Google has just open sourced its PoseNet 2.0 pose-detection magic. Which suggests we might get a simple affordable “video to Poser/DAZ pose preset” software, in due course. Without having to stick day-glo markers over clothing and faces. I don’t know of any such thing currently, that’s markerless and sub $50 and works without an enormously expensive iPhone or similar kit.
Apparently Disney also has markerless motion-capture for faces that focuses on the jaw. It detects skin deformations around the jaw, as a proxy of jaw bone position.