Near-continuous non-contact cardiac pulse monitoring in a neonatal intensive care unit in near darkness

M.J.H. van Gastel, B. Balmaekers, S. Bambang Oetomo, W. Verkruijsse

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

5 Citations (Scopus)
2 Downloads (Pure)

Abstract

Currently, the cardiac activity of infants in the Neonatal Intensive Care Unit (NICU) is monitored with contact sensors. These techniques can cause injuries and infections, particularly in very premature infants with fragile skin. Recently, remote photoplethysmography (rPPG) showed its potential to measure cardiac activity with a camera without skin contact. The main limitations of this technique are its lack of robustness to subject motion and visible light requirements. The aim of this study is to investigate the feasibility of robust rPPG for NICU patients in near darkness. Video recordings using dedicated infrared illumination were made of 7 infants, age 30-33 weeks, at a NICU in Eindhoven, The Netherlands. The pulse rate can be detected with an average error of 1.5 BPM and 2.1 BPM when measured at the face and upper torso region, respectively. Overall, the correct pulse rate is detected for 87% of the time. A camera-based framework for robust pulse extraction in near darkness of NICU patients was proposed and successfully validated. The pulse rate could be reliably detected from all evaluated skin regions. Recordings with vigorous body movements, involving occlusion of the selected skin region, are still a challenge.

Original languageEnglish
Title of host publicationOptical Diagnostics and Sensing XVIII
Subtitle of host publicationToward Point-of-Care Diagnostics
Place of PublicationBellingham
PublisherSPIE
Pages1-9
Volume10501
ISBN (Electronic)9781510614871
ISBN (Print)978-1-5106-1487-1
DOIs
Publication statusPublished - 1 Jan 2018
EventOptical Diagnostics and Sensing XVIII: Toward Point-of-Care Diagnostics - San Francisco, United States
Duration: 29 Jan 201830 Jan 2018

Publication series

NameProceedings of SPIE
Volume10501

Conference

ConferenceOptical Diagnostics and Sensing XVIII: Toward Point-of-Care Diagnostics
CountryUnited States
CitySan Francisco
Period29/01/1830/01/18

Keywords

  • Infrared
  • NICU
  • Remote sensing
  • infrared

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