Arrhythmia Classification Algorithm Based on a Two-Dimensional Image and Modified EfficientNet

Figure 8

Some misclassified sample heartbeat maps: (a) heartbeat images misclassified as NOR instead of APC, (b) heartbeat images misclassified as APC instead of NOR, (c) heartbeat images misclassified as PVC instead of NOR, and (d) heartbeat images misclassified as NOR instead of PVC.

(a)

(b)

(c)

(d)