基于地物光谱季节曲线特征的毛竹林分布提取
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魏雪馨,刘洋,闵庆文,刘荣高,张清洋,叶晓星,刘蓓蓓
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Extraction of Moso Bamboo Forest Distribution based on Characteristics of Vegetation Spectral Seasonal Curves
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Xuexin Wei,Yang Liu,Qingwen Min,Ronggao Liu,Qingyang Zhang,Xiaoxing Ye,Beibei Liu
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表3 不同光谱指数计算公式
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Table3 Calculation formulas of different spectral indices
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| 光谱指数 | 计算公式 |
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| NDVI | (NIR - Red) / (NIR + Red) | | DVI | NIR – Red | | RVI | NIR / Red | | RSI | SWIR2 / NIR | | NDWI | (Green - NIR) / (Green + NIR) | | LSWI | (NIR - SWIR1) / (NIR + SWIR1) | | TCB | 0.204 3×Blue+0.415 8×Green+0.552 4×Red+0.574 1×NIR+0.312 4×SWIR1+0.230 3×SWIR2 | | TCG | -0.160 3×Blue-0.2819×Green-0.493 4×Red+0.794 0×NIR-0.000 2×SWIR1-0.144 6×SWIR2 | | TCW | 0.031 5×Blue+0.202 1×Green+0.310 2×Red+0.159 4×NIR-0.680 6×SWIR1-0.610 9×SWIR2 |
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