Table 4 Accuracy errors E in mm for each subject and each algorithm between the true GHJC and the estimated one
Algorithm | Subject 1 | Subject 2 | Subject 3 | Subject 4 | Subject 5 | Mean |
|---|---|---|---|---|---|---|
\({\text{NAP}}^{\left( 1 \right)}\) | 16.4 ± 7 | 37.3 ± 10 | 11.2 ± 4 | 21.3 ± 3 | 17.3 ± 5 | 20.7 ± 10 |
\({\text{NAP}}_{{\upomega}}^{\left( 1 \right)}\) | 15.9 ± 7 | 37.5 ± 10 | 11.2 ± 4 | 21.1 ± 3 | 17.3 ± 5 | 20.6 ± 10 |
\({\text{NAP}}_{{\upomega {\text{a}}}}^{\left( 2 \right)}\) | 18.0 ± 6 | 38.5 ± 10 | 12.4 ± 7 | 19.8 ± 4 | 18.5 ± 6 | 21.4 ± 11 |
\({\text{SSFC}}^{\left( 2 \right)}\) | 29.3 ± 5* | 37.9 ± 10 | 29.4 ± 10* | 22.2 ± 6* | 30.7 ± 9* | 29.9 ± 10 |
\({\text{SAC}}^{\left( 2 \right)}\) | 22.6 ± 5 | 33.8 ± 11 | 12.6 ± 5 | 21.6 ± 3 | 19.1 ± 4 | 21.9 ± 9 |