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False-positive test results under the no-frost condition and under good lighting with the trained CNN on the test terminal.
| Mixed Colors | Single Color | |
|---|---|---|
| No. of tests | 270 | 135 |
| Correct (“no frost”) | 266 | 134 |
| Incorrect (“frost”) | 4 | 1 |
| Accuracy (%) | 98.5 | 99.3 |
