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19 July 2019 Remote photoplethysmography for assessment of oral mucosa
U. Rubins, Z. Marcinkevics, R. A. Muckle, I. Henkuzena, A. Roze, A. Grabovskis
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Proceedings Volume 11073, Clinical and Preclinical Optical Diagnostics II; 110731F (2019) https://doi.org/10.1117/12.2526979
Event: European Conferences on Biomedical Optics, 2019, Munich, Germany
Abstract
The present study is devoted to the assessment of oral mucosa perfusion using remote photoplethysmography (rPPG) technique. The alterations of mucosal perfusion were evoked by regional infiltration anesthesia containing adrenaline. Simple rPPG setup comprising white LED light source, video camera and narrowband optical filter (CWL=540nm), are able to detect subtle microcirculation changes in gingiva. Results demonstrate substantial decrease of rPPG waveform amplitude and subsequently perfusion index in affected gingiva region, following administration of anesthetics. The present study emphasizes clinical advantages of remote photoplethysmography and perfusion index mapping as a simple and cost-effective technique for assessment of oral mucosa function.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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U. Rubins, Z. Marcinkevics, R. A. Muckle, I. Henkuzena, A. Roze, and A. Grabovskis "Remote photoplethysmography for assessment of oral mucosa", Proc. SPIE 11073, Clinical and Preclinical Optical Diagnostics II, 110731F (19 July 2019); https://doi.org/10.1117/12.2526979
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Cited by 2 scholarly publications.
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KEYWORDS
Photoplethysmography
Video
Cameras
Light sources
Blood
Tissue optics
Video processing
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