Impact of blood volume on the diffuse reflectance spectra of human skin in visible and NIR spectral ranges
Zherebtsov, Evgeny; Doronin, Alexander; Bykov, Alexander; Popov, Alexey; Meglinski, Igor (2017-03-30)
Evgeny Zherebtsov, Alexander Bykov, Alexey Popov, Alexander Doronin, and Igor Meglinski "Impact of blood volume changes within the human skin on the diffuse reflectance measurements in visible and NIR spectral ranges", Proc. SPIE 10063, Dynamics and Fluctuations in Biomedical Photonics XIV, 1006312 (30 March 2017); doi: 10.1117/12.2250855; https://doi.org/10.1117/12.2250855
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this publication for a fee or for commercial purposes, and modification of the contents of the publication are prohibited.
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https://urn.fi/URN:NBN:fi-fe2019042513195
Tiivistelmä
Abstract
We consider changes in the volume of blood and oxygen saturation caused by a pulse wave and their influence on the diffuse reflectance spectra in the visible/NIR spectral range. CUDA-based Monte-Carlo model was used for routine simulation of detector depth sensitivity (sampling volume) and skin spectra, and their variations associated with physiological changes in the human skin. The results presented in the form of animated graphs of sampling volume changes for scaling of the parameters of the main human skin layers related to the results of experimental measurements are of particular interest for pulse oximetry, photoplethysmography, Doppler flowmetry, reflectance spectroscopy.
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