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Contributions of system components to accuracy. Performance drop is calculated as the difference between the original accuracy (87.8%) and the accuracy when each part of the approach is not applied.
| Process disabled | Overall accuracy (%) | Performance drop (% points) |
|---|---|---|
| Intensity adjustment | 80.1 | 7.7 |
| Orientation adjustment | 82.5 | 5.3 |
| Linear discriminant analysis | 85.0 | 2.8 |
