Chinese Journal of Lasers, Volume. 50, Issue 21, 2107202(2023)
Robust Non‑Contact Heart Rate Detection Based on Near Infrared Video
Figures & Tables(7)
Fig. 1. Flow chart of IPPG signal extraction. (a) Determination of 68 facial landmarks; (b) determination of N sub-regions of interest based on facial landmarks; (c) obtained IPPG raw signals
Fig. 5. Comparison between heart rate estimated by OP-SVD method and real heart rate
Fig. 6. Comparison of experimental results in 16 groups. (a) Bland-Altman plot obtained without de-noising; (b) Bland-Altman plot obtained by OP-SVD method; (c) correlation graph obtained without de-noising; (d) correlation plot obtained by OP-SVD method
Table 1. Comparison of experimental results among proposed OP-SVD method and different conventional methods
View tableTable 1. Comparison of experimental results among proposed OP-SVD method and different conventional methods
Method Mean absolute error/（bit/min） Root-mean-square error /（bit/min） R2 SCF 7.89 10.39 0.13 EEMD 8.57 10.42 0.3 SCICA 6.71 9.56 0.2 OP-SVD 3.14 3.80 0.79
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Lingqin Kong, Xiaoxi Wu, Liquan Dong, Yuejin Zhao, Ming Liu. Robust Non‑Contact Heart Rate Detection Based on Near Infrared Video[J]. Chinese Journal of Lasers, 2023, 50(21): 2107202
Paper Information
Category: Optical Diagnostics and Therapy
Received: May. 26, 2023
Accepted: Jul. 24, 2023
Published Online: Nov. 1, 2023
The Author Email: Liquan Dong (kylind@bit.edu.cn)
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