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PASSIVE ARRHYTHMIAS DETECTION BASED ON PHOTOPLETHYSMOGRAM (PPG) INTER-BEAT INTERVALS AND MORPHOLOGY
PASSIVE ARRHYTHMIAS DETECTION BASED ON PHOTOPLETHYSMOGRAM (PPG) INTER-BEAT INTERVALS AND MORPHOLOGY
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机译:基于心律失常间隔和形态学的被动性心律失常检测
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摘要
A method for event detection in a user-wearable device includes receiving, from a first sensor implemented in the user-wearable device, photoplethysmogram (PPG) signals; processing, at a processor, the PPG signals to obtain PPG signal samples; detecting, at the processor, beats in the PPG signal samples; dividing the PPG signal samples into PPG signal segments; extracting at least one inter-beat interval (IBI) feature in each PPG signal segment; classifying, at the processor, each PPG signal segment using the extracted IBI feature associated with the PPG signal segment and using a machine learning model; in response to the classifying, generating, at the processor, an event prediction result for the PPG signal segment based on the extracted IBI feature; and displaying the event prediction result at the user-wearable device. In another embodiment, the method further includes extracting morphology based features.
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