高保真 rPPG 波形重建从手掌视频使用GANs
Tao Li1,2, Yuliang Liu1,2
1Optoelectronic System Laboratory, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China.
Sensors (Basel, Switzerland)
|January 28, 2026
概括
这项研究引入了一个新的数据集和一个生成对抗网络 (GAN) 框架,用于高保真远程光电系统学 (rPPG) 波形重建. 这种方法可以提高rPPG信号的准确性,以便在更好的健康监测应用中使用.
科学领域:
- 生物医学工程 生物医学工程
- 信号处理 信号处理
- 计算机视觉 计算机视觉
背景情况:
- 远程光电显微镜 (rPPG) 便于使用摄像头进行非接触式生理监测.
- 现有的rPPG研究往往优先考虑比波形重建的度量估计.
- 目前使用指尖PPG标签的数据集限制了面部rPPG波形的准确性.
研究的目的:
- 开发一种可靠的方法来重建高保真 rPPG 波形.
- 解决 rPPG 波形生成中现有数据集和模型的局限性.
- 建立一个可靠的基础,使用rPPG.使用先进的生理信号分析的可靠基础.
主要方法:
- 收集了一个新的数据集,将手掌区域的视频与基于手腕的PPG信号配对起来.
- 提出了一个基于生成对抗网络 (GAN) 的脉冲波合成框架.
- 集成的时间域峰值感知损失,频域损失,和对抗性损失的denoising.
主要成果:
- 在RMSE值0.102和MAPE值0.028.028的情况下,取得了有前途的表现.
- 通过0.987的皮尔森相关性和0.989.98的共弦相似性,证明了高信号忠实度.
- 验证了用于rPPG波形重建的新数据集和GAN框架的有效性.
结论:
- 提出的方法成功地重建了高保真性rPPG波形,并提高了形态准确度.
- 新的数据集和GAN框架为基于rPPG的健康应用提供了可靠的基础.
- 这项工作推进了rPPG波形重建,使得更准确的生理信号分析成为可能.
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