Abstract
A CMOS camera-based imaging photoplethysmographic (PPGI) system is described to detect the blood pulsations in tissue. Attention of PPGI is drawn to the potential applications in visualized blood perfusion. Intensity variations of three wavelengths (620 nm, 520 nm and 432 nm) were detected and analyzed in each pixel of image. To obtain a twodimensional mapping of the dermal perfusion measurement, custom image-processing software has been developed. The high-resolution PPGI images were derived from human fingers (transmission mode) and face (reflection mode), evaluated at three wavelengths. The newly developed system can be usable in skin blood perfusion monitoring for clinical applications.
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© 2010 International Federation for Medical and Biological Engineering
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Rubins, U., Erts, R., Nikiforovs, V. (2010). The blood perfusion mapping in the human skin by photoplethysmography imaging. In: Bamidis, P.D., Pallikarakis, N. (eds) XII Mediterranean Conference on Medical and Biological Engineering and Computing 2010. IFMBE Proceedings, vol 29. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-13039-7_76
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DOI: https://doi.org/10.1007/978-3-642-13039-7_76
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-13038-0
Online ISBN: 978-3-642-13039-7
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