
Generative AI: Unreal Realities with Ilke Demir
Pondering AI
The Problem With Fake Detection
The way that we are extracting PPG signals is not differentiable. If you don't want to use the exact extraction of PPG signal, but you want to approximate it somehow, then you need huge data set which doesn't exist yet. For example, if you are just looking at gaze, gaze is just like two vectors that two rays, light rays that you are shooting from your eyes,. So, I'm not looking at her meanly by the way. But for now it's a it remains as a very hard problem that people will create deep face with nice with good quality PPG signals.
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