Fig. 2.
Images captured by the HSI camera. Spectral images highlighting exact values of the NIR, StO2, THI, and TWI on a scale from 0 (blue) to 100 (red). NIR, near-infrared; StO2, superficial hemoglobin oxygen saturation; THI, tissue hemoglobin index; TWI, tissue water index; HSI, hyperspectral imaging.