External Break Detection Technology Based on Scale Segmentation and Feature Optimization

类别	特征名称	个数/个
光谱特征	Max_diff、Brightness、Mean _Red、Mean _Nir、Mean _Green、Mean _Blue、Standard_Red、Standard _Nir、Standard _ Green、Standard _ Blue	10
形状特征	Asymmetry、Elliptic _Fit、Density、Rectangula _Fit、Main _direction、Shape _index、Compactness、Roundness、Border_index	9
纹理特征	GLCM_Correlation、GLCM__Homogeneity、GLCM_Contrast、GLCM_StdDev、GLCM_Ang _2nd moment、GLCM _Dissimilarity、GLCM _Mean、GLCM _ Entropy	8
指数特征	RVI、NDWI、NDVI	3

Table 2. The feature of construction

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Table 2. The feature of construction

特征类别	特征名称	个数/个
光谱特征	Max_diff、Brightness、Mean _Red、Mean _Nir、Mean _Green、Mean _Blue	6
形状特征	Asymmetry、Elliptic _Fit、Main _direction、Shape _index、Compactness	5
纹理特征	GLCM__Homogeneity、GLCM_Contrast、GLCM _Mean	3
指数特征	NDWI	1

Table 3. Statistics of change detection accuracy in the study area
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Table 3. Statistics of change detection accuracy in the study area
参数基于面积基于对象
查准率/% 88.00 85.00
查全率/% 86.92 91.07
F₁ 分数 87.46 87.93

Table 4. Verification area change detection accuracy statistics
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Table 4. Verification area change detection accuracy statistics
参数基于面积基于对象
查准率/% 90.98 89.66
查全率/% 89.87 92.86
F₁ 分数 90.42 91.23

Table 5. Statistics of verification accuracy of change detection
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Table 5. Statistics of verification accuracy of change detection
指标基于面积基于对象
查准率/% 79.99 81.02
查全率/% 86.91 87.40
F₁ 分数 83.31 84.09

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Guanghua HE, Xueling HUANG, Zhijian ZHANG. External Break Detection Technology Based on Scale Segmentation and Feature Optimization[J]. Spacecraft Recovery & Remote Sensing, 2024, 45(4): 150

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