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Literature DB >> 26417504

Non-contact measurement of oxygen saturation with an RGB camera.

Alessandro R Guazzi¹, Mauricio Villarroel¹, João Jorge¹, Jonathan Daly¹, Matthew C Frise², Peter A Robbins², Lionel Tarassenko¹.

Abstract

A novel method (Sophia) is presented to track oxygen saturation changes in a controlled environment using an RGB camera placed approximately 1.5 m away from the subject. The method is evaluated on five healthy volunteers (Fitzpatrick skin phenotypes II, III, and IV) whose oxygen saturations were varied between 80% and 100% in a purpose-built chamber over 40 minutes each. The method carefully selects regions of interest (ROI) in the camera image by calculating signal-to-noise ratios for each ROI. This allows it to track changes in oxygen saturation accurately with respect to a conventional pulse oximeter (median coefficient of determination, 0.85).

Entities: Chemical

Keywords: (170.0110) Imaging systems; (170.0170) Medical optics and biotechnology; (170.1460) Blood gas monitoring; (170.1470) Blood or tissue constituent monitoring; (170.3660) Light propagation in tissues; (280.0280) Remote sensing and sensors

Year: 2015 PMID： 26417504 PMCID： PMC4574660 DOI： 10.1364/BOE.6.003320

Source DB: PubMed Journal: Biomed Opt Express ISSN： 2156-7085 Impact factor: 3.732

22 in total

1. Contactless multiple wavelength photoplethysmographic imaging: a first step toward "SpO2 camera" technology.

Authors: F P Wieringa; F Mastik; A F W van der Steen
Journal: Ann Biomed Eng Date: 2005-08 Impact factor: 3.934

Review 2. Photoplethysmography and its application in clinical physiological measurement.

Authors: John Allen
Journal: Physiol Meas Date: 2007-02-20 Impact factor: 2.833

3. Takuo Aoyagi: discovery of pulse oximetry.

Authors: John W Severinghaus
Journal: Anesth Analg Date: 2007-12 Impact factor: 5.108

4. Visualizing of skin chromophore concentrations by use of RGB images.

Authors: Izumi Nishidate; Kiyohiro Sasaoka; Testuya Yuasa; Kyuichi Niizeki; Takaaki Maeda; Yoshihisa Aizu
Journal: Opt Lett Date: 2008-10-01 Impact factor: 3.776

5. DistancePPG: Robust non-contact vital signs monitoring using a camera.

Authors: Mayank Kumar; Ashok Veeraraghavan; Ashutosh Sabharwal
Journal: Biomed Opt Express Date: 2015-04-06 Impact factor: 3.732

6. Variations in optical absorption spectra of adult and fetal hemoglobins and its effect on pulse oximetry.

Authors: Y Mendelson; J C Kent
Journal: IEEE Trans Biomed Eng Date: 1989-08 Impact factor: 4.538

7. Chamber for controlling end-tidal gas tensions over sustained periods in humans.

Authors: L S Howard; R A Barson; B P Howse; T R McGill; M E McIntyre; D F O'Connor; P A Robbins
Journal: J Appl Physiol (1985) Date: 1995-03

8. Non-contact estimation of heart rate and oxygen saturation using ambient light.

Authors: Ufuk Bal
Journal: Biomed Opt Express Date: 2014-12-10 Impact factor: 3.732

9. Remote plethysmographic imaging using ambient light.

Authors: Wim Verkruysse; Lars O Svaasand; J Stuart Nelson
Journal: Opt Express Date: 2008-12-22 Impact factor: 3.894

10. Continuous, noninvasive, and localized microvascular tissue oximetry using visible light spectroscopy.

Authors: David A Benaron; Ilian H Parachikov; Shai Friedland; Roy Soetikno; John Brock-Utne; Peter J A van der Starre; Camran Nezhat; Martha K Terris; Peter G Maxim; Jeffrey J L Carson; Mahmood K Razavi; Hayes B Gladstone; Edgar F Fincher; Christopher P Hsu; F Landon Clark; Wai-Fung Cheong; Joshua L Duckworth; David K Stevenson
Journal: Anesthesiology Date: 2004-06 Impact factor: 7.892

18 in total

Non-contact measurement of oxygen saturation with an RGB camera.

1. Contactless multiple wavelength photoplethysmographic imaging: a first step toward "SpO2 camera" technology.

Review 2. Photoplethysmography and its application in clinical physiological measurement.

3. Takuo Aoyagi: discovery of pulse oximetry.

4. Visualizing of skin chromophore concentrations by use of RGB images.

5. DistancePPG: Robust non-contact vital signs monitoring using a camera.

6. Variations in optical absorption spectra of adult and fetal hemoglobins and its effect on pulse oximetry.

7. Chamber for controlling end-tidal gas tensions over sustained periods in humans.

8. Non-contact estimation of heart rate and oxygen saturation using ambient light.

9. Remote plethysmographic imaging using ambient light.

10. Continuous, noninvasive, and localized microvascular tissue oximetry using visible light spectroscopy.

1. Skin inhomogeneity as a source of error in remote PPG-imaging.

2. Analysis of CNN-based remote-PPG to understand limitations and sensitivities.

3. Novel health monitoring method using an RGB camera.

Review 4. Advancements in Methods and Camera-Based Sensors for the Quantification of Respiration.

5. New principle for measuring arterial blood oxygenation, enabling motion-robust remote monitoring.

6. Unobtrusive Vital Sign Monitoring in Automotive Environments-A Review.

Review 7. Unobtrusive Health Monitoring in Private Spaces: The Smart Vehicle.

8. Calibration of Contactless Pulse Oximetry.

9. Camera-based photoplethysmography in an intraoperative setting.

Review 10. Wearable Skin Sensors and Their Challenges: A Review of Transdermal, Optical, and Mechanical Sensors.