Qing Fu, Wenlang Luo, Jingxiang Lü. Land Utilization Change Detection of Satellite Remote Sensing Image Based on AlexNet and Support Vector Machine[J]. Laser & Optoelectronics Progress, 2020, 57(17): 172802
- Laser & Optoelectronics Progress
- Vol. 57, Issue 17, 172802 (2020)
Fig. 1. AlexNet architecture
Fig. 2. Flow chart of land use classification based on AlexNet and SVM
Fig. 3. Distribution of validation samples
Fig. 4. Classification accuracy of the model at different window sizes
Fig. 5. Classification results of different algorithms. (a) Maximum likelihood algorithm; (b) SVM algorithm; (c) AlexNet algorithm; (d) our algorithm (AlexNet+SVM)
Fig. 6. Classification accuracy of different algorithms
Fig. 7. Dynamic change of land use types in Nanchang. (a) From 2013 to 2014; (b) from 2013 to 2015; (c) from 2013 to 2016; (d) from 2013 to 2017
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Table 1. GF-1 multispectral camera technical parameters
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Table 2. Land use/cover change classification system
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Table 3. Training sample data
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Table 4. Land use transition matrix in Nanchang from 2013 to 2017km2
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Table 5. Statistics of land use area change in Nanchang from 2013 to 2017
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