Spacecraft Recovery & Remote Sensing, Volume. 45, Issue 1, 99(2024)

Feature Point Matching Method for Weakly Textured Spatial Objects

Bo LI1...2, Hongyan HE1,2, Yu WANG1,2, Yufei DING1,2, Dou SUN3, and Shixiang CAO12 |Show fewer author(s)
Author Affiliations
  • 1Beijing Institute of Space Mechanics & Electricity, Beijing 100094, China
  • 2Key Laboratory for Advanced Optical Remote Sensing Technology of Beijing, Beijing 100094, China
  • 3Unit 63768 of the Chinese People’s Liberation Army, Xi’an 710000, Shaanxi, China
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    Figures & Tables(16)
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    • Table 1. Comparison of the matching results based on cluster and direct matching

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      Table 1. Comparison of the matching results based on cluster and direct matching

      评价指标数据1(远距离)数据2(远距离)数据3(近距离)数据4(近距离)
      SIFTSURFSIFTSURFSIFTSURFSIFTSURF
      直接聚类直接聚类直接聚类直接聚类直接聚类直接聚类直接聚类直接聚类
      匹配数量5561415825332732失败281633失败982033
      X向重投影误差/像元0.19920.16520.43450.23580.34030.15620.28280.23050.17710.22820.22110.20910.19300.1776
      Y向重投影误差/像元0.39830.09170.47060.08950.12930.11040.16340.14650.03650.05100.05090.03660.03530.0330
    • Table 2. Influence of the cluster number on the matching results

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      Table 2. Influence of the cluster number on the matching results

      首轮聚类k二轮聚类Δθ匹配数量重投影误差/像元首轮聚类k二轮聚类Δθ匹配数量重投影误差/像元
      x方向y方向x方向y方向
      3180°470.28850.0439660°570.22590.0947
      120°440.27900.111930°240.69740.3073
      60°430.273 50.047 78180°470.24760.0267
      30°230.14580.1134120°490.269 40.300 6
      4180°550.16150.136660°480.45860.2107
      120°580.23580.089530°230.15040.2234
      60°520.25380.075710180°410.42010.3508
      30°240.69040.3033120°450.22900.0513
      6180°590.48420.316660°410.25360.1100
      120°610.23770.140230°220.15630.1226
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    Bo LI, Hongyan HE, Yu WANG, Yufei DING, Dou SUN, Shixiang CAO. Feature Point Matching Method for Weakly Textured Spatial Objects[J]. Spacecraft Recovery & Remote Sensing, 2024, 45(1): 99

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    Paper Information

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    Received: Aug. 5, 2023

    Accepted: Nov. 28, 2023

    Published Online: Apr. 22, 2024

    The Author Email:

    DOI:10.3969/j.issn.1009-8518.2024.00.009

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