Research Article
Detection of Firmiana danxiaensis Canopies by a Customized Imaging System Mounted on an UAV Platform
Table 3
Three vegetation indices used in the study.
| Vegetation index | Equation |
| Normalized difference vegetation index (NDVI) | / | Structurally insensitive pigment index (SIPI) | / | Red edge normalized difference vegetation index (RENDVI) | / | Photochemical reflectance index (PRI) | / |
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