Short freeze when face detected

[Alek3tt]

When the face is detected there is short freeze of camera feed until the model is shown on face. This problem is also present in demo here:
https://hiukim.github.io/unity-webar-foundation/demo/tryon/

Is there a way to make the process of face detection async so it doesn't freeze camera feed?

[ideathingdev]

that would be great