Spacecraft Recovery & Remote Sensing, Volume. 45, Issue 3, 118(2024)

Combined Multi-Temporal Sentinel-2 and DeepLabV3+ for County Citrus Information Extraction

Linhai YU, Kaiyao WEI, Shiqing DOU*, Bohan DING, and Bing HAN
Author Affiliations
  • College of Geomatics and Geoinformation of Guilin University of Technology, Guilin 541000, China
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    Figures & Tables(17)
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    • Table 1. Band information of Sentinel-2 images

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      Table 1. Band information of Sentinel-2 images

      波段号波段名称中心波长/nm分辨率/m
      B1海岸/气溶胶44360
      B249010
      B3绿56010
      B466510
      B5红边70520
      B6红边74020
      B7红边78320
      B8近红外(宽)84210
      B8A近红外(窄)86520
      B9水蒸气94560
      B10短波红外137560
      B11短波红外161020
      B12短波红外219020
    • Table 2. Feature combination schemes

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      Table 2. Feature combination schemes

      组合名称波段组合波段数
      组合1B2~B43
      组合2B2~B8A8
      组合3B2~B8A+RESI9
      组合4B2~B8A+NDVI+EVI+DVI+GNDVI+RESI13
    • Table 3. Accuracy of citrus orchard extraction with multiple feature combinations

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      Table 3. Accuracy of citrus orchard extraction with multiple feature combinations

      特征组合方案改进DeepLabV3+模型DeepLabV3+模型RF模型
      OA值/%Kappa系数OA值/%Kappa系数OA值/%Kappa系数
      组合187.60.59086.20.55967.40.541
      组合290.80.71990.30.70370.90.548
      组合391.10.73990.50.71569.40.539
      组合489.80.71390.60.71770.50.545
    • Table 4. Comparison of citrus orchard extraction accuracy among various multi-temporal models

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      Table 4. Comparison of citrus orchard extraction accuracy among various multi-temporal models

      数据时相改进DeepLabV3+模型DeepLabV3+模型RF模型
      OA值/%Kappa系数OA值/%Kappa系数OA值/%Kappa系数
      09-0289.20.67489.00.67167.50.521
      10-12—10-2289.80.69189.10.66170.30.559
      11-1190.40.70490.00.69970.40.545
    • Table 5. Comparison of citrus orchard extraction results in Yongfu county

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      Table 5. Comparison of citrus orchard extraction results in Yongfu county

      柑橘园地面积重叠预测方法直接预测方法
      2018年2020年2022年2018年2020年2022年
      注:1)实际统计面积来源于《桂林经济社会统计年鉴—2019》与《桂林经济社会统计年鉴—2021》。
      预测面积/hm²247642587324123231932548020582
      实际统计面积1)/hm²24739259952473925995
      相对误差/%−0.010.046.31.9
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    Linhai YU, Kaiyao WEI, Shiqing DOU, Bohan DING, Bing HAN. Combined Multi-Temporal Sentinel-2 and DeepLabV3+ for County Citrus Information Extraction[J]. Spacecraft Recovery & Remote Sensing, 2024, 45(3): 118

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    Paper Information

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    Received: Apr. 7, 2023

    Accepted: Nov. 28, 2023

    Published Online: Oct. 30, 2024

    The Author Email: Shiqing DOU (doushiqing@glut.edu.cn)

    DOI:10.3969/j.issn.1009-8518.2024.03.012

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