Journal of Geo-information Science, Volume. 22, Issue 9, 1766(2020)

Pair-wise Line Matching Algorithm based on Feature Similarity Constraints of Geometric Attributes between the Lines

Wanying HE1 and Jingxue WANG1,2、*
Author Affiliations
  • 1School of Geomatics, Liaoning Technical University, Fuxin 123000, China
  • 2Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 611756, China
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    Figures & Tables(11)
    Flow chart of pair-wise line matching
    Finding intersection line pairs
    Diagram of epilolar constraint
    Generating grouped line pairs
    Matching results of our approach for different scenes.
    Test images
    Local line matching results of different algorithms
    • Table 1. Line matching results by different parameterθ1[30°,150°]

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      Table 1. Line matching results by different parameterθ1[30°,150°]

      Td=80/像素Th=1/像素Tβ=20°
      TμTlineTg整合后同名直线数目/对正确匹配数目/对匹配正确率∕%
      0.11122521294.22
      0.22223021894.78
      0.33323422395.30
      0.44423121994.81
      0.55522721494.27
    • Table 2. Line matching results by different parameterθ1[45°,135°]

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      Table 2. Line matching results by different parameterθ1[45°,135°]

      Td=100/像素Th=1/像素Tβ=20°
      TμTlineTg整合后同名直线数目/对正确匹配数目/对匹配正确率∕%
      0.11126025497.44
      0.22226325797.45
      0.33326926397.76
      0.44426525997.20
      0.55526225697.17
    • Table 3. Line matching results by different parameterθ1[15°,165°]

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      Table 3. Line matching results by different parameterθ1[15°,165°]

      Td=120/像素Th=1/像素Tβ=20°
      TμTlineTg整合后同名直线数目/对正确匹配数目/对匹配正确率∕%
      0.11125024196.40
      0.22225724896.50
      0.33326625796.62
      0.44426325496.58
      0.55526025196.54
    • Table 4. Comparative analysis of matching results by four methods

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      Table 4. Comparative analysis of matching results by four methods

      实验影像编组直线组数目/对不同算法同名直线组数目/对同名单直线对数目/对整合后同名直线数目/对正确匹配数目/对匹配正确率∕%运行时间/s
      目标影像待匹配影像
      图6(a)25702620文献[11]文献[26]文献[19]本文算法N/A32732234139044630232138243593.794.197.997.5101206
      6851250
      N/A911135
      487915217
      图6(b)16032218文献[11]文献[26]文献[19]本文算法N/A22322119336627718418535727183.395.797.597.863
      301553119
      N/A605107
      254387135
      图6(c)23591887文献[11]文献[26]文献[19]本文算法N/A109992372142698522220726385.893.796.797.828
      456807139
      N/A344132143
      329593
      图6(d)37933345文献[11]文献[26]文献[19]本文算法N/A37834633337128730331336428487.694.098.199.0104
      564908202
      N/A770129
      372668164
      图6(e)31963474文献[11]文献[26]文献[19]本文算法N/A30326238629739724237227338892.496.491.997.781
      466732238
      N/A68096
      338642241
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    Wanying HE, Jingxue WANG. Pair-wise Line Matching Algorithm based on Feature Similarity Constraints of Geometric Attributes between the Lines[J]. Journal of Geo-information Science, 2020, 22(9): 1766

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    Paper Information

    Received: Jun. 25, 2019

    Accepted: --

    Published Online: Apr. 23, 2021

    The Author Email: WANG Jingxue (xiaoxue1861@163.com)

    DOI:10.12082/dqxxkx.2020.190334

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