IEEE J Biomed Health Inform - Separating arterial and venous-related components of photoplethysmographic signals for accurate extraction of oxygen saturation and respiratory rate.

Tópicos

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Resumo

We propose an algorithm for separating arterial and venous-related signals using second-order statistics of red and infrared signals in a blind source separation technique. The separated arterial signal is used to compute accurate arterial oxygen saturation. We have also introduced an algorithm for extracting the respiratory pattern from the extracted venous-related signal. In addition to real-time monitoring, respiratory rate is also extracted. Our experimental results from multiple subjects show that the proposed separation technique is extremely useful for extracting accurate arterial oxygen saturation and respiratory rate. Specifically, the breathing rate is extracted with average root mean square deviation of 1.89 and average mean difference of -0.69.

Resumo Limpo

propos algorithm separ arteri venousrel signal use secondord statist red infrar signal blind sourc separ techniqu separ arteri signal use comput accur arteri oxygen satur also introduc algorithm extract respiratori pattern extract venousrel signal addit realtim monitor respiratori rate also extract experiment result multipl subject show propos separ techniqu extrem use extract accur arteri oxygen satur respiratori rate specif breath rate extract averag root mean squar deviat averag mean differ

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