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Dual-Band Infrared Video-Based Measurement Using Pulse Wave Maps to Analyze Heart Rate Variability

机译:基于双频红外视频的脉冲波形图测量,可分析心率变异性

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摘要

Remote photoplethysmography (rPPG) enables us to capture the vital signs such as pulse rate, respiratory rate, oxygen saturation, and even heart rate variability (HRV) without any contact devises. Although the papers of rPPG mainly focus on the use of standard RGBcamera, it cannot used for the cases in night or under the dim light conditions. Therefore, in this paper, we propose a novel noncontact method for monitoring HRV without visible lighting. The proposed method uses dual-band infrared videos to ensure robustness to fluctuations in illumination.The hemoglobin component is extracted via a simple projection from the dual-band pixel values in logarithmic space. We demonstrate the accurate extraction of pulse wave signals using pulse wave maps. As the results, we indicated the effectiveness of HRV monitoring in the situation under thedim light condition.
机译:远程光体积描记法(rPPG)使我们无需任何接触即可捕获生命体征,例如脉搏率,呼吸率,血氧饱和度,甚至心率变异性(HRV)。尽管rPPG的论文主要集中在标准RGB相机的使用上,但它不能用于夜晚或昏暗条件下的情况。因此,在本文中,我们提出了一种新颖的非接触式方法来监测无可见光的HRV。所提出的方法使用双波段红外视频来确保对照明波动的鲁棒性。通过对数空间中双波段像素值的简单投影来提取血红蛋白成分。我们演示了使用脉搏波图准确提取脉搏波信号。结果表明,在昏暗的灯光条件下,HRV监测的有效性。

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