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19 July 2019 Remote photoplethysmography for skin perfusion monitoring using narrowband illumination
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Abstract
The purpose of this study was to determine potential of remote photoplethysmography for skin perfusion monitoring, using 540 nm narrowband and 530 nm broadband illuminations. The alterations of cutaneous circulation were produced by topical skin heating protocol. The setup comprises of 530 nm LED light source and two identical cameras operated simultaneously: one equipped with narrowband optical filter (CWL=540nm), and another without filter. Results demonstrate the typical heating test response curve- comprising first peak, nadir and plato phase, which were significantly different in narrowband and broadband illumination. It was concluded that selection of optimal light source parameters is crucially important for registering of physiological responses using rPPG, and therefore require more extensive studies.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Z. Marcinkevics, U. Rubins, A. Aglinska, A. Caica, and A. Grabovskis "Remote photoplethysmography for skin perfusion monitoring using narrowband illumination", Proc. SPIE 11073, Clinical and Preclinical Optical Diagnostics II, 110730D (19 July 2019); https://doi.org/10.1117/12.2527221
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