[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.5370/JEET.2018.13.3.1371

Optimal ROI Determination for Obtaining PPG Signals from a Camera on a Smartphone

Lee, Keonsoo (Dept. of Medical IT Engineering, Soonchunhyang University)
Nam, Yunyoung (Dept. of Computer Science and Engineering, Soonchunhyang University)

Publication Information

Journal of Electrical Engineering and Technology / v.13, no.3, 2018 , pp. 1371-1376 More about this Journal

Abstract

Photoplethysmography (PPG) is a convenient method for monitoring a heart rhythm. In addition to specialized devices, smartphones can be used to obtain PPG signals. However, as smartphones are not intended for this purpose, optimization is required to efficiently obtain PPG signals. Determining the optimal region of interest (ROI) is one such optimization method. There are two significant advantages in employing an optimized ROI. One is that the computing load is decreased by reducing the image size used to extract the PPG signal. The other is that stronger and more reliable PPG signals are obtained by removing noisy regions. In this paper, we propose an optimal ROI determination method by recursively splitting regions to locate the region that produces the strongest PPG signal.

Keywords

Photoplethysmography; Region-of-interest; Optimal method; Smartphone;

Citations & Related Records

Times Cited By KSCI : 1 (Citation Analysis)

Reference
Cited By KSCI

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