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Laser & Optoelectronics Progress, Volume. 58, Issue 22, 2228009(2021)

Dense Matching of Multi-View Remote Sensing Terrain Image Based on Improved PMVS Algorithm

Yangping Wang1,2,3, Xibing Liu1、*, Jingyu Yang1, and Jianwu Dang1,3
Author Affiliations
  • 1School of Electronics and Information Engineering, Lanzhou Jiaotong University, Lanzhou, Gansu 730070, China
  • 2Experimental Teaching Center on Computer Science, Lanzhou Jiaotong University, Lanzhou, Gansu 730070, China
  • 3Gansu Provincial Engineering Research Center for Artificial Intelligence and Graphic & Image Processing, Lanzhou, Gansu 730070, China;
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
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    References (20)
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    Figures & Tables(10)
    Reconstruction process of PMVS algorithm

    Fig. 1. Reconstruction process of PMVS algorithm

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    Reconstruction process of improved PMVS algorithm

    Fig. 2. Reconstruction process of improved PMVS algorithm

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    Process flow chart of concurrent SIFT operator based on image block

    Fig. 3. Process flow chart of concurrent SIFT operator based on image block

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    Schematic diagram of image segmentation strategy

    Fig. 4. Schematic diagram of image segmentation strategy

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    Constraint relationship between feature point f and potential candidate matching point f'

    Fig. 5. Constraint relationship between feature point f and potential candidate matching point f'

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    Detected results of features. (a) Four terrain images of features to be detected; (b) detected results of features by Harris operator; (c) detected results of features by SIFT operator; (d) detected results of features by improving SIFT operator

    Fig. 6. Detected results of features. (a) Four terrain images of features to be detected; (b) detected results of features by Harris operator; (c) detected results of features by SIFT operator; (d) detected results of features by improving SIFT operator

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    Reconstruction results of two areas using PMVS algorithm and proposed algorithm. (a) Images to be reconstructed; (b) reconstruction results of PMVS algorithm; (c) reconstruction results of proposed algorithm

    Fig. 7. Reconstruction results of two areas using PMVS algorithm and proposed algorithm. (a) Images to be reconstructed; (b) reconstruction results of PMVS algorithm; (c) reconstruction results of proposed algorithm

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    Reconstruction results of two areas using PMVS algorithm and proposed algorithm. (a) Images to be reconstructed; (b) reconstruction results of PMVS; (c) reconstruction results of ours

    Fig. 8. Reconstruction results of two areas using PMVS algorithm and proposed algorithm. (a) Images to be reconstructed; (b) reconstruction results of PMVS; (c) reconstruction results of ours

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    • Table 1. Time performance comparison of Harris operator, SIFT operator, and improved SIFT operator

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      Table 1. Time performance comparison of Harris operator, SIFT operator, and improved SIFT operator

      Image resolutionFeature point extraction time /s
      Harris operatorSIFT operatorImproved SIFT operator
      2457×20000.9861742.7421341.028954
      2451×20000.9091851.8576540.897063
      1765×17680.5414611.2586140.695861
      2451×20000.9953642.8145871.085487

    • Table 2. Comparison of reconstruction performance between original PMVS algorithm and improved PMVS algorithm

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      Table 2. Comparison of reconstruction performance between original PMVS algorithm and improved PMVS algorithm

      Image resolutionNORP of PMVSNORP of improved PMVSPER /%Time of PMVS /sTime of improved PMVS /sTime increase rate /%
      2457×2000159894166922~4.410.9589.587~12.5
      2451×2000210251222081~5.610.7269.191~14.3
      1765×1768189487201693~6.49.6248.587~10.8
      2451×2000217687232025~6.610.9869.486~13.7
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    Yangping Wang, Xibing Liu, Jingyu Yang, Jianwu Dang. Dense Matching of Multi-View Remote Sensing Terrain Image Based on Improved PMVS Algorithm[J]. Laser & Optoelectronics Progress, 2021, 58(22): 2228009

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Jan. 13, 2021

    Accepted: Feb. 4, 2021

    Published Online: Nov. 10, 2021

    The Author Email: Xibing Liu (1972431896@qq.com)

    DOI:10.3788/LOP202158.2228009

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology