1. Non-contact Breathing Activity Monitoring
Shane Transue and Min-Hyung Choi
University of Colorado Denver - Comcast Center
Department of Computer Science and Engineering

2. Comcast Media and Technology Center
Exemplary work in media and technology
Solving real-world problems, contribute to society
Students are trained by research driven education
Prepared to become next generation of pioneers in engineering, art, and science

3. Current Focus: Respiratory Monitoring
Infants + Young Children
Abnormal breathing | Asthma | Pediatric obstructive sleep apnea
1.) important, large number of people
2.) Detection hard => treatment hard
3.) Parents assume a good night sleep
4.) Difficult to constantly monitor

4. 1.) Example of obstructed breathing
2.) to the point where he cannot breathe
3.) not only a hard time breathing => sleep quality

5. Polysomnography is invasive, cumbersome
1.) state of the art wired solutions
2.) sensors that monitor:
muscle movements
respiration
eye movements
heart rate

6. (CPAP) / Spirometer devices
1.) modifies natural behavior
2.) how can we identify abnormal behaviors?

7. What is the solution?
1.) remove wires
2.) allow natural breathing

8. Non-contact Monitoring
What is the solution?
Wire-Free
Non-contact Monitoring

9. Non-contact Respiratory Monitoring
Inhale
Exhale
Difference
1.) first step => tidal volume
2.) volumetric model – represents chest movements
3.) difference in inhale-exhale states => tidal volume

10. 1.) me using the system for real-time tidal volume monitoring
2.) effective for tidal volume
3.) other factor such as obstruction
4.) Next step => exhale

11. Making Invisible - Visible
1.) standard thermal imaging
2.) rapid dissipation
3.) ineffective for exhale visualization
4.) Teamed up with FLIR

12. Making Invisible - Visible
1.) Detect CO2 molecule …. based on wavelength …
2.) Both nose and mouth

13. 1.) Normal breathing behaviors
2.) Long term study especially for children

14. 3D Density Models 1.) (not only) Tidal volume 2.) C02 concentration
3.) Lung efficiency & obstructed breathing

15. Challenges Movement? 1.) head turning - posture
2.) Camera position / orientation

16. 1.) Body movement
2.) Redirect camera

17. Challenges What about blankets?
To position the camera at the optimal position and orientation, we need to analyze the entire body posture.
But we can reasonably expect that they are under the blanket, partially or pretty much entirely except the front face area.

18. Solution: 3D Thermal Imaging
Thermal Surface
Thermal Volume
3D Posture
3D Image

19. Research Partners | Funding
Collaboration between
National Science Foundation