of feature fusion structures
    Fig. 5. Comparison of feature fusion structures
    Structure diagram of global attention mechanism
    Fig. 6. Structure diagram of global attention mechanism
    Traffic sign datasets
    Fig. 7. Traffic sign datasets
    Images of test results
    Fig. 8. Images of test results
    实验VanillaNetBiFPNGAMPrecisionRecallmAPParams/106
    10.9340.7670.84132.8
    20.9200.7480.82923.2
    30.9370.7550.84530.9
    40.9470.7980.87435.3
    50.9400.7950.84323.5
    60.9450.7830.87127.3
    70.9130.8290.87933.1
    80.8950.8370.87725.8
    Table 1. Results of ablation experiment
    ModelPrecisionRecallmAPParams/106Model Size/ Mb
    Fast-RCNN0.9120.7970.83278.4152.9
    SSD0.9090.7840.82751.3101.7
    YOLOv50.8740.6620.78246.691.3
    YOLOv80.9260.8120.85543.687.2
    RT-DETR0.9340.7670.84132.863.1
    Improved RT-DETR0.8950.8370.87725.851.6
    Table 2. Experimental results of transverse comparison
    Haolong XIE, Xiaolong ZHANG, Peixu WEI, Chuanjin CUI. Lightweight traffic sign detection based on RT-DETR[J]. Journal of Applied Optics, 2025, 46(2): 300
    Download Citation