Table 4 Regression equations between DN values of panels and reflectance values
Date | Camera waveband | Regression equation | Goodness-of-fit (\(R^2\)) |
|---|---|---|---|
14th August-Sunny | Red | \(1.35\times e^{0.016x}\) | 0.959 |
Green | \(0.877\times e^{0.017x}\) | 0.943 | |
Blue | \(0.817\times e^{0.018x}\) | 0.951 | |
18th August-Overcast | Red | \(1.947\times e^{0.015x}\) | 0.998 |
Green | \(1.403\times e^{0.016x}\) | 0.991 | |
Blue | \(1.351\times e^{0.016x}\) | 0.993 |