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 indexEquation

Normalized difference vegetation index (NDVI)/
Structurally insensitive pigment index (SIPI)/
Red edge normalized difference vegetation index (RENDVI)/
Photochemical reflectance index (PRI)/