A Study on Region of Interest in Remote PPG and an Attempt to Eliminate False Positive Results Using SVM Classification

Hiroki Takeuchi, M. Ohsuga, Y. Kamakura
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Abstract

Remote-photoplethysmography (rPPG) is a technique for measuring pulse waves without burdening the person using a remotely installed camera. The pulse waves are estimated by capturing minute color changes in the skin area. From the pulse rate and pulse rate variability metrics estimated from the pulse wave, it is possible to estimate a person's arousal state and emotional response. In this study, the most suitable skin area to accurately detect the pulse using rPPG is verified. The authors also propose a method to automatically remove and correct incorrect pulse detection by introducing machine learning based on the features of the pulse wave waveform obtained from rPPG and demonstrated its effectiveness.
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基于支持向量机分类的远程PPG感兴趣区域研究及误报排除
远程光电脉搏波描记术(rPPG)是一种无需使用远程安装的相机来测量脉搏波的技术。脉冲波是通过捕捉皮肤区域的细微颜色变化来估计的。从脉搏波估计的脉搏率和脉搏变异性指标,可以估计一个人的唤醒状态和情绪反应。在本研究中,验证了使用rPPG准确检测脉冲的最合适皮肤区域。作者还提出了一种基于rPPG获得的脉冲波形特征,引入机器学习来自动去除和纠正错误脉冲检测的方法,并证明了其有效性。
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