Table 2 Details of knowledge description feature.

From: A knowledge embedded multimodal pseudo-siamese model for atrial fibrillation detection

Morphology feature

Entropy

SQI

Signal statistic

Heart rate feature

Media values of R-R interval, S-S interval, Q-Q interval

Mean values of R-R interval, S-S interval, Q-Q interval

Fuzzy entropy

Sample entropy

Approximate entropy

aSQI, kSQI,

pSQI, basSQI,

cSQI, qSQI

Max,min,

Mean,variance

PNN50, RMSSD