Chinese Optics, Volume. 15, Issue 2, 276(2022)
Non-contact perception of physiological parameters from videos of faces
Fig. 2. Comparison of IPPG source signals before and after amplification
Fig. 4. The signal of each component after PCA dimensionality reduction
Fig. 9. Schematic diagram and real diagram of the experimental acquisition device
Fig. 10. Comparison of heart rate estimation results in three scenarios
Fig. 11. Bland-Altman consistency analysis of heart rate results in three scenarios
Fig. 12. Comparison of respiratory rate estimation results in three scenarios
Fig. 13. Bland-Altman consistency analysis of respiratory rate results in three scenarios
Fig. 15. Bland-Altman consistency analysis of SpO2 results in three scenarios
Table 1. Performance comparison of various heart rate detection algorithms under natural light
View tableView in ArticleTable 1. Performance comparison of various heart rate detection algorithms under natural light
方法 |Me| (time·min−1) SDe (time·min−1) RMSE (time·min−1) Mer Cor 文献[ 6 ]1.45 1.94 2.06 1.95% 0.9278 文献[ 12 ]2.39 3.56 3.38 3.05% — 本文方法 1.78 1.77 1.98 2.54% 0.9668
Table 2. Performance comparison of various respiratory rate detection algorithms under natural light
View tableView in ArticleTable 2. Performance comparison of various respiratory rate detection algorithms under natural light
方法 Me (time·min−1) |Me| (time·min−1) SDe (time·min−1) RMSE (time/min−1) Cor 文献[ 10 ]−0.58 2.54 3.98 4.02 0.61 本文方法 0.63 1.78 1.88 1.98 0.60
Table 3. Performance comparison of SpO2 detection algorithms under natural light
View tableView in ArticleTable 3. Performance comparison of SpO2 detection algorithms under natural light
方法 Me SDe RMSE Mer 文献[ 8 ]0.043% 1.10% 2.02% 2.7% 文献[ 11 ]1.00% 1.32% 0.87% — 本文方法 −0.27% 1.05% 1.08% 0.82%
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Xiao-qiang JI, Zhen-yao LIU, Bing-lin LI, Zhi RAO, Gui-wen LI, Li-wei SU. Non-contact perception of physiological parameters from videos of faces[J]. Chinese Optics, 2022, 15(2): 276
Category: Original Article
Received: Aug. 12, 2021
Accepted: --
Published Online: Mar. 28, 2022
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