Research Article

Automatic Assessment of Mitral Regurgitation Severity Using the Mask R-CNN Algorithm with Color Doppler Echocardiography Images

Figure 7

The confusion matrix of classification results and grading results of MR. The abscissa axis is the reference results obtained through the 2017 ASE guidelines, and the ordinate axis represents the results of this research model. Unrecognized means that the model cannot recognize this MR.