Fig. 4
From: KNN algorithm for accurate identification of IFP lesions in the knee joint: a multimodal MRI study

Classification Performance of the KNN Model in Infrapatellar Fat Pad Injury Classification of the Knee Joint. Note: (A) Confusion matrix of the model on the test set, showing classification accuracy and error distribution among different categories (traumatic, degenerative, and normal). (B) Multiclass ROC curves of the KNN model along with the corresponding AUC values.