Table 2 Estimation error for different multiple linear models used to estimate chlorophyll content for various imaging technology
Imaging technology | Component | Regression | R2 | AIC |
|---|---|---|---|---|
Visible image | R | y = a0 + a1R + a2DAS | 0.56 | 3630 |
y = b0 + b1R + b2DAS + b3SLW | 0.77 | 3440 | ||
G | y = a0 + a1G + a2DAS | 0.64 | 3569 | |
y = b0 + b1G + b2DAS + b3SLW | 0.79 | 3413 | ||
B | y = a0 + a1B + a2DAS | 0.48 | 3680 | |
y = b0 + b1B + b2DAS + b3SLW | 0.70 | 3513 | ||
H | y = a0 + a1H + a2DAS | 0.61 | 3589 | |
y = b0 + b1H + b2DAS + b3SLW | 0.67 | 3539 | ||
S | y = a0 + a1S + a2DAS | 0.85 | 3309 | |
y = b0 + b1S + b2DAS + b3SLW | 0.88 | 3252 | ||
I | y = a0 + a1I + a2DAS | 0.57 | 3621 | |
y = b0 + b1I + b2DAS + b3SLW | 0.77 | 3440 | ||
Hyperspectral image | NDVI | y = a0 + a1NDVI + a2DAS | 0.68 | 3488 |
y = b0 + b1NDVI + b2DAS + b3SLW | 0.77 | 3395 | ||
RVI | y = a0 + a1RVI + a2DAS | 0.69 | 3475 | |
y = b0 + b1RVI + b2DAS + b3SLW | 0.77 | 3383 | ||
MCARI | y = a0 + a1MCARI + a2DAS | 0.69 | 3471 | |
y = b0 + b1MCARI + b2DAS + b3SLW | 0.78 | 3375 | ||
Fluorescence image |  | y = a0 + a1Fluo + a2DAS | 0.69 | 3519 |
y = b0 + b1Fluo + b2DAS + b3SLW | 0.79 | 3404 |