Show HN: VitalLens 2.0 – A new SOTA rPPG model for HRV estimation from video

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rPPGHRV estimationcomputer visionhealthtech

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guzik

2 months ago

1 reply

Congrats guys on your release. I tried new VitalLens side by side with my medical grade tracker (Aidmed One) but the respiration numbers were quite off.

Curious if you've done any comparisons against actual hardware (chest-based or contact PPG), or if validation is mostly dataset based for now.

prouast

2 months ago

Thanks! Curious under what circumstances the respiration was off - were you standing or sitting down? I can usually see the resp wave go up and down as I breathe while sitting down.

I have written up a technical report on the validation here: https://arxiv.org/abs/2510.27028 This validation is based on several datasets, which all have gold standard ground truth from contact PPG and RESP from chest straps and/or impedance pneumography (from ECG)

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