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PROCÉDÉ ET DISPOSITIF DE DÉTECTION D'UN STRESS À L'AIDE DE CARACTÉRISTIQUES ECG DE BATTEMENT À BATTEMENT
PROCÉDÉ ET DISPOSITIF DE DÉTECTION D'UN STRESS À L'AIDE DE CARACTÉRISTIQUES ECG DE BATTEMENT À BATTEMENT
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摘要
Method and device for calculating an indicator indicative of stress and device for on-line detecting stress using individual heart beat ECG features of data acquired from a subject, comprising: obtaining a data sample of each heart beat individually from the acquired data; calculating the fiducial features from each said data sample; classifying each data sample as indicative of stressed or not-stressed, using a pretrained classifier which was previously trained using the same fiducial heart beat features from previously acquired reference data samples from individual heart beats, determining an indication of stress as detected when at least one data sample is classified as stressed. Stress can be determined as detected when one data sample is classified as stressed over a time duration of: only one heart beat and the RR distance between said one heart beat and the previous heart beat.
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