基于复杂动态光照面部视频高保真重建微细皮下毛细血管血液容积脉搏波
通过计算机视觉高频解算额头与颧骨皮下毛细血管床在收缩压与舒张压脉动下对绿光波段吸收率的亚皮秒级色度周期变化。
色度分解与座舱动态光影剧烈晃动解耦
将 RGB 像素通道投影至归一化正交色度子空间，彻底消除沿途公路绿化树木投射在驾驶员面部斑驳晃动光影引发的虚假心跳误判。
- Measures heart rate with ±1.5 bpm clinical accuracy without skin contact.
- Continuous pulse rate, respiratory rate, and blood oxygen estimation.
- Robust tracking across diverse skin tones adhering to the Fitzpatrick scale.
- Zero degradation under pitch-black night-time driving using 940nm infrared illumination.
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