Chen-Xi LI, Fang-Fang SI, Bo-Nan LIU, Bi-Xuan YAN, Rong LIU, Wen-Liang CHEN, Feng GAO. In vivo respiration monitoring based on infrared thermal imaging [J]. Journal of Infrared and Millimeter Waves, 2020, 39(6): 796
- Journal of Infrared and Millimeter Waves
- Vol. 39, Issue 6, 796 (2020)
Fig. 1. 是The main steps for respiration monitoring with infrared thermal imaging
Fig. 2. IR thermography for monitoring respiration （a） the features of nostril with exhalation, （c） the features of nostril with inhalation
Fig. 3. Illustration of respiration signal of subject in normal and second-hand smoke environment （a） time series respiration signal, （b） the frequency spectrum of respiration signal
Fig. 4. Comparison of respiratory signals’ sample entropy with subject in normal and second-hand smoke environments
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