Hybrid optical imaging technology for long-term remote monitoring of skin perfusion and temperature behavior
Open accessAbstract
Photoplethysmography imaging (PPGI) and infrared thermography imaging (IRTI) are contactless camera-based measurement methods for monitoring a wide range of basic vital parameters. In particular, PPGI enhances the classical contact-based photoplethysmography. Approved evaluation algorithms of the well-established PPG method can easily be adapted for detection of heart rate, heart rate variability, respiration rate (RR), respiratory variability (RV), and vasomotional activity with PPGI. The IRTI method primarily records temperature distribution of the observed object, but information on RR and RV can also be derived from IRTI by analyzing the development of temperature distribution in the nasal region. The main advantages of both monitoring methods are unobtrusive data acquisition and the possibility of assessing spatial assignment between vital parameters and body region. Hence, these methods enable long-term monitoring or the monitoring of effects with special local characteristics. Because the two systems supplement each, a combined hybrid application is proposed and its feasibility discussed.
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From the time evolution of temperature changes in the nasal region, basic vital parameters such as RR and RV can be determined.
“From the time evolution of temperature changes in the nasal region, it is also possible to determine basic vital parameters such as RR and RV.”
From The Current State of Optical Sensors in Medical Wearables (2022) · cites this paper as [189]
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The Current State of Optical Sensors in Medical Wearables
Vavrinsky, E., Esfahani, N. E., Hausner, M., Kuzma, A., Rezo, V., Donoval, M., & Kosnacova, H. (2022) · Biosensors · doi:10.3390/bios12040217 · Cited by 103 · see citing works
- Authors
- Blanik, N., Abbas, A. K., Venema, B., Blazek, V., & Leonhardt, S.
- Affiliations
- RWTH Aachen University (DE)
- Univ. Hospital Aachen
- ORCID
- Leonhardt, Steffen
- Venue
- Journal of Biomedical Optics
- Publisher
- SPIE-Intl Soc Optical Eng
- Published
- 2014-01-17
- Volume
- 19
- Issue
- 01
- Pages
- 1-11
- ISSN
- 1083-3668 (ISSN-L)
- 1560-2281
- OpenAlex
- W2160278699
- Cited by
- 58
- References
- 21
- Citations by year
- 2026: 2 · 2025: 3 · 2024: 7 · 2023: 1 · 2022: 6 · 2021: 9 · 2020: 4 · 2019: 5 · 2018: 5 · 2017: 6 · 2016: 4 · 2015: 2 · 2014: 4
- FWCI
- 2.77
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of Biomedical Optics (publishedVersion, cc-by)
- PubMed (publishedVersion)
- RWTH Publications (RWTH Aachen) (submittedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Non-Invasive Vital Sign Monitoring
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Infrared Thermography in Medicine
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Optical Imaging and Spectroscopy Techniques
- Keywords
- imaging photoplethysmography, infrared thermography, skin blood flow, skin temperature, heart rate, heart rate variability, respiration rate, respiratory variation, vasomotion, vital signs monitoring
- MeSH terms
- Algorithms, Calibration, Equipment Design, Heart Rate, Humans, Infant Care, Infant, Newborn, Monitoring, Physiologic, Perfusion, Signal Processing, Computer-Assisted, Skin, Skin Temperature, Temperature, Thermography, Reproducibility of Results, Photoplethysmography, Telemedicine, Optics and Photonics, Respiratory Rate, Optical Imaging
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