基于多源数据及三层模型的小班林型识别
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黄健, 吴达胜, 方陆明
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Identification of sub-compartment forest type based on multi-source data and three-tier models
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HUANG Jian, WU Dasheng, FANG Luming
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表2 光谱特征因子
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Table 2 Spectral characteristic factor
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自变量
因子类别
category of
independent
variable factors | 自变量
因子名称
name of
independent
variable factors | 量符号或公式
variable
or
the formula | 中文名称
Chinese name | 遥感影像
波段信息
band
information
of remote
sensing
image | B2 | B2 | 遥感影像像元值 | | B3 | B3 | | B4 | B4 | | B5 | B5 | | B6 | B6 | | B7 | B7 | | B8 | B8 | | B8A | B8A | | B11 | B11 | | B12 | B12 | 植被指数
vegetation
index | RVI | B5/B4 | 比值植被指数 | | EVI | 2.5×(B8-B4)/(B8+
6×B4-7.5×B2+1) | 增强型植被指数 | | DVI | B8/B4 | 差值环境植被指数 | | NDVI | (B8-B4)/(B8+B4) | 归一化植被指数 | 光学波段
组合因子
optical band
combination
factor | B8A_B4 | (B8A-B4)/(B8A+B4) | | | B8A_B7 | (B8A-B7)/(B8A+B7) | | | B7_B6 | (B7-B6)/(B7+B6) | | | B8A_B5 | (B8A-B5)/(B8A+B5) | | | B6_B5 | (B6-B5)/(B6+B5) | | | B8A_B6 | (B8A-B6)/(B8A+B6) | |
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