Research Article

Heartbeat Classification Using Normalized RR Intervals and Morphological Features

Table 1

Summary of heartbeat types and numbers for the training and testing datasets.

DatasetHeartbeat classesTotal
NSV

Imbalanced training45,8249433,78750,554
Imbalanced testing44,2181,8363,21949,273
Balanced testing1,0001,0001,0003,000

Class N: normal beats; Class S: supraventricular ectopic beats; Class V: ventricular ectopic beats.