Atrial Fibrillation Detection with Low Signal-to-Noise Ratio Data Using Artificial Features and Abstract Features

Table 1

Details of the CinC 2017 database.

Category	Recording	Training set	Test set	Sampling frequency (Hz)	Uniform length (s)
N	5076	4101	975	300	30
A	758	619	139
O	2415	1916	499
∼	279	208	71