Journal of Korea Multimedia Society (한국멀티미디어학회논문지)

Korea Multimedia Society (한국멀티미디어학회)
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Respiration Rate Measurement based on Motion Compensation using Infrared Camera

열화상 카메라를 이용한 움직임 보정 기반 호흡 수 계산

  • Kwon, Jun Hwan (Dept. of Medical Engineering, Yonsei University College of Medicine) ;
  • Shin, Cheung Soo (Dept. of Anesthesiology and Pain Medicine, Yonsei University College of Medicine) ;
  • Kim, Jeongmin (Dept. of Anesthesiology and Pain Medicine, Yonsei University College of Medicine) ;
  • Oh, Kyeong Taek (Dept. of Medical Engineering, Yonsei University College of Medicine) ;
  • Yoo, Sun Kook (Dept. of Medical Engineering, Yonsei University College of Medicine)
  • Received : 2018.03.14
  • Accepted : 2018.08.01
  • Published : 2018.09.30
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Abstract

Respiration is the process of moving air into and out of the lung. Respiration changes the temperature in the chamber while exchanging energy. Especially the temperature of the face. Respiration monitoring using an infrared camera measures the temperature change caused by breathing. The conventional method assumes that motion is not considered and measures respiration. These assumptions can not accurately measure the respiration rate when breathing moves. In addition, the respiration rate measurement is performed by counting the number of peaks of the breathing waveform by displaying the position of the peak in a specific window, and there is a disadvantage that the breathing rate can not be measured accurately. In this paper, we use KLT tracking and block matching to calibrate limited weak movements during breathing and extract respiration waveform. In order to increase the accuracy of the respiration rate, the position of the peak used in the breath calculation is calculated by converting from a single point to a high resolution. Through this process, the respiration signal could be extracted even in weak motion, and the respiration rate could be measured robustly even in various time windows.

Keywords

References

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