Spectroscopy and Spectral Analysis, Volume. 41, Issue 2, 572(2021)

Fertilized Eggs’ Air-Cell Change Monitoring Algorithm Based on Thermal-Image

You-fu LIU*, De-qin XIAO, and Chun-tao WANG
Author Affiliations
  • College of Mathematics and Informatics, South China Agricultural University/Guangdong Province Agricultural Data Engineering Research Center, Guangzhou 510642, China
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    Figures & Tables(17)
    Collecting thermal images
    Schematic diagram of Faster-RCNN
    Flow chart of segment
    Multi-channel grayscale(a): Default grayscale; (b): R channel; (c): G channel; (b): B channel
    Otsu segment(a): Thermal image of breeding eggs; (b): Default grayscale; (c): Otsu algorithm
    Structure of BP neural network
    Trend of total loss function
    Result of eggs detection
    Some segment of egg’s thermal images(a): Thermal images; (b): Otsu algorithm; (c): BP neural network
    Segment’s images of egg and air cell
    Change of air cell size
    Correlation between the artificial measured value and thermal-image measured value
    • Table 1. Instrument parameter value

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      Table 1. Instrument parameter value

      仪器参数参数值
      热像仪测量范围-20~+120 ℃
      测温精度±0.05 ℃
      图像分辨率320×240 pixels
      波长范围7.5~13 μm
      孵化箱控温精度±0.1 ℃
      电热功率300 W
      容蛋量(鸡蛋)1 232枚
    • Table 2. Learning rate and momentum coefficient

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      Table 2. Learning rate and momentum coefficient

      初始学习速率动量系数平均精度均值/%
      0.1-0
      0.01-96.57
      0.001-97.63
      0.000 1-68.85
      0.599.65
      0.0010.999.74
      0.9999.85
    • Table 3. Hidden layers’ optimization of BP neural network

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      Table 3. Hidden layers’ optimization of BP neural network

      隐藏层结构F1度量/%
      1 00081.45
      1 000, 1 00085.76
      1 000, 1 000, 1 00090.81
      1 000, 2 000, 1 00090.94
      1 000, 3 000, 1 00091.19
      3 000, 3 000, 3 00089.91
    • Table 4. Hyperparameters’ optimization of BP neural network

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      Table 4. Hyperparameters’ optimization of BP neural network

      初始学习速率最大迭代次数F1度量/%
      0.169.76
      0.0180.01
      0.0011 00088.89
      0.000 190.38
      0.000 0188.17
      0.000 110085.64
      30088.58
      50090.17
      80090.12
    • Table 5. Comparison of algorithms for segment

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      Table 5. Comparison of algorithms for segment

      图像状况Otsu算法效果/%BP神经网络效果/%
      只存在一个蛋68.8687.17
      有两个蛋存在61.6486.94
      总体65.2587.02
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    You-fu LIU, De-qin XIAO, Chun-tao WANG. Fertilized Eggs’ Air-Cell Change Monitoring Algorithm Based on Thermal-Image[J]. Spectroscopy and Spectral Analysis, 2021, 41(2): 572

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    Paper Information

    Category: Research Articles

    Received: Dec. 2, 2019

    Accepted: Apr. 26, 2020

    Published Online: Apr. 8, 2021

    The Author Email: You-fu LIU (lyf0313@126.com)

    DOI:10.3964/j.issn.1000-0593(2021)02-0572-07

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