SYSTEMS AND METHODS FOR DETERMINING RESPIRATION INFORMATION BASED ON PRINCIPAL COMPONENT ANALYSIS

摘要

A patient monitoring system may receive a physiological signal such as a photoplethysmograph (PPG) signal. A plurality of respiration morphology signals may be determined from the PPG signal. Principal component analysis may be performed on the respiration morphology signals, resulting in one or more principal components. Respiration information such as respiration rate may be determined at least in part from a principal component that corresponds to a respiration source signal.

主权项

1. A method comprising:
receiving a photoplethysmograph (PPG) signal; processing, with processing equipment, the PPG signal to generate a plurality of respiration morphology signals; performing, with the processing equipment, principal component analysis on the plurality of respiration morphology signals to generate one or more principal components; identifying, with the processing equipment, a principal component of the one or more principal components that corresponds to a respiration source signal; and determining, with the processing equipment, respiration information based at least in part on the identified principal component.