Tree Species Classification Based on Sentinel-2 Imagery and Random Forest Classifier in the Eastern Regions of the Qilian Mountains
Abstract
:1. Introduction
2. Study Area and Data
2.1. Study Area
2.2. Data Source and Preprocessing
3. Methods
3.1. Calculation of Vegetation Indices
3.2. Extraction of Texture Features
3.3. Extraction of Vegetated Area
3.4. Random Forest Classifier
4. Results
4.1. Separability Analysis of Different Schemes
4.2. Classification Accuracy
4.3. Spatial Distribution Patterns of Different Vegetation Types
4.4. Geographical Distribution Characteristics of Different Tree Species
5. Discussion
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Spectral Bands | Central Wavelength (nm) | Bandwidth (nm) | Spatial Resolution (m) |
---|---|---|---|
Blue | 490 | 98 | 10 |
Green | 560 | 45 | 10 |
Red | 665 | 38 | 10 |
Vegetation Red Edge 1 | 705 | 19 | 20 |
Vegetation Red Edge 2 | 740 | 18 | 20 |
Vegetation Red Edge 3 | 775 | 28 | 20 |
Near InfraRed | 842 | 145 | 10 |
Narrow Near InfraRed | 865 | 33 | 20 |
Short Wave InfraRed | 1610 | 143 | 20 |
Short Wave InfraRed | 2190 | 242 | 20 |
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Ma, M.; Liu, J.; Liu, M.; Zeng, J.; Li, Y. Tree Species Classification Based on Sentinel-2 Imagery and Random Forest Classifier in the Eastern Regions of the Qilian Mountains. Forests 2021, 12, 1736. https://doi.org/10.3390/f12121736
Ma M, Liu J, Liu M, Zeng J, Li Y. Tree Species Classification Based on Sentinel-2 Imagery and Random Forest Classifier in the Eastern Regions of the Qilian Mountains. Forests. 2021; 12(12):1736. https://doi.org/10.3390/f12121736
Chicago/Turabian StyleMa, Minfei, Jianhong Liu, Mingxing Liu, Jingchao Zeng, and Yuanhui Li. 2021. "Tree Species Classification Based on Sentinel-2 Imagery and Random Forest Classifier in the Eastern Regions of the Qilian Mountains" Forests 12, no. 12: 1736. https://doi.org/10.3390/f12121736