Fig 1.
Illustration of a spino-pelvic system (a) pelvic tilt (PT) (b) pelvic incidence (PI) (c) sacral slope (SS) [3].
Table 1.
Comparison of relevant research works.
Fig 2.
Work flow diagram.
Table 2.
Feature name and associated ranking.
Table 3.
Accuracies of SVM for different feature numbers.
Table 4.
SVM with RBF kernel using 6 features.
Table 5.
SVM with different kernels using 6 features.
Table 6.
Results for different proportion of test samples for SVM.
Table 7.
Result of SVM-PCA and LR-PCA.
Table 8.
Accuracy of bagging SVM with different values of c.
Table 9.
Training and testing accuracies for bagging SVM with different number of features.
Table 10.
Elements of confusion matrix for SVM and bagging SVM.
Fig 3.
Precision-Recall Curves for (a) SVM with 6 features (b) bagging SVM with 5 features.
Table 11.
Accuracies for LR and bagging LR.
Table 12.
Elements of confusion matrix for LR and bagging LR.
Table 13.
Comparison of SVM, LR, bagging SVM and bagging LR.
Fig 4.
Precision-Recall Curves for (a) LR with 5 features (b) bagging LR with 5 features.
Fig 5.
ROC curves with 5 features for SVM, LR, bagging SVM and bagging LR.
Table 14.
Performance results of bagging SVM using cross validation.
Table 15.
Comparison of the proposed work with previous work.