An imaging pulse oximeter based on a multi-aperture camera

Abstract

This paper presents an imaging arterial pulse oximeter based on the acquisition of two images respectively at the peak and trough a local arterial pulse. Spectroscopic sensitive images are obtained using a multi-aperture system synchronized to a point pulse oximeter. Each acquired image consists of 16 spectroscopic images of the same field of view. By subtracting the images obtained at the peak and trough of the arterial pulse one is able to eliminate common absorbers and scatterers and ultimately focus only on the metric of interest. © 2010 Springer-Verlag.