Fig. 6From: Machine learning techniques for computer-aided classification of active inflammatory sacroiliitis in magnetic resonance imagingSpecificity obtained with different numbers of features for the various classifiers studied to classify negative and positive active inflammatory sacroiliitis on MRI using the training dataset. SVM = Support Vector Machine; MLP = Multilayer Perceptron; Instance-Based Algorithm (IBA) derived from k-nearest neighbors (IBk) (k = 1, k = 3, k = 5)Back to article page