A method and apparatus for the application of Blind Source Separation (BSS), specifically independent Component Analysis (ICA) to mixture signals obtained by a pulse oximeter sensor. In pulse oximetry, the signals measured at different wavelengths represent the mixture signals, while the plethysmographic...http://www.google.fr/patents/US6701170?utm_source=gb-gplus-shareBrevet US6701170 - Blind source separation of pulse oximetry signals
