在过去的几年中,光摄影学(PPG)的利用率有了显着的激增,这是监测心血管指标的最常用的生物信号之一。这可以归因于其在提供方便,非侵入性和连续测量中的显着潜力,例如心率(HR)[1],动脉血压(ABP)[2] [2],血液氧气饱和(SPO 2)[3]和呼吸率(RR)[4] [4]。具有上述优势,PPG传感器已成为多种应用方案中的有价值工具,并且已嵌入到各种设备中,尤其是可穿戴设备中。Diverse types of PPG devices have been designed to monitor users' health conditions, including pulse oximeters (e.g., Innovo Deluxe Fingertip pulse oximeter), smartwatches (e.g., Apple Watch Series 9), rings (e.g., Amovan Nova Ring), and even scarves (e.g., Manchester City
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