Photoplethysmography (PPG) signal is a novel biometric trait related to the identity of people; many time- and frequency-domain methods for PPG recognition have been proposed. However, existing domain only consider single or feature-level fusion time frequency domains, without considering exploration correlations domains. The authors propose time–frequency method with collective matrix factoris...

Abstract Photoplethysmography signal (PPG) provides information about the cardiovascular, respiratory, or nervous system activity. Recent studies proposed methods of apnea identification from PPG using amplitude baseline modulation, area under curve. We hypothesized that analysis dicrotic notch could improve sensitivity and specificity detection. applied four to detect records experimentally ob...