Nile WU, Yulong BAO, Rentuya BU, Buxinbayaer TU, Saixiyalatu TAO, Yuhai BAO, Eerdemutu JIN. Identification of Typical Grassland Degradation Indicator Species based on UAV Hyperspectral Remote Sensing[J]. Remote Sensing Technology and Application, 2024, 39(1): 248
- Remote Sensing Technology and Application
- Vol. 39, Issue 1, 248 (2024)
Fig. 1. Geographical location of the study area
Fig. 2. UAV and hyperspectral remote sensing image acquisition systems
Fig. 3. Vegetation photos of the study area and ground data collection site photos
Fig. 4. Comparison of the original spectral curve and the spectral curve after smoothing noise reduction
Fig. 5. Measured reflection spectral curve
Fig. 6. Differential transformation curve diagram
Fig. 7. Envelope removal transform spectrum curve
Fig. 8. Spectral characteristic curves and standard deviations of training samples
Fig. 9. Training sample distribution plot
Fig. 10. Support Vector Machines and Random Forest classification results
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Table 1. Classification and index of grassland degradation degree
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Table 2. Confusion matrix result statistics table of Support Vector Machine
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Table 3. Statistical table of confusion matrix results for Random Forest
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Table 4. Pixel statistics table
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Table 5. Landscape pattern index statistical table
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