SYSTEM AND METHOD FOR BLOOD PRESSURE ESTIMATE BASED ON PTT FROM THE FACE
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United States of America
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Mar 13, 2025
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Jul 18, 2022
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Jul 18, 2022
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Abstract
A new system and method is provided for blood pressure measurements that use an accuracy-improved pulse rate detection, which includes determining PTT (pulse transit time). Various aspects contribute to the greater accuracy, including but not limited to pre-processing of the camera output/input, extracting the pulsatile signal from the preprocessed camera signals, followed by post-filtering of the pulsatile signal. This improved information is then used for accurate BP determination, which is not possible with inaccurate methods for optical pulse rate detection.
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