Journal of Applied Optics, Volume. 46, Issue 2, 300(2025)

Lightweight traffic sign detection based on RT-DETR

Haolong XIE1... Xiaolong ZHANG1,2,*, Peixu WEI1 and Chuanjin CUI1 |Show fewer author(s)
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
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    Figures & Tables(10)
    Framework diagram of RT-DETR
    Structure diagram of fusion block
    Structure diagram of enhanced RT-DETR network
    Structure diagram of 6-layer VanillaNet network
    Comparison of feature fusion structures
    Structure diagram of global attention mechanism
    Traffic sign datasets
    Images of test results
    • Table 1. Results of ablation experiment

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      Table 1. Results of ablation experiment

      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 2. Experimental results of transverse comparison

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      Table 2. Experimental results of transverse comparison

      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
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    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

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    Paper Information

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    Received: Dec. 21, 2023

    Accepted: --

    Published Online: May. 13, 2025

    The Author Email: ZHANG Xiaolong (张孝龙)

    DOI:10.5768/JAO202546.0202002

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