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Wang et al., 2021 - Google Patents

Fundamentals of camera-PPG based magnetic resonance imaging

Wang et al., 2021

Document ID
2435940528027523316
Author
Wang W
Weiss S
den Brinker A
Wuelbern J
i Tormo A
Pappous I
Sénégas J
Publication year
Publication venue
IEEE Journal of Biomedical and Health Informatics

External Links

Snippet

In Magnetic Resonance Imaging (MRI), cardiac triggering that synchronizes data acquisition with cardiac contractions is an essential technique for acquiring high-quality images. Triggering is typically based on the Electrocardiogram (ECG) signal (eg R-peak). Since ECG …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

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    • A61B5/7271Specific aspects of physiological measurement analysis
    • A61B5/7285Specific aspects of physiological measurement analysis for synchronising or triggering a physiological measurement or image acquisition with a physiological event or waveform, e.g. an ECG signal
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    • A61B5/04Detecting, measuring or recording bioelectric signals of the body of parts thereof
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    • A61B5/0452Detecting specific parameters of the electrocardiograph cycle
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    • A61B5/1455Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
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    • A61B5/024Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infra-red radiation
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