Modified RGB Cameras for Infrared Remote-PPG

Wenjin Wang (Corresponding author), A.C. (Bert) den Brinker

Research output: Contribution to journalArticleAcademicpeer-review

4 Citations (Scopus)
338 Downloads (Pure)

Abstract

Multi-wavelength cameras play an essential role in remote photoplethysmography (PPG). Whereas these are readily available for visible light, this is not the case for near infrared (NIR). We propose to modify existing RGB cameras to make them suited for NIR-PPG. In particular, we exploit the spectral leakage of the RGB channels in infrared in combination with a narrow dual-band optical filter. Such camera modification is simple, cost-effective, easy to implement, and it is shown to attain a pulse-rate extraction performance comparable to that of multiple narrow-band NIR cameras.

Original languageEnglish
Article number8993753
Pages (from-to)2893-2904
Number of pages12
JournalIEEE Transactions on Biomedical Engineering
Volume67
Issue number10
Early online date11 Feb 2020
DOIs
Publication statusPublished - Oct 2020

Keywords

  • vital signs monitoring
  • photoplethysmography
  • biomedical sensing
  • camera
  • RGB
  • near infrared
  • Vital signs monitoring

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