2.5 Multispectral image features extraction 2.5.1 Selection of vegetation index By combining different bands linearly or nonlinearly, the vegetation indices constructed has certain indicative significance for the dynamic changes of vegetation canopy information, which not only reduces the influence of atmospheric and soil environmental factors but also enhances the sensitivity of LAI to canopy reflectivity.
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Non-destructive monitoring of maize LAI by fusing UAV spectral and textural features.
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