Fast estimation of weak bio-signals using novel algorithms...

Details Fast estimation of weak bio-signals using novel algorithms... Fast estimation of weak bio-signals using novel algorithms...

H - Electricity

04

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H04B 15/00 (2006.01) G01L 21/02 (2006.01) G10L 21/02 (2006.01) H03G 5/00 (2006.01) G10L 21/00 (2006.01)

Patent

CA 2480798

A method and apparatus for de-noising weak bio-signals having a relatively low signal to noise ratio utilizes an iterative process of de-noising a data set comprised of a new set of frames. The method separately performs a non-linear de-noising operation on each of the component frames and combines the resultant de-noised frames to form a combined resultant de-noised input signal. The method is preferably carried out in a digital processor.

L'invention concerne un procédé et un appareil permettant le débruitage de signaux biologiques faibles présentant un rapport signal sur bruit relativement faible. Lesdits procédé et appareil mettent en oeuvre un processus itératif de débruitage d'un ensemble de données constitué d'un nouvel ensemble de trames. Ce procédé exécute séparément une opération de débruitage non linéaire sur chaque trame de composant, et combine les trames débruitées résultantes pour former un signal d'entrée débruité résultant. Le procédé selon l'invention est mis en oeuvre de préférence dans un processeur numérique.

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