Optics and Precision Engineering, Volume. 33, Issue 8, 1259(2025)

A visual inertial SLAM system based on key planes with heterogeneous feature fusion

Yehu SHEN1, Yifan HE2、*, Jikun WEI1, and Daqing ZHANG1
Author Affiliations
  • 1College of Mechanical Engineering,Suzhou University of Science and Technology, Suzhou25009 , China
  • 2Institute of Intelligent Science and Engineering, Shenzhen Polytechnic University, Shenzhen518055, China
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    Figures & Tables(17)
    System framework diagram
    Delaunay triangulation results for single-frame images
    Relationship between projected points and bounded planes
    Planar fusion schematic
    Factor graph models incorporating planar features
    Visual reprojection residual on a unit sphere
    Heterogeneous feature fusion residuals
    Loop closure detection Process
    Robustness comparison results of the EuRoC dataset
    Partial trajectories of the proposed method in this paper (left column) with trajectory error plots (right column)
    Sliding window optimization module runtime comparison
    • Table 1. Comparison results of initialization performance of EuRoC dataset

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      Table 1. Comparison results of initialization performance of EuRoC dataset

      序列本文提出方法Vins-Mono15
      时间局部ATE全局ATE时间局部ATE全局ATE
      MH0110.670.130.129.440.150.12
      MH0211.320.090.1111.580.110.12
      MH0310.750.110.1212.160.110.13
      MH049.880.160.1810.810.160.18
      MH0513.230.210.1914.520.240.21
      V1_018.760.070.078.580.070.07
      V1_029.780.090.089.470.110.08
      V1_0311.240.120.1712.460.140.19
      V2_019.060.060.089.240.060.08
      V2_029.520.110.1410.790.110.16
      V2_0312.310.140.2213.230.150.22
    • Table 2. Comparison results of ATE(m) under EuRoC for different SLAM methods

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      Table 2. Comparison results of ATE(m) under EuRoC for different SLAM methods

      序列VINS-Mono15BASALT18Kimera9Structure PLP24本文提出方法
      w/w/ow/w/ow/w/ow/w/ow/w/o
      MH010.120.150.070.080.070.11N/AN/A0.060.07
      MH020.120.150.060.080.070.10N/AN/A0.050.08
      MH030.130.220.070.090.110.16N/AN/A0.060.07
      MH040.180.320.130.160.150.24N/AN/A0.090.12
      MH050.210.300.110.150.240.35N/AN/A0.130.17
      V1_010.070.080.040.060.050.050.100.170.040.07
      V1_020.080.110.050.070.110.070.100.150.040.08
      V1_030.190.180.100.130.120.070.140.230.080.13
      V2_010.080.080.040.100.070.080.120.190.050.07
      V2_020.160.160.050.070.100.100.140.240.070.10
      V2_030.220.27N/AN/A0.190.210.140.290.140.23
      平均值0.140.18N/AN/A0.130.14N/AN/A0.070.11
    • Table 3. Comparative RPE results of different methods in EuRoC

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      Table 3. Comparative RPE results of different methods in EuRoC

      序列VINS-Mono15BASALT18本文提出方法
      RPEt/mRPEt/(°)·100-1RPEt/mRPEt/(°)·100-1RPEt/mRPEt/(°)·100-1
      MH010.041.50.031.20.030.8
      MH020.060.90.030.90.020.7
      MH030.040.90.040.80.040.7
      MH040.051.30.030.80.020.5
      MH050.051.30.030.70.050.7
      V1_010.140.063.10.063.4
      V1_020.050.90.030.70.030.5
      V1_030.051.70.040.80.030.7
      V2_010.041.70.021.00.041.3
      V2_020.041.30.021.00.031.2
      V2_030.052.3N/AN/A0.051.7
      平均值0.051.6N/AN/A0.041.1
    • Table 4. ATE(m) TUM-VI comparison results

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      Table 4. ATE(m) TUM-VI comparison results

      序列VINS-Mono15BASALT18本文方法
      Room10.070.090.04
      Room20.070.070.04
      Room30.110.130.13
      Room40.040.050.02
      Room50.20.130.09
      Room60.080.020.06
      平均值0.100.080.06
    • Table 5. Ablation experiments on ATE

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      Table 5. Ablation experiments on ATE

      序列VINSVINS+POurs
      MH010.120.090.06
      MH020.120.090.05
      MH030.130.070.06
      MH040.180.140.09
      MH050.210.280.13
      V1_010.070.040.04
      V1_020.080.060.04
      V1_030.190.180.09
      V2_010.080.060.05
      V2_020.160.10.07
      V2_030.220.250.14
      平均值0.140.110.07
    • Table 6. Running time of each module of the method proposed

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      Table 6. Running time of each module of the method proposed

      模块时间/ms
      视觉惯性前端33.1
      融合平面特征的后端优化20.5
      回环检测48.7
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    Yehu SHEN, Yifan HE, Jikun WEI, Daqing ZHANG. A visual inertial SLAM system based on key planes with heterogeneous feature fusion[J]. Optics and Precision Engineering, 2025, 33(8): 1259

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    Paper Information

    Category:

    Received: Dec. 9, 2024

    Accepted: --

    Published Online: Jul. 1, 2025

    The Author Email: Yifan HE (heyifan@reconova.com)

    DOI:10.37188/OPE.20253308.1259

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