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. 2021 Oct 27;12:734944. doi: 10.3389/fpls.2021.734944

Figure 2.

Figure 2

Workflow to retrieve plant temperature (Tp) of green vegetation from the thermal infrared (TIR) orthomosaic using an object-based image analysis (OBIA) delineation of the red, green, and blue (RGB) image data, k-mean classification, green–red vegetation index (GRVI) thresholding, and air temperature (Ta).