Continuous-Spectrum Infrared Illuminator for Camera-PPG in Darkness

Volume: 20, Issue: 11, Pages: 3044 - 3044
Published: May 27, 2020
Abstract
Many camera-based remote photoplethysmography (PPG) applications require sensing in near infrared (NIR). The performance of PPG systems benefits from multi-wavelength processing. The illumination source in such system is explored in this paper. We demonstrate that multiple narrow-band LEDs have inferior color homogeneity compared to broadband light sources. Therefore, we consider the broadband option based on phosphor material excited by LEDs. A...
Paper Details
Title
Continuous-Spectrum Infrared Illuminator for Camera-PPG in Darkness
Published Date
May 27, 2020
Journal
Volume
20
Issue
11
Pages
3044 - 3044
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