Table 1.
Temperature errors between the un-calibrated and calibrated data with temperature-controlled references.
| Site | Item * | Mean (°C) | RMSE (°C) | Relative RMSE (%) | Improvement (%) |
|---|---|---|---|---|---|
| GTT | 16.16 | N/A | N/A | ||
| Location 1 | UCT | 3.56 | 12.60 | 78.0 | 92.0 |
| CCT | 17.02 | 1.01 | 6.30 | ||
| GTT | 15.56 | N/A | N/A | ||
| Location 2 | UCT | 2.73 | 12.83 | 82.50 | 94.2 |
| CCT | 16.31 | 0.75 | 4.80 | ||
| GTT | 15.80 | N/A | N/A | ||
| Location 3 | UCT | 2.12 | 13.68 | 86.60 | 97.7 |
| CCT | 15.78 | 0.32 | 2.00 | ||
| GTT | 16.28 | N/A | N/A | ||
| Location 4 | UCT | 2.28 | 14.00 | 86.00 | 94.0 |
| CCT | 15.93 | 0.82 | 5.20 | ||
| GTT | 15.24 | N/A | N/A | ||
| Location 5 | UCT | 1.52 | 13.72 | 90.00 | 97.0 |
| CCT | 15.28 | 0.41 | 2.70 |
* GTT: ground-truth temperature, UCT: un-calibrated crop temperature, CCT: calibrated crop temperature.