Table 1.

Overview of large public 12-lead ECG datasets.

Name	# ECG	Length (seconds)	Standard	# Classes	# Patient	Single-source
CPSC database14,15	10330	6∼60	—	23	10330	N
INCART database8	74	1800	—	10	32	Y
PTB-XL dataset10,11	21837	10	SCP-ECG16	71	18885	Y
Georgia database15	10344	10	SNOMED-CT17	24	10344	N
Shaoxing People’s Hospital dataset12,13	10646	10	—	11	10646	Y
SPH dataset (this work)18	25770	10∼60	AHA19	44	24666	Y