Optics and Precision Engineering, Volume. 31, Issue 7, 1096(2023)

Automatic extraction of red raspberry planting areas using time series multispectral images

Zhipeng WANG and Xiaofei WANG*
Author Affiliations
  • Electronic Engineering College, Heilongjiang University, Harbin, 150080China
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    Figures & Tables(10)
    Study area overview
    Flow chart for planing area extraction of red raspberry using CART
    NDVI curves before and after smoothing
    Extraction results of raspberry planting area in study area by different methods
    Results of raspberry extraction in the test area
    • Table 1. Phenological dates of red raspberry in study area

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      Table 1. Phenological dates of red raspberry in study area

      品 种萌芽期展叶期现蕾期始花期终花期果实成熟期落叶期
      夏果型4.245.56.76.157.17.189.18
      秋果型4.255.88.78.128.198.2610.1
    • Table 2. Band information from Sentinel-2 satellite

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      Table 2. Band information from Sentinel-2 satellite

      波 段波段号波长/nm中心波长/nm空间分辨率/m

      可见光

      (400~740 nm)

      B1430~45744360
      B2440~53849010
      B3537~58256010
      B4646~68466510
      B5694~71370520
      B6731~74974020

      近红外

      (740~1 300 nm)

      B7769~79778320
      B8760~90884210
      B8a848~88186520
      B9932~95894560

      短波红外

      (1 300~2 500 nm)

      B101 337~1 4121 37560
      B111 539~1 6821 61020
      B122 017~2 3202 19020
    • Table 3. Separation of some land types

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      Table 3. Separation of some land types

      地物类型分离度
      旱田地与建筑1.880 339 68
      旱田地与水田地2.000 000 00
      旱田地与林地2.000 000 00
      水田地与建筑1.991 178 63
      水田地与林地1.999 990 74
      水体与建筑1.996 851 72
      水体与林地1.999 266 07
      水体与旱田地1.999 998 23
      树莓与建筑1.998 156 00
      树莓与林地1.999 300 53
      树莓与旱田地1.999 997 83
      树莓与水体1.999 999 95
      树莓与水田地2.000 000 00
    • Table 4. Accuracy evaluation

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      Table 4. Accuracy evaluation

      提取区域实验方案数 据总精度(OA)Kappa
      研究区最佳时相94.47%0.93
      最佳时相+NDVI时序96.64%0.95
      面向对象分类94.81%0.93
      支持向量机分类93.89%0.92
      实验区最佳时相96.06%0.93
      最佳时相+NDVI时序98.26%0.97
    • Table 5. Comparison of extracted red raspberry planting area and actual planting area

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      Table 5. Comparison of extracted red raspberry planting area and actual planting area

      地 区

      实际种植

      面积/亩

      本文最优方法提取

      面积/亩

      面向对象分类提取

      面积/亩

      支持向量机提取

      面积/亩

      尚志市25 00025 46027 56328 425
      一面坡镇3 5003 5413 7243 859
      亮河镇8 1008 0178 2237 958
      马延乡东兴村150153171118
      宾县常安镇3 1803 2053 3273 466
      宾县宁远镇1 2401 2621 3431 572
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    Zhipeng WANG, Xiaofei WANG. Automatic extraction of red raspberry planting areas using time series multispectral images[J]. Optics and Precision Engineering, 2023, 31(7): 1096

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    Paper Information

    Category: Information Sciences

    Received: Aug. 18, 2022

    Accepted: --

    Published Online: Apr. 28, 2023

    The Author Email: Xiaofei WANG (nk_wxf@hlju.edu.cn)

    DOI:10.37188/OPE.20233107.1096

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