rPPG chaos: a noisy signal's unexpected role

Earlier this week, I found myself staring at a noisy heart rate signal, wondering how it could possibly be useful. As the sole founder and engineer of EmoPulse, I've grown accustomed to dealing with imperfect data, but this particular signal seemed like a lost cause. And yet, as I delved deeper into the issue, I stumbled upon an unexpected insight: this noisy signal could become our anti-spoof primitive. The underlying lesson here is that sometimes, the things that seem like flaws or imperfectio