Table 2.
RMSE and SD of the error of each of the methods for different measures
| Variable | LCNN | LDLA | ACCM |
|---|---|---|---|
| No. of branching points | |||
| RMSE | 5.1326 | 4.1603 | 7.3667 |
| SD | 4.3934 | 4.1652 | 6.9110 |
| No. of terminal points | |||
| RMSE | 8.7127 | 8.6766 | 13.0271 |
| SD | 8.0985 | 8.3479 | 11.6407 |
| No. of segments | |||
| RMSE | 8.9521 | 8.3752 | 15.0708 |
| SD | 8.4248 | 8.3929 | 15.0296 |
| Total fibre length | |||
| RMSE | 463.4712 | 326.0016 | 501.6230 |
| SD | 302.2312 | 271.7448 | 500.6295 |
| Mean fibre length | |||
| RMSE | 40.0348 | 37.6684 | 51.1406 |
| SD | 37.9770 | 34.3762 | 50.6172 |
| Standard deviation of fibre length | |||
| RMSE | 27.6372 | 24.0555 | 33.4168 |
| SD | 26.8020 | 22.6133 | 32.4616 |
| Fractal number | |||
| RMSE | 0.0403 | 0.0307 | 0.0518 |
| SD | 0.0278 | 0.0273 | 0.0519 |
Lower values indicate closer agreement with the manual annotation