Noncontact respiratory monitoring during sleep: comparison of the touchless flow signal with respiratory inductance plethysmography flow (RIP_flow) signal to assess respiratory events.

Дата публикации: 27-08-2026 00:00:00

Study objectivesA nonintrusive sleep monitoring technology based on the data from a commercially available depth sensing camera has been utilized for respiratory monitoring and shown to have good performance in assessing respiratory rates across a range of rates. This noncontact or touchless, technology allows continuous respiratory monitoring without attaching probes to the patient. We have noticed a strikingly similar morphology between the noncontact flow signal (NCMflow) and the flow signal derived using the chest and abdomen respiratory inductance plethysmography (RIPflow) bands. Here we report on a quantitative assessment of the morphological similarity between the two signals for a cohort of patients undergoing polysomnography.MethodsWe collected depth data from 25 sleep patients undergoing attended polysomnography. Correlation and mutual trending were assessed between the NCMflow and RIPflow signals in...

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