Engineers have designed a way to accurately measure blood pressure with no physical contact using a camera and artificial intelligence.
have designed a way to measure blood pressure with no physical contact using a camera and artificial intelligence .
The researchers believe that the method can replace existing methods for measuring systolic and diastolic pressure that use a “cumbersome” strap and inflatable cuff wrapped around a patient’s arm or wrist., involves filming a person from a “short distance” for 10 seconds with a consumer-grade camera and extracting cardiac signals from two regions of the forehead using AI algorithms.
This method was derived from a demonstration first shown in 2017 when a University of South Australia and Iraqi research team were able to extract a human’s heart rate from a drone video. Since then, researchers have been able to develop mutliple algorithms to measure vital signs at a distance, including breathing rates from a distance of up to 50 meters, oxygen saturation, and temperature.
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