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Multispectral, Fluorescent and Photoplethysmographic Imaging for Remote Skin Assessment
Version 1
: Received: 8 May 2017 / Approved: 8 May 2017 / Online: 8 May 2017 (12:19:30 CEST)
A peer-reviewed article of this Preprint also exists.
Spigulis, J. Multispectral, Fluorescent and Photoplethysmographic Imaging for Remote Skin Assessment. Sensors 2017, 17, 1165. Spigulis, J. Multispectral, Fluorescent and Photoplethysmographic Imaging for Remote Skin Assessment. Sensors 2017, 17, 1165.
Abstract
Optical tissue imaging has several advantages over the routine clinical imaging methods, including non-invasiveness (does not change the structure of tissues), remote operation (avoids infection) and ability to quantify the tissue condition by means of specific image parameters. Dermatologists and other skin experts need compact (preferably pocket-size), self-sustained and easy-to-use imaging devices. The operational principles and designs of ten portable in-vivo skin imaging prototypes developed at the Biophotonics Laboratory of Institute of Atomic Physics and Spectroscopy, University of Latvia during the recent five years are presented in this paper. Four groups of imaging devices are considered. Multi-spectral imagers offer possibilities for distant mapping of specific skin parameters, so facilitating better diagnostics of skin malformations. Autofluorescence intensity and photobleaching rate imagers show a promising potential for skin tumor identification and margin delineation. Photoplethysmography video-imagers ensure remote detection of cutaneous blood pulsations and can provide real-time information on cardiovascular parameters and anesthesia efficiency. Multimodal skin imagers perform several of the above-mentioned functions by taking a number of spectral and video images with the same image sensor. Design details of the developed prototypes and results of clinical tests illustrating their functionality are presented and discussed.
Keywords
multispectral skin imaging; skin autofluorescence and photobleaching; photoplethysmography imaging
Subject
Physical Sciences, Optics and Photonics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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