Multi-wavelength photoplethysmography method for skin arterial pulse extraction
نویسندگان
چکیده
منابع مشابه
Assessment of Photoplethysmography Method in Extraction of Hemoglobin Concentration
Background: The importance of continuous monitoring along with rapid and accurate notification of changes in blood components such as hemoglobin concentration, especially in acute situations, encourages researchers to use non-invasive methods for measuring.Objective: This study was aimed to investigate the correlation between hemoglobin concentration and photoplethysmogram (PPG) and the p...
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Background and objectives: The importance of continuous monitoring and rapid and accurate informing of changes in blood components (e.g., percentage of hematocrit [HCT]), especially in acute conditions, has motivated researchers to use non-invasive measurement methods. Therefore, this study aimed to evaluate the association between blood HCT and photoplethysmographic signal and the possibility ...
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Pulse oximetry measures the relative concentration of arterial oxygenated hemoglobin and reduced hemoglobin. This paper presents the design of a pulse oximeter, which measures the presence of a third substance, carboxyhemoglobin (HbCO), by unfiltered LEDs at 660 nm, 810 nm, and 940 nm. Background information is given on the theory of pulse oximetry. Theoretical approximations and calculations w...
متن کاملathree-wavelength pulse oximeter for carboxyhemoglobin determination
pulse oximetry measures the relative concentration of arterial oxygenated hemoglobin and reduced hemoglobin. this paper presents the design of a pulse oximeter, which measures the presence of a third substance, carboxyhemoglobin (hbco), by unfiltered leds at 660 nm, 810 nm, and 940 nm. background information is given on the theory of pulse oximetry. theoretical approximations and calculations w...
متن کاملNoncontact simultaneous dual wavelength photoplethysmography: a further step toward noncontact pulse oximetry.
We present a camera-based device capable of capturing two photoplethysmographic (PPG) signals at two different wavelengths simultaneously, in a remote noncontact manner. The system comprises a complementary metal-oxide semiconductor camera and dual wavelength array of light emitting diodes (760 and 880 nm). By alternately illuminating a region of tissue with each wavelength of light, and detect...
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ژورنال
عنوان ژورنال: Biomedical Optics Express
سال: 2016
ISSN: 2156-7085,2156-7085
DOI: 10.1364/boe.7.004313